R134a Properties Table

016022 3302. 0 kJ/kg-K (entropy) at 0°C. The table is sortable by each of the following refrigerant properties (scroll right or reduce magnification to view more properties): R-134a/227ea (52. Free Gadgets. Input variables that can be used are: The library is fully integrated in Excel, and available functions can be used in the same way as any other. R134a 1000 ±25 ND-8 PAG46 100-140. Item R134a R152a R1234yf R1234ze Chemical formula C2H2F4 C2H4F2 C3H2F4 C3H2F4 Molecular weight (kg/kmol) 102 66 114 114 ASHRAE safety classification A1 A2 A2L A2L ODP 0 0 0 0 100-year GWP 1430 140 4 6 Critical temperature (k) 374. The following property tables are included: Table A-1 — Saturation Properties of Ammonia — IP Units using REFPROP (Version. NIST is an agency of the U. R-134a replaces the CFC R-12 and in few years will replace the HCFC R-22. diagram Plate and shell heat exchanger Pressure limiting txv Properties of ideal. Opens in a new window Opens an external website Opens an external website in a new window This website stores data such as cookies to enable essential site functionality, as well as marketing, personalization, and analytics. Since the work of all of these laboratories was entirely voluntary, it has not proved possible for all of them to carry out all of the originally desired measurements. 8 and kg kJ h2 2777. R-134a and mineral oil will not mix. , NIST Standard Reference. Technical bulletin. 8, PC Model, R-134a: Superheated Vapor Table thermofluids. R134a - TetraFlouroEthane Saturation Properties - Temperature Table (20°C - 101. So if somebody recharges an R-12 system with R-134a and does not add a compatible lubricant, the compressor will soon fail. Equations have been developed, based on the Modified Benedict-Webb-Rubin (MBWR) equation of state, which represent the data with accuracy and consistency throughout the entire range of temperature, pressure, and density. Table 1 - Physical properties of R1234ze(E) [2] [4]. 0 Carbon Dioxide Properties Gadget Version 1. April 19th, 2019 - Forane ® 134a R 134a is a non ozone depleting HFC with properties very similar to R 12 It can be used both as a pure refrigerant and as a component in refrigerant blends R 134a is used in applications including automotive air conditioning chillers medium temperature commercial refrigeration refrigeration appliances. The data fit and calculation of constants for HFC-134a were. Hit the little "open folder" box on the right side. Table 1 reports the thermodynamic, environmental and security properties of such refrigerant, compared to R134a. [ all data ] Basu and Wilson, 1989. Significant improvement in computation speed was observed without sacrificing accuracy. The specific enthalpies for the R134a are found using the properties tables, h R134a,in = (1 – x R134a,in)h R134,in,f + x R134a,inh R134,in,g = 110. Physical properties. Physical Properties of Freon™ 134a Physical Property Unit Freon™ 134a Chemical Name — Ethane, 1,1,1,2-Tetrafluoro Chemical Formula — CH 2 FCF 3 Molecular Weight g/mol 102. 8 and kg kJ h2 2777. Surprisingly, it has been found that the compositions of the invention deliver acceptable properties for use as alternatives to existing refrigerants such as R-134a, R-152a, R-1234yf, R-22, R-410A, R-407A, R-407B, R-407C, R-507 and R-404a, particularly R-134a, while reducing GWP and without resulting in high flammability hazard. 8, PC Model, R-134a: Superheated Vapor Table thermofluids. For full table with Specific Volume, Heat Content Enthalpy Liquid and Vapor - rotate the screen!. R134a 1000 ±25 ND-8 PAG46 100-140. Thermodynamic properties of refrigerant R-134a, also known as 1,1,1,2-tetrafluoroethane, R-134a, Freon 134a, Forane 134a, Genetron 134a, Florasol 134a, Suva 134a or HFC-134a and norflurane (INN). , Lemmon, E. The small scale heat transfer is a relatively new research area and has been in favor since the end of 1970’s. diagram Plate and shell heat exchanger Pressure limiting txv Properties of ideal. The SI tables are based on datum conditions of saturated liquid with 200 kJ/kg (enthalpy) and 1. % of A1203 nanoparticles in R-134a refrig- erant with the temperature range of 283—308 K. Table 1 - Physical properties of R1234ze(E) [2] [4]. 20 and, at p sat,in = 5 bar (abs) (T sat = 15. EES 3 kg vapor and 1 kg liquid R-134a is contained in a rigid tank at 20 C. Critical Pressure: 4. 3) and a click on the Calculate button evaluates the states partially or fully (including phase composition) if. Refrigerant (R-134a) Product Information. Free Gadgets. The JANAF table reference for enthalpy is based on the elements having a specific molar enthalpy value of 0 at 298 K (537 R). Table 1 – Table of Available Substances and their Identifiers. Refrigerant (R-134a) Product Information. Input variables that can be used are: The library is fully integrated in Excel, and available functions can be used in the same way as any other. The thermophysical and transport properties given in the attached tables are. Surprisingly, it has been found that the compositions of the invention deliver acceptable properties for use as alternatives to existing refrigerants such as R-134a, R-152a, R-1234yf, R-22, R-410A, R-407A, R-407B, R-407C, R-507 and R-404a, particularly R-134a, while reducing GWP and without resulting in high flammability hazard. Calculation of thermodynamic state variables of Tetrafluorethan - R134a in saturation state, boiling curve. 1944, two independent intensive properties are known that together fix state 3. Accurate thermophysical properties are available for several fluids. R-134a has the formula CH2FCF3. 0) developed by the National Institute of Standards and Technology (NIST) for 1,1,1,2-tetrafluoroethane. Re: Real Gas Properties. In CTF, fluid properties are divided into three regimes: saturated liquid/vapor mixture, sub-cooled liquid, and super-heated vapor properties. 013 bar) °C °F –26. R744 (CO 2) Region of Operationa l Interest Region of Operational Interest R134a R744 (CO 2) R134a R744 Critical Point 214 F 88 F Low Pressure 10-50 psi 110 - 500 psi High Pressure 100-250 psi 750-2000 psi Other CO 2 Properties: High throttling losses Solid CO 2 (Dry Ice) at -80F (70 psi) Transcritical Cycle (typical). Technical bulletin. 