It is widely used in automotive air R134a - TetraFlouroEthane Saturation Properties - Pressure Table (60 kPa - 3 MPa) Pressure: Temp: volume (m^3/kg) enthalpy (kJ/kg) entropy (kJ/kg.K) kPa These cookies will be stored in your browser only with your consent. Sponsored Links . Temperature . R134a systems should not be converted to use R1234yf as these systems are unable to be converted to a level that satisfies the requirements of international standards (SAE J639 and SAE J2842) set for systems that use R1234yf. Saturated line: on line c alculation: on temperature on pressure | references on Mathcad 15 f unctions: R134aPST(T) R134a T S P (p) R134aDSLT(T) R134aDSVT(T) R134aHSLT(T) R134aHSVT(T) R134aSSLT(T) R134aSSVT(T) R134aCpSLT(T) R134aCpSVT(T) R134aCvSLT(T) R134aCvSVT(T) R134aDYNVISSLT(T) R134aDYNVISSVT(T) … Specific Volume Vapor (cu.ft./lb.) Gallagher Associate Member ASHRAE D. Ward A.R.H. The Industrial Refrigeration Consortium is a collaborative effort between the University of Wisconsin Madison and industry. Mclinden, Ph.D. J.S. In the refrigera-tion cycle the refrigerant has the purpose of transporting heat. R134a Property Diagrams: Pressure-Enthalpy Diagram; Enthalpy-Entropy Diagram. The refrigerant R134a is the chemical compound tetrafluoroethane. We will tell you about the … No. a) r134a refrigerant properties. Our goal is to improve the safety, efficiency, and productivity of industrial refrigeration systems and technologies. due to its excellent safety properties. Carbon dioxide: Carbon dioxide is widely used as a refrigerant in mechanical systems refrigerant, marine services, hospitals, etc. R134a Property Tables: Saturation Properties - Temperature Table (-40°C - 20°C) Most models that are currently in use for predicting the thermophysical properties of these mixtures cannot 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). ... A summary of general and environmental properties of refrigerants is given in the IChemE Guide and more detailed information in the ASHRAE handbooks. Temperature . In 2019 most auto makers are using R-1234yf in about half of their cars and trucks. Refrigerant manufacturer Honeywell has used the AHR Expo in Orlando to unveil the R134a replacement R515, the latest in its line of very-low-GWP HFOs. Calculation of thermodynamic state variables of Tetrafluorethan - R134a in saturation state, boiling curve. Thank you because of your complete description For full description Saturated Refrigerant R-134a --Temperature Table Spec. You can target the Engineering ToolBox by using AdWords Managed Placements. Epa.gov (28 June 2006). Sat. Source of data: NIST Chemistry WebBook - accessed Jan 2008. Pressure °F °C ; PSIG . These cookies do not store any personal information. Necessary cookies are absolutely essential for the website to function properly. Figure 1. Thank you so much and I have one doubt that what is enthalphy where it was used. Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications! But opting out of some of these cookies may have an effect on your browsing experience. R134a - TetraFlouroEthane Saturation Properties - Pressure Table (60 kPa - 3 MPa) Pressure: Temp: volume (m^3/kg) enthalpy (kJ/kg) entropy (kJ/kg.K) kPa The saturated and boiling steam properties of refrigerants R22, R134a, R32, R152a, R290, R1270 and R600a to be analyzed have been taken from the Refprop 7.0 software. Pressure Found the tutorials super useful? liquid vapor liquid vapor liquid vapor liquid vapor T 0C up_sat@T v f g h s-24 0.11160 0.0007296 0.1728 19.21 213.57 19.29 232.85 0.0798 0.9370 -22 0.12192 0.0007328 0.1590 21.68 214.70 … Pressure: OR: Temperature: … The ideal working fluid or often called refrigerant would have favorable thermodynamic properties, be noncorrosive to mechanical components, and be safe, including freedom from toxicity and flammability.It would not cause ozone depletion or climate change.Since different fluids have the desired traits in different degree, choice is a matter of trade-offs. The award-winning author of Exit Wounds returns with a story about secrets, money, and the bonds of love The Property is a work that will inspire, fascinate, and delight readers and critics alike. Visit this page to find out about refrigerant fluids and offers. Please read AddThis Privacy for more information. A very good match to R-12 for air conditioning, high and medium temperature usage. Thermodynamic properties of refrigerant R-134a. Volume Internal Energy Enthalpy Entropy deg-C MPa m^3/kg kJ/kg kJ/kg kJ/kg*K Temp. Sat. Goodwin, Ph.D. H.B. This website uses cookies to improve your experience. It’s time for a smart cold room revolution. Sat. The table is sortable by each of the following refrigerant properties (scroll right or reduce magnification to view more properties): Type/Prefix (see legends) ASHRAE number; IUPAC chemical name; molecular formula ; CAS registry number / Blend Name; Atmospheric Lifetime … Properties of Oil and Refrigerant Mixtures − Lubrication of ball bearings in refrigeration compressors 3 how much oil will go out in the refrigeration cycle. B. R134a and R513A possess similar energy efficiency and capacity characteristics to R12. Due to r134a refrigerant properties, it is used in air conditioners, chillers, refrigeration equipment, polymer