Source of data: NIST Chemistry WebBook - accessed March 2007. Online Books & Manuals Thermodynamic Properties of R134a TetraFlouroEthane Calculation of thermodynamic state variables of Tetrafluorethan - R134a in saturation state, boiling curve. // -->, °C to °F or Celsius to Fahrenheit Calculator, °F to °C or Fahrenheit to Celsius Calculator, GD&T Training Geometric Dimensioning Tolerancing, psi to kPa, 6.89476 kPa = 1 psi (multiply psi by 6.89476), BTU/lbs to kJ/kg, 1 kJ/k = 0.429923 BTU/lbs ( multiple BTU/lbs by 0.429923 ), kJ / kg to Btu / lbs, 1 BTU/lbs = 2.326 kJ/kg ( divide kJ/kg by 2.326 ). Refrigerant R134a Properties 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 is one of the most common commercially used refrigerants, especially for automobile air conditioning. If you continue without changing your cookie settings, we assume that you consent to our use of cookies on this device. Liquide Liquide Vapeur Liquide Vapeur Liquide Vapeur Temperature Pression Densité Densité Enthalpie Enthalpie Entropie Entropie Refrigerant R134a or HFC-134a is a commercially available hydrofluorocarbon (HFC) refrigerant for use as a long-term replacement for R-12 in new equipment and for retrofitting medium temperature CFC-12 systems. 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. R134a Refrigerant. Enthalpy-Entropy Diagram. Home Understanding air conditioning gauges. Exergetic and thermodynamic comparison of R12 and R134a as vapour compression refrigeration working fluids. About R134a Tables Excel Add-In The R134a Tables Excel Add-In library calculates 23 thermodynamic properties of R134a (1,1,1,2-Tetrafluoroethane). it with R744 Air Conditioning - Air Conditioning systems - heating, cooling and dehumidification of indoor air for thermal comfort; Related Documents . Excel App. Note: The current refrigerant R134a has a Global Warming Potential (GWP) of 1300 with respect to CO2. We use cookies to give you the best experience on our website. Engineering Toolbox R134a has a Global R134a is also known as Tetrafluoroethane (CF3CH2F) from the family of HFC refrigerant. "All-in-one" Add-in for thermodynamics, which includes XSteam, R134a, R22. -->. Disclaimer Research and development for alternatives for the refrigerants are ongoing mainly in the United Related Topics . document.write(' ') International Journal of Refrigeration, 1993. .style29 {font-size: 12px; font-weight: bold; } Air Conditioning - Air Conditioning systems - heating, cooling and dehumidification of indoor air for thermal comfort; Related Documents . Engineering Forum Its chemical formula is CF3CH2F. 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. R-134a Thermodynamic Properties Table . The two work- Ambient temperature 35 C … Table Thermodynamique R 134a Données REFPROP Ver. Alike 3.0 United States License, Creative Commons Attribution-Noncommercial-Share i think i can do something like this , but instead of the equations i've created arrays with the thermodynamic properties ( for saturated r134a ) it takes temperature , and output all the values for this temperature and added a function for interpolation if the needed temperature is not listed with a range of ( -40 to 100 C ) , i can make one from the pressure table . - CF3CH2F, Critical Pressure: 4.059 MPa, Critical Temperature AED ALL ... R134a POE R410A POE R407C POE R1234yf POE clim auto R513A (XP10) POE HCFC HFC HFO clim auto R402A AB POE R408A AB POE TABLEAU DES FLUIDES DE REMPLACEMENT R 32 POE. Used for MAC, bus and train A/C, ORC, and medium-temperature stationary applications. Engineering Calculators PDF. Due to their far from negligible global warming potentials (GWPs), both refrigerants will be phased out in the near future. Saturated Refrigerant R-134a --Temperature Table Spec. Sat. Thermodynamic properties of R32 + R134a and R125 + R32 mixtures in and beyond the critical region* ... RI25; R134a: propri6t6 thermodynamique) Introduction Refrigerant mixtures such as R32 + R134a and R125 + R32 are of interest as candidates to replace ozone- depleting refrigerants scheduled to be phased out. Sat. A mathematical model was developed for this purpose and was verified by experimental data. Replacement in Mobile Air Conditioning (MAC) as well as bus and train A/C – Car manufacturers are replacing it with Solstice ® yf. }, Rita Mastrullo. Read Free R134a Pressure Guide Pressure (barA) Pressure (barg) Pressure (psig)-70 0.08 -0.93 Dioxide. Sat. ; if (document.getElementById("tester") != undefined) Engineering News h = Specific enthalpy ______________________________________________________________________________________, Engineering Thermodynamics by Israel Urieli is licensed under a Table 1 summarizes characteristic properties of 1,1,1,2-tetrafluoroethane (R-134a) and 1,1,1,3,3-pentafluoropropane (R-245fa). Thermodynamic Properties of R134a TetraFlouroEthane - CF3CH2F. 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. Rita Mastrullo. Use our Dry Superheated Steam Region steam table calculator to help you plan and design your steam system.