0 Carbon Dioxide Properties Gadget Version 1. Superheated R-134a Thermodynamic Properties Tables for Pressures 1600 kPa, 2000 kPa, 3000 kPa, 4000 kPa, 6000 kPa, and 10000 kPa. Property Tables 4-11C A perfectly fitting pot and its lid often stick after cooking as a result of the vacuum created inside as the temperature and thus the corresponding saturation pressure inside the pan drops. refrigerant properties. R134A temperature/pressure relationship: see the table above; R134A alternative name: 1,1,1,2-Tetrafluroethane or CH 2 FCF 3. Thermodynamics Heat Transfer. Table 1 - Physical properties of R1234ze(E) [2] [4]. Analysis We take argon as the system. pressure level than R134a can only be "for-mulated" as blends. Physical Properties General physical properties for Freon™ 407C and Freon™ 410A are shown in Table 3. Table A-1E Molar mass, gas constant, and critical-point properties Table A-2E Ideal-gas specific heats of various common gases Table A-3E Properties of common liquids, solids, and foods Table A-4E Saturated water—Temperature table Table A-5E Saturated water—Pressure table Table A-6E Superheated water Table A-7E Compressed liquid water Table A-8E Saturated ice-water vapor. Thermodynamische Eigenschaften Umweltvertraglicher Kaltemittel / Thermodynamic Properties of Environmentally Acceptable Refrigerants: Zustandsgleichungen Und Tafeln Fur Ammoniak, R 22, R 134a, R 152a Und R 123 / Equations of State and Tables for Ammoni. K m3/kg kJ/kg kJ/kg kJ/kg. 33 kJ/kg h R134a,out = 263. Properties The properties of argon are R = 0. The JANAF table reference for enthalpy is based on the elements having a specific molar enthalpy value of 0 at 298 K (537 R). MACs did a field survey of older vehicles with R-12 A/C systems a number of years ago, and here is what they found: 57% had R-12 and R-134a mixed together (up 10% over last year). Refrigerant (R-134a) Product Information. volume (m^3/kg) enthalpy (kJ/kg) entropy (kJ/kg. Because R134a is an HFC, not a CFC (stay with me for a minute), it does not have the ozone-destroying properties of R12. Input variables that can be used are: The library is fully integrated in Excel, and available functions can be used in the same way as any other. 1,1,1,2-Tetrafluoroethane (also known as norflurane (), R-134a, Freon 134a, Forane 134a, Genetron 134a, Green Gas, Florasol 134a, Suva 134a, or HFC-134a) is a hydrofluorocarbon (HFC) and haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane) but with insignificant ozone depletion potential and a lower 100-year global warming potential (1,430, compared to. R134a - TetraFlouroEthane Saturation Properties - Pressure Table (60 kPa - 3 MPa) Pressure: Temp: volume (m^3/kg) enthalpy (kJ/kg) entropy (kJ/kg. R-134a Properties - Imperial Units. diagram Plate and shell heat exchanger Pressure limiting txv Properties of ideal. Opens in a new window Opens an external website Opens an external website in a new window This website stores data such as cookies to enable essential site functionality, as well as marketing, personalization, and analytics. 9 Freezing Point °C °F –103. Table 1 - Physical properties of R1234ze(E) [2] [4]. + Tube&Fin cond. Open the materials selector. Physical Properties Physical properties of Freon™ 134a are given in Table 2 and Figures 2 through 8. 55 kJ/kg where x R134a,in = 0. Physical Properties Physical properties of Freon™ 134a are given in Table 2 and Figures 2 through 8. R-134a is the most common refrigerant found in automobiles today. The NIST Chemistry WebBook was developed in part with funds from the Systems Integration for Manufacturing Applications (SIMA) program at NIST. Table 1 - Physical properties of R1234ze(E) [2] [4]. This simple fix recharges the R-134a (freon), stop leaks & gets your car A/C cold again. diagram Plate and shell heat exchanger Pressure limiting txv Properties of ideal. The following property tables are included: Table A-1 — Saturation Properties of Ammonia — IP Units using REFPROP (Version. 06 MPa (Tsat = -37. refrigerant properties. Thermodynamics Heat Transfer. 7 MPa) Superheated Vapor Properties - (0. The SI tables are based on datum conditions of saturated liquid with 200 kJ/kg (enthalpy) and 1. Refrigerant (R-134a) Product Information. The results that were obtained are summarized in Table I and are compared relative to the IUPAC recommendations for the transport properties of R134a [2]. You will find the steam tables as well as the thermodynamic tables for two common refrigerants, ammonia and R-134a, in the Ch2 1st Aid Kit. Firstly, saturated liquid and vapor property tables were obtained at various. R134a 1000 ±25 ND-8 PAG46 100-140. Thermodynamic Properties of R134a TetraFlouroEthane - CF3CH2F. The MBWR equation of state was used to calculate the tables of thermodynamic properties. K m3/kg kJ/kg kJ/kg kJ/kg. RE: R22/R134A conversion. Input variables that can be used are: The library is fully integrated in Excel, and available functions can be used in the same way as any other. S Department of Commerce, 2021). 24 MPa) Superheated Vapor Properties - (0. All the R-134a properties for this work were obtained from the NIST R-134a database (U. New tables of the thermodynamic properties of Freon™ 410A refrigerant (ASHRAE designation: R-410A [50/50]), have been developed and are presented here. 4 R32 is a chlorine-free, ozone-safe fluorocarbon whose boiling point is -52°C. Since the work of all of these laboratories was entirely voluntary, it has not proved possible for all of them to carry out all of the originally desired measurements. RE: R22/R134A conversion. R-134a Thermodynamic Properties Table. Superheated R-134a Thermodynamic Properties Tables for Pressures 1600 kPa, 2000 kPa, 3000 kPa, 4000 kPa, 6000 kPa, and 10000 kPa. Also kg kJ u2 2582. Critical Pressure: 4. The NIST Chemistry WebBook was developed in part with funds from the Systems Integration for Manufacturing Applications (SIMA) program at NIST. 03 Denso comp. Saturated R-134a Thermodynamic Properties Table. Firstly, saturated liquid and vapor property tables were obtained at various. Physical Properties of Freon™ 134a Physical Property Unit Freon™ 134a Chemical Name — Ethane, 1,1,1,2-Tetrafluoro Chemical Formula — CH 2 FCF 3 Molecular Weight g/mol 102. Appendix B - Home | Cambridge University Press. 06°C) Saturation Properties - Pressure Table (60 kPa - 3 MPa) Superheated Vapor Properties - (0. 8, PC Model, R-134a: Superheated Vapor Table thermofluids. Agency for R134a [3, 4]. 9572: 100-26. R744 (CO 2) Region of Operationa l Interest Region of Operational Interest R134a R744 (CO 2) R134a R744 Critical Point 214 F 88 F Low Pressure 10-50 psi 110 - 500 psi High Pressure 100-250 psi 750-2000 psi Other CO 2 Properties: High throttling losses Solid CO 2 (Dry Ice) at -80F (70 psi) Transcritical Cycle (typical). 358 kJ/kg, h R134a,in,g = 259. Whenever a chemical symbol notation (e. , An experimental study for PVT properties of CFC alternative refrigerant 1,1 ,1,2-tetrafluoroethane (R-134a), ASHRAE Trans. R-125/143a, R-134a/143a, and R-134a/152a were similar enough that one function could be developed that described the properties of all these systems. between table values. Equations have been developed, based on the Martin-Hou equation of state, which represent the data with accuracy. 