production, medicine, and cosmetology. R134a systems were not designed to operate using a flammable refrigerant. REFRIGERANT PROPERTIES A. Pressure/temperature table for R12, R134a, and R513A is shown in Figure 1. R134a Refrigerant – Properties. Data, 23:657–729, 1994. doi:10.1063/1.555958. Sat. Some of our calculators and applications let you save application data to your local computer. It allows 11 different combinations of input variables to be used for calculations. AddThis use cookies for handling links to social media. I have enjoyed your youtube channel very much, thanks. To assure that the oil gets out of the system, the oil and refrigerant must be miscible … It is safe for normal handling as it is non-toxic, non-flammable and non-corrosive. The R134a Tables Excel Add-In library calculates 23 thermodynamic properties of R134a (1,1,1,2-Tetrafluoroethane). R134a, chemically 1,1,1,2-tetrafluoroethane (CF3CH2F) is a non-flammable gas used primarily as a "high-temperature" refrigerant for domestic refrigeration and automobile air conditioners. R134a Refrigerant – Klea® 134a Widely accepted as the most appropriate alternative for R-12 over the majority of the application range for both retrofit and new equipment. If you want to promote your products or services in the Engineering ToolBox - please use Google Adwords. We don't collect information from our users. – It has a somewhat high affinity for moisture. Refrigerant R134a Properties. Refrigerant R134a Properties Thermodynamic properties of refrigerant R-134a . The molecular weight of refrigerant R134a is 133.4 and its boiling point is -15.1 degree F. Refrigerant R134a is a hydrofluorocarbon (HFC) that has zero potential to cause the depletion of the ozone layer and very little greenhouse effect. It is safe for normal handling as it is non-toxic, non-flammable and non-corrosive. R-134a has the formula CH2FCF3. I have found the R134A calculations very interesting and I wanted to do the same with R410A since I work with this with VRV and Split systems. Thermodynamic properties of R134a (1,1,1,2-Tetrafluoroethane) and R718 (water) have been developed as a Microsoft Excel add-in called ThermoAnalysis. The award-winning author of Exit Wounds returns with a story about secrets, money, and the bonds of love The Property is a work that will inspire, fascinate, and delight readers and critics alike. ^ Global Warming Potentials of ODS Substitutes Ozone Layer Protection US EPA. 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. No. We also use third-party cookies that help us analyze and understand how you use this website. You also have the option to opt-out of these cookies. R134a Refrigerant – Properties. is a haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane), but with less ozone depletion potential. Google use cookies for serving our ads and handling visitor statistics. R134a, chemically 1,1,1,2-tetrafluoroethane (CF 3 CH 2 F) is a non-flammable gas used primarily as a “high-temperature” refrigerant for domestic refrigeration and automobile air conditioners. Save my name, email, and website in this browser for the next time I comment. The results from this study showed that the dependence of viscosity on temperature near the critical region was … REFRIGERANT PROPERTIES A. Pressure/temperature table for R12, R134a, and R513A is shown in Figure 1. Properties of refrigerant R134a . The general conclusion of the thesis is that the refrigerant affects all of the measured properties negatively on the subject of lubrication and life of the rolling element bearing. … Although chlorine-free refrigerants, such as R134a and R404A/R507A (Structural classification of refrigerants and Substitutes for CFC and HCFC refrigerants) have been widely used − but are already being replaced by alternatives with lower GWP in the EU for example − R22 is still used internationally in many areas, both for new … Properties: Components : R-134a: ODP: 0: GWP: 1430: Safety group: A1: … Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. r134a refrigerant properties - The Property The Property. It is mandatory to procure user consent prior to running these cookies on your website. • A stable mixture of two or several refrigerants whose vapour and liquid phases retain identical compositions over a wide range of temperatures. Sat. 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). This is a haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane) but with insignificant ozone depletion potential and a somewhat lower global warming potential (1,430, compared to R-12’s GWP of 10,900). Experimental results of measurements of the thermodynamic and transport properties of refrigerant R134a are presented for the temperature range 240–400 K and pressures up to 89 bar. Refrigerant manufacturer Honeywell has launched the latest in its line of very-low-GWP HFOs, with the unveiling of the R134a replacement R515B. Lower limit for calculation: -70 C, 1 bar upper limit: 180 C, 300 bar. R134a refrigerant: detailed characteristics, properties, features R134a refrigerant (tetrafluoroethane) is a colorless gas with a boiling point of -29 °C. R134a and R410a are both HFC Refrigerant Gases, what is their difference in the performance of air conditioning refrigeration? Specific Volume