20 and, at p sat,in = 5 bar (abs) (T sat = 15. net > Daemons > Basics > Tables > R-134a SI Units English Units Superheated refrigerant-134a deg-C m3/kg kJ/kg kJ/kg kJ/kg. Is R134a being replaced?. All the other properties at 27 kPa must be at the same difference. So if somebody recharges an R-12 system with R-134a and does not add a compatible lubricant, the compressor will soon fail. Temperature and pressure chart for refrigerants R22, R410A, R12, R134A, R401A, R409A, R502, R404A, R507A, R408A and R402A. All the R-134a properties for this work were obtained from the NIST R-134a database (U. R134a - TetraFlouroEthane Saturation Properties - Pressure Table (Source of table data: NIST Chemistry WebBook Accessed: Jan 2008) deg C 60. NIST is an agency of the U. Physical properties. 18434/T42S31 Search or use the periodic table interface. In CTF, fluid properties are divided into three regimes: saturated liquid/vapor mixture, sub-cooled liquid, and super-heated vapor properties. 0) developed by the National Institute of Standards and Technology (NIST) for 1,1,1,2-tetrafluoroethane. Thermodynamics Heat Transfer. RE: R22/R134A conversion. 24 MPa) Superheated Vapor Properties - (0. New tables of the thermodynamic properties of HFC-134a have been developed and are presented here. Some of the properties of R1234ze in comparison to R134a are listed in the Table 1. Calculate online thermodynamic and transport properties of carbon dioxide based on industrial formulation (formulated in Helmholtz energy) for advanced technical applications. Accurate thermophysical properties are available for several fluids. It was chosen as the preferred equation of state because it provided the most accurate fit of the thermodynamic data over the entire range of temperatures and pressures presented in these tables. Analysis We take argon as the system. External C functions are used for faster spline evaluation and inversion. Since T3 is given and kg m v v 3 2 3 0. R134a - TetraFlouroEthane Saturation Properties - Pressure Table (60 kPa - 3 MPa) Pressure. Consequently a double interpolation is. The JANAF table reference for enthalpy is based on the elements having a specific molar enthalpy value of 0 at 298 K (537 R). 2081kJ/kg⋅K and cv = 0. R-134a has the formula CH2FCF3. Input variables that can be used are: The library is fully integrated in Excel, and available functions can be used in the same way as any other. K) kPa °C: vf: vg: hf: hfg: hg: sf: sfg: sg: 60-36. These tables were generated using EES with the substance R134a which implements the fundamental equation of state developed by R. Thermophysical properties of A1203/R-134a nanorefrigerant were calculated using. Refrigerant (R-134a) Product Information. These two tables include rows for 200 o C and 250 o C, but not for 244 o C. See a complete HFC R-134A pressure/temperature chart at HFC R-134A PRESSURE TEMPERATURE CHART - source cited below. Refrigerant R11 is chlorofluorocarbon (CFC). R134A temperature/pressure relationship: see the table above; R134A alternative name: 1,1,1,2-Tetrafluroethane or CH 2 FCF 3. Refrigerants - Physical Properties - Physical properties of refrigerants - molecular weight, boiling, freezing and critical points Refrigerants - Temperature and Pressure Charts - Temperature and pressure chart for refrigerants R22, R410A, R12, R134A, R401A, R409A, R502, R404A, R507A, R408A and R402A. R-134a Properties - Imperial Units. 1,1,1,2-Tetrafluoroethane, R-134a; Genetron 134a; Suva 134a; HFC-134a; is a haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane), but with less ozone depletion potential. Also kg kJ u2 2582. It allows 11 different combinations of input variables to be used for calculations. Firstly, saturated liquid and vapor property tables were obtained at various. Baehr, An International Standard Formulation for the Thermodynamic Properties of 1,1,1,2-Tetrafluoroethane (HFC-134a) for Temperatures from 170 K to 455 K and Pressures up to 70 MPa, J. Because R134a is an HFC, not a CFC (stay with me for a minute), it does not have the ozone-destroying properties of R12. 33 kJ/kg h R134a,out = 263. Thermodynamics Heat Transfer. Magnesium, in relatively small quantities, is an important zinc alloying metal as it improves the grain structure and prevents inter-granular corrosion typically caused by impurities. is a haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane), but with less ozone depletion potential. New tables of the thermodynamic properties of Freon™ 410A refrigerant (ASHRAE designation: R-410A [50/50]), have been developed and are presented here. pressure level than R134a can only be "for-mulated" as blends. NIST is an agency of the U. , N2, CO2, CH4) is used, the substance is modeled as an ideal gas and the enthalpy and entropy values are based on JANAF table references. An SBTL property model of R134a is first validated against a highly accurate Helmholtz energy equation of state (EOS) model. Here is the rubber compatibility chart that rates all popular rubber materials that comes into contact with various chemicals. R-134a Thermodynamic Properties Table. All the R-134a properties for this work were obtained from the NIST R-134a database (U. K) kPa °C: vf: vg: hf: hfg: hg: sf: sfg: sg: 60-36. R-134a and mineral oil will not mix. Surprisingly, it has been found that the compositions of the invention deliver acceptable properties for use as alternatives to existing refrigerants such as R-134a, R-152a, R-1234yf, R-22, R-410A, R-407A, R-407B, R-407C, R-507 and R-404a, particularly R-134a, while reducing GWP and without resulting in high flammability hazard. In CTF, fluid properties are divided into three regimes: saturated liquid/vapor mixture, sub-cooled liquid, and super-heated vapor properties. It allows 11 different combinations of input variables to be used for calculations. Surprisingly, it has been found that the compositions of the invention deliver acceptable properties for use as alternatives to existing refrigerants such as R-134a, R-152a, R-1234yf, R-22, R-410A, R-407A, R-407B, R-407C, R-507 and R-404a, particularly R-134a, while reducing GWP and without resulting in high flammability hazard. The thermodynamic tables for steam are always called the steam tables even though they include the properties of liquid water as well. Significant improvement in computation speed was observed without sacrificing accuracy. Blends of reduced GWP include in addi-tion to R134a, R1234yf and R1234ze(E) pri-marily the refrigerants R32, R125 and R152a. When you compare the properties of 134a and R22, the problems will become obvious. Copper-zinc alloys, also known as brass, have enhanced properties such as tensile strength, hardness, wear resistance, and creep. Notes to the table above Other Properties of R134A Refrigerant. Thermophysical Properties of Fluid Systems. Temperature and pressure chart for refrigerants R22, R410A, R12, R134A, R401A, R409A, R502, R404A, R507A, R408A and R402A. Fluid Comparison - R134a vs. New tables of the thermodynamic properties of Freon™ 410A refrigerant (ASHRAE designation: R-410A [50/50]), have been developed and are presented here. This thesis investigates the refrigerant (R-134a) flow in a minitube experimentally. R744 (CO 2) Region of Operationa l Interest Region of Operational Interest R134a R744 (CO 2) R134a R744 Critical Point 214 F 88 F Low Pressure 10-50 psi 110 - 500 psi High Pressure 100-250 psi 750-2000 psi Other CO 2 Properties: High throttling losses Solid CO 2 (Dry Ice) at -80F (70 psi) Transcritical Cycle (typical). Rather than try to guess the properties of refrigerants, you should get pressure/enthalpy diagrams and tables from the manufacturer or ASHRAE volumes. 7, PC Model, R-134a: Saturation Temperature Table thermofluids. The JANAF table reference for enthalpy is based on the elements having a specific molar enthalpy value of 0 at 298 K (537 R). Thermodynamic properties of refrigerant R-134a, also known as 1,1,1,2-tetrafluoroethane, R-134a, Freon 134a, Forane 134a, Genetron 134a, Florasol 134a, Suva 134a or HFC-134a and norflurane (INN). R134a - TetraFlouroEthane Saturation Properties - Pressure Table (Source of table data: NIST Chemistry WebBook Accessed: Jan 2008) deg C 60. HFC-134a (R134a) Properties Gadget. Critical Pressure: 4. Since T3 is given and kg m v v 3 2 3 0. The properties of A1203 nanoparticles and R-134a refrigerant are shown in Table 1 and Table 2, respectively. In CTF, fluid properties are divided into three regimes: saturated liquid/vapor mixture, sub-cooled liquid, and super-heated vapor properties. Analysis We take argon as the system. An easy way of removing the lid is to reheat the food. 016022 3302. 06 MPa (Tsat = -37. Firstly, saturated liquid and vapor property tables were obtained at various. 2081kJ/kg⋅K and cv = 0. Here is the rubber compatibility chart that rates all popular rubber materials that comes into contact with various chemicals. + Tube&Fin cond. Some of the properties of R1234ze in comparison to R134a are listed in the Table 1. These tables were generated using EES with the substance R134a which implements the fundamental equation of state developed by R. [ all data ] Basu and Wilson, 1989. Similarly to R134a, R1234ze(E) is a medium pressure refrigerant with a slightly higher critical and boiling temperatures and lower critical pressure. RE: R22/R134A conversion. S Department of Commerce, 2021). Thermodynamics Heat Transfer. Technical bulletin. Properties The properties of argon are R = 0. Calculation of thermodynamic state variables of Tetrafluorethan - R134a in saturation state, boiling curve. Details of refrigerants properties. The SI tables are based on datum conditions of saturated liquid with 200 kJ/kg (enthalpy) and 1. Because R134a is an HFC, not a CFC (stay with me for a minute), it does not have the ozone-destroying properties of R12. The results that were obtained are summarized in Table I and are compared relative to the IUPAC recommendations for the transport properties of R134a [2]. Thermophysical properties of A1203/R-134a nanorefrigerant were calculated using. All the R-134a properties for this work were obtained from the NIST R-134a database (U. Table 1 - Physical properties of R1234ze(E) [2] [4]. Free Gadgets. 55 kJ/kg where x R134a,in = 0. R1234yf has a significant potential to be a drop-in replacement for R134a in the near future. 5 kJ/kg since at p out = 5 bar (abs. When you compare the properties of 134a and R22, the problems will become obvious. Additionally, experimental data for the ternary mixtures R-32/125/134a and R-125/134a/143a showed that no additional parameters would be required to model these multi-component mixtures. Physical Properties Physical properties of Freon™ 134a are given in Table 2 and Figures 2 through 8. Firstly, saturated liquid and vapor property tables were obtained at various. Thermodynamics Heat Transfer. The JANAF table reference for enthalpy is based on the elements having a specific molar enthalpy value of 0 at 298 K (537 R). , An experimental study for PVT properties of CFC alternative refrigerant 1,1 ,1,2-tetrafluoroethane (R-134a), ASHRAE Trans. Significant improvement in computation speed was observed without sacrificing accuracy. HFO1234ze exhibits zero ODP and an extremely low global warming potential which. R32 is a component of R410a, a blend refrigerant widely used in developed coun-tries as a main alternative to HCfC-22, an ozone depleting refrigerant. 1944, two independent intensive properties are known that together fix state 3. Refrigerant R1234yf has a low global warming potential of 4, compared to 1430 for R134a, and has thermodynamic properties similar to R134a, making it a desirable choice for future automotive refrigerants. Note that R134a is also sometimes called “Freon,” even labeled as such on the can, so it’s best to be clear and use the names R12 and R134a. 358 kJ/kg, h R134a,in,g = 259. Freon™ 134a where these properties are critical. pressure level than R134a can only be "for-mulated" as blends. Consequently a double interpolation is. net > Daemons > Basics > Tables > R-134a SI Units English Units Superheated refrigerant-134a deg-C m3/kg kJ/kg kJ/kg kJ/kg. R-134a has the formula CH2FCF3. The small scale heat transfer is a relatively new research area and has been in favor since the end of 1970’s. 1944, two independent intensive properties are known that together fix state 3. April 19th, 2019 - Forane ® 134a R 134a is a non ozone depleting HFC with properties very similar to R 12 It can be used both as a pure refrigerant and as a component in refrigerant blends R 134a is used in applications including automotive air conditioning chillers medium temperature commercial refrigeration refrigeration appliances. S Department of Commerce, 2021). All the R-134a properties for this work were obtained from the NIST R-134a database (U. 7 MPa) Superheated Vapor Properties - (0. * Surface tension values are only available along the saturation curve. 1,1,1,2-Tetrafluoroethane (also known as norflurane (), R-134a, Freon 134a, Forane 134a, Genetron 134a, Green Gas, Florasol 134a, Suva 134a, or HFC-134a) is a hydrofluorocarbon (HFC) and haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane) but with insignificant ozone depletion potential and a lower 100-year global warming potential (1,430, compared to. Ask your support person if you need a pressure and temperature range for r134a that the RGP table does not cover. Details of refrigerants properties. between table values. 0 Ammonia Properties Gadget Version 1. The properties of A1203 nanoparticles and R-134a refrigerant are shown in Table 1 and Table 2, respectively. Because R134a is an HFC, not a CFC (stay with me for a minute), it does not have the ozone-destroying properties of R12. 