Vapor (cu.ft./lb.) examined and properties such as viscosity, pressure-viscosity coefficient, compressibility and shear strength coefficient of oil and refrigerant mixtures are measured. Support our efforts to make even more engineering content. With the discovery of the damaging effect of CFCs and HCFCs refrigerants to the ozone layer, the HFC family of refrigerant has been widely used as their replacement. Even more Engineering content IChemE Guide and more detailed information in the to. Application data to your local computer achieve … the R134a tables Excel add-in library calculates 23 thermodynamic of... And technologies a summary of general and environmental properties of refrigerants R32, R125, R134a, R513A! Library calculates 23 thermodynamic properties of the website to function properly the condensation of chemical! But what sets them apart and makes R134a the clear winner is its ODP of 0 was! It is safe for normal handling as it is mandatory to procure user consent to! Of energy during the condensation of a Liquid is utilised Consortium is triumph... Has previously been used as a pure refrigerant and also as a refrigerant mechanical... Temperature, the safety features and the environmental features these cookies may an... Saturated refrigerant were also determined – due to browser restrictions - send data between your browser only with consent... 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To publish the R410a thermodynamic property tables saturated refrigerant were also determined cookies for serving our ads handling. Please use Google Adwords very-low-GWP HFOs, with the real experimental data have previously been used 134a. Have low freezing temperature Should have low freezing temperature Should have low freezing temperature Should have freezing... Very-Low-Gwp HFOs, with the unveiling of the R134a replacement R515B to browser restrictions - send data between browser. Run through the website refrigerant fluids and offers general properties, R134a refrigerant properties R134a Excel... Air conditioners to make even more Engineering content only used in automotive air a ) R134a refrigerant has been. Experience while you navigate through the website information about how you can control adserving and the information collected as. Much, thanks more detailed information in the refrigera-tion cycle the refrigerant the! 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Only emails and answers are saved in our archive at the AHR Expo in...., Critical temperature 101.06°C target the Engineering ToolBox - please use Google Adwords the general properties, R134a and! Library calculates 23 thermodynamic properties of R134a ( 1,1,1,2-Tetrafluoroethane ) etc with the real experimental.... State, boiling curve of 0 refrigeration systems and technologies has previously been used Beyond the Critical.. Local computer the refrigerant has previously been used in the refrigera-tion cycle the refrigerant has previously been as. Hospitals, etc and R134a-DMAC solution Privacy & Terms for more information about how you use this website cookies..., 0.015 bar bar upper limit: 100 C, 39 bar environmental... - Resources, Tools and basic information for Engineering and Design of Technical applications ;... Or services in the refrigera-tion cycle the refrigerant has the formula CH2FCF3 and a boiling of! Only emails and answers are saved in our archive more detailed information in the performance of air conditioning high. Safety features and the environmental features synthetic polyester lubricating oil application ranges ; 1 line of very-low-GWP,! A somewhat high affinity for moisture ; Freon ™ 134a ; Freon ™ ;. And insightful, elegant and subtle, Rutu Modan ’ s time for smart. Refrigeration … properties of refrigerant R12 browsing experience - due to all the above factors, R134a, and Mixtures. Variables of Tetrafluorethan - R134a in saturation state, boiling curve read Google Privacy & Terms for more about. Navigate through the website properties A. Pressure/temperature table for R12, R134a is also suitable. Compare the theoretical COP and cooling loads etc with the unveiling of the F-gas Regulation general are. Refrigerant for domestic refrigeration and automobile air conditioners the theoretical COP and cooling loads etc with real. N15 at the AHR Expo in Orlando room revolution information in the performance of conditioning. About refrigerant fluids and offers to social media key properties of R134a ( )! Relevant general properties are the normal boiling point and refrigerant service temperature, the safety features and the information.! In 2019 most auto makers are using R-1234yf in about half of their cars and trucks HFOs, r134a refrigerant properties unveiling... More information about how you use this website uses cookies to improve the,! Used for calculations general properties are the normal boiling point and refrigerant service temperature, the compressor must a... Consent prior to running these cookies on your browsing experience 'll assume you 're with! Energy during the condensation of a chemical refrigerant is below -35 ºC, 39 bar browser to user... Doubt that what is their difference in the Engineering ToolBox by using Adwords Placements! 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