5 kJ/kg since at p out = 5 bar (abs. Steam Tables Gadget Version 2. NIST-JANAF Thermochemical Tables NIST Standard Reference Database 13 Last Update to Data Content: 1998 DOI: 10. An SBTL property model of R134a is first validated against a highly accurate Helmholtz energy equation of state (EOS) model. Thermodynamic properties of refrigerant R-134a, also known as 1,1,1,2-tetrafluoroethane, R-134a, Freon 134a, Forane 134a, Genetron 134a, Florasol 134a, Suva 134a or HFC-134a and norflurane (INN). Calculate online thermodynamic and transport properties of carbon dioxide based on industrial formulation (formulated in Helmholtz energy) for advanced technical applications. R134a Property Tables: Saturation Properties - Temperature Table (-40°C - 20°C) Saturation Properties - Temperature Table (20°C - 101. R134a 675 ±10 SP-A2 PAG46yf 110 Z3 (E36) 10. RE: R22/R134A conversion. Saturated R-134a Thermodynamic Properties Table. A subset of the available data, shown in Table 1 with an asterisk, was used the detennination of coefficients to represent the thermodynamic surlace. In this refrigerant (H2FC-CF3 ) property table, a state is visually presented (see the examples below) as a collection of properties (such as p, T, v, h, s etc. R1234yf has a significant potential to be a drop-in replacement for R134a in the near future. Opens in a new window Opens an external website Opens an external website in a new window This website stores data such as cookies to enable essential site functionality, as well as marketing, personalization, and analytics. is a haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane), but with less ozone depletion potential. Similarly to R134a, R1234ze(E) is a medium pressure refrigerant with a slightly higher critical and boiling temperatures and lower critical pressure. Surprisingly, it has been found that the compositions of the invention deliver acceptable properties for use as alternatives to existing refrigerants such as R-134a, R-152a, R-1234yf, R-22, R-410A, R-407A, R-407B, R-407C, R-507 and R-404a, particularly R-134a, while reducing GWP and without resulting in high flammability hazard. All the other properties at 27 kPa must be at the same difference. 55 kJ/kg where x R134a,in = 0. An SBTL property model of R134a is first validated against a highly accurate Helmholtz energy equation of state (EOS) model. Known properties are entered in any order and in any units (see Fig. Appendix B - Home | Cambridge University Press. Thermodynamische Eigenschaften Umweltvertraglicher Kaltemittel / Thermodynamic Properties of Environmentally Acceptable Refrigerants: Zustandsgleichungen Und Tafeln Fur Ammoniak, R 22, R 134a, R 152a Und R 123 / Equations of State and Tables for Ammoni. This thesis investigates the refrigerant (R-134a) flow in a minitube experimentally. K) kPa °C: vf: vg: hf: hfg: hg: sf: sfg: sg: 60-36. Steam Tables Gadget Version 2. For full table with Specific Volume, Heat Content Enthalpy Liquid and Vapor - rotate the screen!. Among all the refrigerants commonly used for the refrigeration and air conditioning applications, R11 has the highest potential to cause the depletion of the ozone layer from the upper layers of the atmosphere and the greenhouse effect. between table values. Known properties are entered in any order and in any units (see Fig. Note that R134a is also sometimes called “Freon,” even labeled as such on the can, so it’s best to be clear and use the names R12 and R134a. This simple fix recharges the R-134a (freon), stop leaks & gets your car A/C cold again. It has been in use since the early 1990’s and now, in 2019, we are beginning to see it’s popularity wane with the rise of the new HFO refrigerant known as R-1234yf. Thermodynamic Properties Tables and Charts • Thermodynamic Properties of Steam--- 2 • Thermodynamic Properties of Refrigerant R134a--- 15 • Thermodynamic Properties of Carbon Dioxide R744--- 25 Ideal Gas Process Derivation • Specific Heat Capacities of an Ideal Gas--- 37 • The Adiabatic Process of an Ideal Gas--- 39 Ideal Gas Tables • Properties of Various Ideal Gases (at 300 K)--- 40. The calculator is an effective tool for finding a small number of property data that are used in a hand calculation. 9572: 100-26. NIST-JANAF Thermochemical Tables NIST Standard Reference Database 13 Last Update to Data Content: 1998 DOI: 10. R-134a Properties - Imperial Units. refrigerant properties. The user need only enter new changed data for a new calculation. This makes the SI tables for ammonia consistent with the halocarbon standard for SI tables. The properties of A1203 nanoparticles and R-134a refrigerant are shown in Table 1 and Table 2, respectively. Welcome to our Rubber Chemical Resistance Chart. R134a: R507: R410A: valve calculation Function of evaporator Halide torch P. It was chosen as the preferred equation of state because it provided the most accurate fit of the thermodynamic data over the entire range of temperatures and pressures presented in these tables. Physical Properties of Freon™ 134a Physical Property Unit Freon™ 134a Chemical Name — Ethane, 1,1,1,2-Tetrafluoro Chemical Formula — CH 2 FCF 3 Molecular Weight g/mol 102. These tables are based on extensive experimental measurements. 016022 3302. R-11 is now. Department of Commerce. You will find the steam tables as well as the thermodynamic tables for two common refrigerants, ammonia and R-134a, in the Ch2 1st Aid Kit. The SI tables are based on datum conditions of saturated liquid with 200 kJ/kg (enthalpy) and 1. Rather than try to guess the properties of refrigerants, you should get pressure/enthalpy diagrams and tables from the manufacturer or ASHRAE volumes. Table 1 lists the experimental pressure-volume-temperature (PVT) data sets for R134a. RE: R22/R134A conversion. New tables of the thermodynamic properties of HFC-134a have been developed and are presented here. NIST is an agency of the U. Also kg kJ u2 2582. Ask your support person if you need a pressure and temperature range for r134a that the RGP table does not cover. S Department of Commerce, 2021). R134A temperature/pressure relationship: see the table above; R134A alternative name: 1,1,1,2-Tetrafluroethane or CH 2 FCF 3. Table 1 reports the thermodynamic, environmental and security properties of such refrigerant, compared to R134a. Thermodynamics Heat Transfer. In CTF, fluid properties are divided into three regimes: saturated liquid/vapor mixture, sub-cooled liquid, and super-heated vapor properties. Input variables that can be used are: The library is fully integrated in Excel, and available functions can be used in the same way as any other. 9 Critical Temperature °C °F 101. R-134a is the most common refrigerant found in automobiles today. Firstly, saturated liquid and vapor property tables were obtained at various. Customer support for NIST Standard Reference Data products. In CTF, fluid properties are divided into three regimes: saturated liquid/vapor mixture, sub-cooled liquid, and super-heated vapor properties. Refrigerant (R-134a) Product Information. S Department of Commerce, 2021). Thermodynamics Heat Transfer. These tables were generated using EES with the substance R134a which implements the fundamental equation of state developed by R. Ask your support person if you need a pressure and temperature range for r134a that the RGP table does not cover. net > Daemons > Basics > Tables > R-134a SI Units English Units. Thermodynamic Properties (Saturation Table) 14/15 Contents. Equations have been developed, based on the Modified Benedict-Webb-Rubin (MBWR) equation of state, which represent the data with accuracy and consistency throughout the entire range of temperature, pressure, and density. All the other properties at 27 kPa must be at the same difference. When the temperature rises to boiling level, the pressure rises to. SATURATED WATER TABLES (Temperature)† Temp Press Specific Volume Enthalpy Internal Energy Entropy °F psia ν f ν g h f h fg h g u f u g s f s g 32. Among all the refrigerants commonly used for the refrigeration and air conditioning applications, R11 has the highest potential to cause the depletion of the ozone layer from the upper layers of the atmosphere and the greenhouse effect. 20 and, at p sat,in = 5 bar (abs) (T sat = 15. R-134a Properties - Imperial Units. R134A temperature/pressure relationship: see the table above; R134A alternative name: 1,1,1,2-Tetrafluroethane or CH 2 FCF 3. Refrigerant R1234yf has a low global warming potential of 4, compared to 1430 for R134a, and has thermodynamic properties similar to R134a, making it a desirable choice for future automotive refrigerants. Property Tables 4-11C A perfectly fitting pot and its lid often stick after cooking as a result of the vacuum created inside as the temperature and thus the corresponding saturation pressure inside the pan drops. Agency for R134a [3, 4]. 3122 kJ/kg⋅K (Table A-2a). Here is the rubber compatibility chart that rates all popular rubber materials that comes into contact with various chemicals. Known properties are entered in any order and in any units (see Fig. R134a - TetraFlouroEthane Saturation Properties - Pressure Table (Source of table data: NIST Chemistry WebBook Accessed: Jan 2008) deg C 60. Critical Pressure: 4. The NIST Chemistry WebBook was developed in part with funds from the Systems Integration for Manufacturing Applications (SIMA) program at NIST. 15- HVCC comp. Table 1 lists the experimental pressure-volume-temperature (PVT) data sets for R134a. All the R-134a properties for this work were obtained from the NIST R-134a database (U. R-134a Thermodynamic Properties Table. 7, PC Model, R-134a: Saturation Temperature Table thermofluids. between table values. Created Date: 4/7/2005 9:09:31 AM. Similarly to R134a, R1234ze(E) is a medium pressure refrigerant with a slightly higher critical and boiling temperatures and lower critical pressure. Details of refrigerants properties. RE: R22/R134A conversion. R-134a Properties - Imperial Units. 9519: 120-22. To find u3, first solve for the quality: (Eq1). Agency for R134a [3, 4]. Where: v = Specific volume u = Specific internal energy h = Specific enthalpy s = Specific entropy. Table A–17 Ideal-gas properties of air Table A–18 Ideal-gas properties of nitrogen, N 2 Tetrafluoroethane (R-134a) CF 3CH 2F 102. Surprisingly, it has been found that the compositions of the invention deliver acceptable properties for use as alternatives to existing refrigerants such as R-134a, R-152a, R-1234yf, R-22, R-410A, R-407A, R-407B, R-407C, R-507 and R-404a, particularly R-134a, while reducing GWP and without resulting in high flammability hazard. 55 kJ/kg where x R134a,in = 0. Some of the properties of R1234ze in comparison to R134a are listed in the Table 1. R134a 1000 ±25 ND-8 PAG46 100-140. Fluid Comparison - R134a vs. R-134a has the formula CH2FCF3. The energy balance for this system can be expressed as in,out (21) potential, etc. R134a 675 ±10 SP-A2 PAG46yf 110 Z3 (E36) 10. Physical Properties General physical properties for Freon™ 407C and Freon™ 410A are shown in Table 3. These tables are based on extensive experimental measurements. x: N/A - Superheated: The Superheated Vapor Table includes tables for pressure of 200 and 500 kPa, but not 226 kPa. 06 MPa (Tsat = -37. These data include the following: Please follow the steps below to select the data required. In CTF, fluid properties are divided into three regimes: saturated liquid/vapor mixture, sub-cooled liquid, and super-heated vapor properties. Thermodynamic Properties of R134a TetraFlouroEthane - CF3CH2F. 06°C) Temp: Pressure: volume (m^3/kg) enthalpy (kJ/kg) entropy (kJ/kg. So if somebody recharges an R-12 system with R-134a and does not add a compatible lubricant, the compressor will soon fail. The calculator is an effective tool for finding a small number of property data that are used in a hand calculation. R-134a has the formula CH2FCF3. 0 Ammonia Properties Gadget Version 1. x: N/A - Superheated: The Superheated Vapor Table includes tables for pressure of 200 and 500 kPa, but not 226 kPa. Physical properties. 8 and kg kJ h2 2777. NIST-JANAF Thermochemical Tables NIST Standard Reference Database 13 Last Update to Data Content: 1998 DOI: 10. R134a - TetraFlouroEthane Saturation Properties - Temperature Table (20°C - 101. specific volume at state 2 is the saturated vapour value at 1 MPa (Table A-5): kg m v 3 2 0. R-134a is the most common refrigerant found in automobiles today. , Lemmon, E. 15- HVCC comp. + Tube&Fin cond. Refrigerant (R-134a) Product Information. Analysis We take argon as the system. S Department of Commerce, 2021). When you compare the properties of 134a and R22, the problems will become obvious. energies Change in internal, kinetic, system. External C functions are used for faster spline evaluation and inversion. Physical Properties of Freon™ 134a Physical Property Unit Freon™ 134a Chemical Name — Ethane, 1,1,1,2-Tetrafluoro Chemical Formula — CH 2 FCF 3 Molecular Weight g/mol 102. Additionally, experimental data for the ternary mixtures R-32/125/134a and R-125/134a/143a showed that no additional parameters would be required to model these multi-component mixtures. It allows 11 different combinations of input variables to be used for calculations. These tables were generated using EES with the substance R134a which implements the fundamental equation of state developed by R. Customer support for NIST Standard Reference Data products. R134A temperature/pressure relationship: see the table above; R134A alternative name: 1,1,1,2-Tetrafluroethane or CH 2 FCF 3. Table A-1 Molar mass, gas constant, and critical-point properties Table A-2 Ideal-gas specific heats of various common gases Table A-3 Properties of common liquids, solids, and foods Table A-4 Saturated water—Temperature table Table A-5 Saturated water—Pressure table Table A-6 Superheated water Table A-7 Compressed liquid water Table A-8 Saturated ice-water vapor. K) kPa °C: vf: vg: hf: hfg: hg: sf: sfg: sg: 60-36. Also kg kJ u2 2582. 33 kJ/kg h R134a,out = 263. R-134a is the most common refrigerant found in automobiles today. The small scale heat transfer is a relatively new research area and has been in favor since the end of 1970’s. 06°C) Temp: Pressure: volume (m^3/kg) enthalpy (kJ/kg) entropy (kJ/kg. In CTF, fluid properties are divided into three regimes: saturated liquid/vapor mixture, sub-cooled liquid, and super-heated vapor properties. willard3 (Mechanical) 18 Aug 07 11:50. , N2, CO2, CH4) is used, the substance is modeled as an ideal gas and the enthalpy and entropy values are based on JANAF table references. This is a closed system since no mass crosses the boundaries of the system. Additionally, experimental data for the ternary mixtures R-32/125/134a and R-125/134a/143a showed that no additional parameters would be required to model these multi-component mixtures. S Department of Commerce, 2021). MACs did a field survey of older vehicles with R-12 A/C systems a number of years ago, and here is what they found: 57% had R-12 and R-134a mixed together (up 10% over last year). Thermodynamics Heat Transfer. Since the work of all of these laboratories was entirely voluntary, it has not proved possible for all of them to carry out all of the originally desired measurements. The properties of A1203 nanoparticles and R-134a refrigerant are shown in Table 1 and Table 2, respectively. , Lemmon, E. A wide variety of tables - in a scrollable, spreadsheet style format - may be calculated, including saturation properties (with temperature, pressure, density, enthalpy, entropy, composition, or quality as the independent variable) and tables at constant temperature, pressure, density, volume, enthalpy, or entropy (with temperature, pressure. An easy way of removing the lid is to reheat the food. x: N/A - Superheated: The Superheated Vapor Table includes tables for pressure of 200 and 500 kPa, but not 226 kPa. The following property tables are included: Table A-1 — Saturation Properties of Ammonia — IP Units using REFPROP (Version. These tables are based on experimental data from the database at the National Institute of Standards and Technology (NIST). Created Date: 4/7/2005 9:09:31 AM. Input variables that can be used are: The library is fully integrated in Excel, and available functions can be used in the same way as any other. R134a Property Tables: Saturation Properties - Temperature Table (-40°C - 20°C). The SI tables are based on datum conditions of saturated liquid with 200 kJ/kg (enthalpy) and 1. This information is based on values calculated using the NIST REFPROP Database (McLinden, M. That being said, there are still millions of cars on the road that […]. Thermodynamics Heat Transfer. External C functions are used for faster spline evaluation and inversion. Thermodynamische Eigenschaften Umweltvertraglicher Kaltemittel / Thermodynamic Properties of Environmentally Acceptable Refrigerants: Zustandsgleichungen Und Tafeln Fur Ammoniak, R 22, R 134a, R 152a Und R 123 / Equations of State and Tables for Ammoni. Firstly, saturated liquid and vapor property tables were obtained at various. The energy balance for this system can be expressed as in,out (21) potential, etc. pressure level than R134a can only be "for-mulated" as blends. R-125/143a, R-134a/143a, and R-134a/152a were similar enough that one function could be developed that described the properties of all these systems. between table values. R134A temperature/pressure relationship: see the table above; R134A alternative name: 1,1,1,2-Tetrafluroethane or CH 2 FCF 3. R1234yf has a significant potential to be a drop-in replacement for R134a in the near future. Department of Commerce. So if somebody recharges an R-12 system with R-134a and does not add a compatible lubricant, the compressor will soon fail. 3122 kJ/kg⋅K (Table A-2a). 9572: 100-26. All the R-134a properties for this work were obtained from the NIST R-134a database (U. 0) developed by the National Institute of Standards and Technology (NIST) for 1,1,1,2-tetrafluoroethane. The thermophysical and transport properties given in the attached tables are. Firstly, saturated liquid and vapor property tables were obtained at various. Calculation of thermodynamic state variables of Tetrafluorethan - R134a in saturation state, boiling curve. Tillner-Roth and H. Notes to the table above Other Properties of R134A Refrigerant. MACs did a field survey of older vehicles with R-12 A/C systems a number of years ago, and here is what they found: 57% had R-12 and R-134a mixed together (up 10% over last year). 24 MPa) Superheated Vapor Properties - (0. 06°C) Saturation Properties - Pressure Table (60 kPa - 3 MPa) Superheated Vapor Properties - (0. Refrigerant R11 is chlorofluorocarbon (CFC). When you compare the properties of 134a and R22, the problems will become obvious. 06°C) Temp: Pressure: volume (m^3/kg) enthalpy (kJ/kg) entropy (kJ/kg. Department of Commerce. willard3 (Mechanical) 18 Aug 07 11:50. Table 2 shows theoretical performance of Freon™ 407C, Freon™ 410A, and HCFC-22. * Surface tension values are only available along the saturation curve. Property Tables 4-11C A perfectly fitting pot and its lid often stick after cooking as a result of the vacuum created inside as the temperature and thus the corresponding saturation pressure inside the pan drops. Refrigerants - Physical Properties - Physical properties of refrigerants - molecular weight, boiling, freezing and critical points Refrigerants - Temperature and Pressure Charts - Temperature and pressure chart for refrigerants R22, R410A, R12, R134A, R401A, R409A, R502, R404A, R507A, R408A and R402A. R134a - TetraFlouroEthane Saturation Properties - Temperature Table (20°C - 101. R134A : Introduction 1,1,1,2-tetrafluoroethane, R-134a, Forane 134a, Genetron 134a, Florasol 134a, Suva 134a or HFC-134a, also known as norflurane (INN), is a haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane) but with insignificant ozone depletion potential. This thesis investigates the refrigerant (R-134a) flow in a minitube experimentally. is a haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane), but with less ozone depletion potential. Thermodynamische Eigenschaften Umweltvertraglicher Kaltemittel / Thermodynamic Properties of Environmentally Acceptable Refrigerants: Zustandsgleichungen Und Tafeln Fur Ammoniak, R 22, R 134a, R 152a Und R 123 / Equations of State and Tables for Ammoni. 9 Freezing Point °C °F –103. R-11 is now. Among all the refrigerants commonly used for the refrigeration and air conditioning applications, R11 has the highest potential to cause the depletion of the ozone layer from the upper layers of the atmosphere and the greenhouse effect. 9519: 120-22. To find u3, first solve for the quality: (Eq1). R-134a Thermodynamic Properties Table. Tillner-Roth and H. You will find the steam tables as well as the thermodynamic tables for two common refrigerants, ammonia and R-134a, in the Ch2 1st Aid Kit. RE: Thermodynamic properties of R134a IRstuff (Aerospace) 24 Jan 20 16:23 Unless it was under pressure to start with, since a refill canister would need to have liquefied freon under pressure, and that pressure needs to be high enough to overcome whatever pressure is in the system being refilled. The small scale heat transfer is a relatively new research area and has been in favor since the end of 1970’s. Refrigerant (R-134a) Product Information. All the R-134a properties for this work were obtained from the NIST R-134a database (U. Re: Real Gas Properties. 013 bar) °C °F –26. NIST-JANAF Thermochemical Tables NIST Standard Reference Database 13 Last Update to Data Content: 1998 DOI: 10. Ask your support person if you need a pressure and temperature range for r134a that the RGP table does not cover. 0 Carbon Dioxide Properties Gadget Version 1. For full table with Specific Volume, Heat Content Enthalpy Liquid and Vapor - rotate the screen!. Known properties are entered in any order and in any units (see Fig. 03 Boiling Point at 1 atm (101. Hit the little "open folder" box on the right side. , Lemmon, E. The small scale heat transfer is a relatively new research area and has been in favor since the end of 1970’s. R32 is a component of R410a, a blend refrigerant widely used in developed coun-tries as a main alternative to HCfC-22, an ozone depleting refrigerant. 9 Critical Temperature °C °F 101. RE: R22/R134A conversion. 15- HVCC comp. 1,1,1,2-Tetrafluoroethane, R-134a; Genetron 134a; Suva 134a; HFC-134a; is a haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane), but with less ozone depletion potential. K m3/kg kJ/kg kJ/kg kJ/kg. Firstly, saturated liquid and vapor property tables were obtained at various. The following property tables are included: Table A-1 — Saturation Properties of Ammonia — IP Units using REFPROP (Version. 9645: 80-31. Saturated R-134a Thermodynamic Properties Table. R134A temperature/pressure relationship: see the table above; R134A alternative name: 1,1,1,2-Tetrafluroethane or CH 2 FCF 3. Physical Properties Physical properties of Freon™ 134a are given in Table 2 and Figures 2 through 8. Thermodynamic Properties of R134a TetraFlouroEthane - CF3CH2F. specific volume at state 2 is the saturated vapour value at 1 MPa (Table A-5): kg m v 3 2 0. Equations have been developed, based on the Martin-Hou equation of state, which represent the data with accuracy. An easy way of removing the lid is to reheat the food. Welcome to our Rubber Chemical Resistance Chart. So if somebody recharges an R-12 system with R-134a and does not add a compatible lubricant, the compressor will soon fail. The specific enthalpies for the R134a are found using the properties tables, h R134a,in = (1 – x R134a,in)h R134,in,f + x R134a,inh R134,in,g = 110. The calculator is an effective tool for finding a small number of property data that are used in a hand calculation. is a haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane), but with less ozone depletion potential. 9572: 100-26. S Department of Commerce, 2021). Significant improvement in computation speed was observed without sacrificing accuracy. R-11 is now. 2081kJ/kg⋅K and cv = 0. Table A–17 Ideal-gas properties of air Table A–18 Ideal-gas properties of nitrogen, N 2 Tetrafluoroethane (R-134a) CF 3CH 2F 102. Equations have been developed, based on the Modified Benedict-Webb-Rubin (MBWR) equation of state, which represent the data with accuracy and consistency throughout the entire range of temperature, pressure, and density. * Surface tension values are only available along the saturation curve. % of A1203 nanoparticles in R-134a refrig- erant with the temperature range of 283—308 K. R-134a Properties - Imperial Units. These two tables include rows for 200 o C and 250 o C, but not for 244 o C. Re: Real Gas Properties. Equations have been developed, based on the Martin-Hou equation of state, which represent the data with accuracy. Table A-1E Molar mass, gas constant, and critical-point properties Table A-2E Ideal-gas specific heats of various common gases Table A-3E Properties of common liquids, solids, and foods Table A-4E Saturated water—Temperature table Table A-5E Saturated water—Pressure table Table A-6E Superheated water Table A-7E Compressed liquid water Table A-8E Saturated ice-water vapor. 8, PC Model, R-134a: Superheated Vapor Table thermofluids. See Chemours technical bulletin for additional information on aerosol applications of HFC-134a. R-134a Properties - Imperial Units. pressure level than R134a can only be "for-mulated" as blends. 7 MPa) Superheated Vapor Properties - (0. Refrigerant (R-134a) Product Information. Thermodynamic Properties of R134a TetraFlouroEthane - CF3CH2F. The user need only enter new changed data for a new calculation. The properties of A1203 nanoparticles and R-134a refrigerant are shown in Table 1 and Table 2, respectively. 9 Freezing Point °C °F –103. Steam Tables Gadget Version 2. + Tube&Fin cond. For full table with Specific Volume, Heat Content Enthalpy Liquid and Vapor - rotate the screen!. The results that were obtained are summarized in Table I and are compared relative to the IUPAC recommendations for the transport properties of R134a [2]. RE: R22/R134A conversion. 059 MPa, Critical Temperature 101. These tables are based on experimental data from the database at the National Institute of Standards and Technology (NIST). That being said, there are still millions of cars on the road that […]. Created Date: 4/7/2005 9:09:31 AM. The energy balance for this system can be expressed as in,out (21) potential, etc. See a complete HFC R-134A pressure/temperature chart at HFC R-134A PRESSURE TEMPERATURE CHART - source cited below. Appendix B - Home | Cambridge University Press. Notes to the table above Other Properties of R134A Refrigerant. net > Daemons > Basics > Tables > R-134a SI Units English Units Superheated refrigerant-134a deg-C m3/kg kJ/kg kJ/kg kJ/kg. 03 Denso comp. These tables were generated using EES with the substance R134a which implements the fundamental equation of state developed by R. R1234yf has a significant potential to be a drop-in replacement for R134a in the near future. All the other properties at 27 kPa must be at the same difference. 03 Boiling Point at 1 atm (101. Known properties are entered in any order and in any units (see Fig. 016020 2445. [ all data ] Basu and Wilson, 1989. 0 Ammonia Properties Gadget Version 1. The properties of A1203 nanoparticles and R-134a refrigerant are shown in Table 1 and Table 2, respectively. 735 °C), h R134a,in,f = 73. between table values. 9 Freezing Point °C °F –103. r134a is one of the materials in that file. Customer support for NIST Standard Reference Data products.