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Refrigerant Tables and Charts Including Air Conditioning Data. Properties of Saturated Liquid and Saturated Vapour. R12, Dichlorodifluoromethane, CCl2F2 (Contd.) Enthalpy, kJ/kg. Entropy, kJ/kg K. Sp Heat, kJ/kg K. Temp, T Pressure Volume, vg. Liquid. Vapour. Liquid. Vapour Liquid Vapour. °C. P, bar m3/kg hf hg sf sg cl.
Tables of the thermodynamic properties of Freon™ 22. (R-22) have been developed and are presented here. This information is based on values calculated using the NIST. REFPROP Database (McLinden, M.O., Klein, S.A., Lemmon,. E.W., and Peskin, A.P., NIST Standard Reference Database. 23, NIST thermodynamic
THERMODYNAMIC PROPERTIES. A quantity which is either an attribute of an entire system or is a function of position which is continuous and does not vary rapidly over microscopic distances, except possibly for abrupt changes at boundaries between phases of the system; examples are temperature, pressure, volume
Explain the importance of refrigerant selection. 2. Differentiate between primary and secondary refrigerants. 3. List the criteria used in selecting refrigerants. 4. List important thermodynamic and environmental properties influencing refrigerant selection. 5. Write the chemical formula of a refrigerant from its number. 6.
Thermodynamic Properties of. DuPont™ Suva® 407C Refrigerant. SI Units. 3 i="1". 3 i="1". 3 j="1". Equations. The Peng-Robinson-Stryjek-Vera (PRSV) equation of state was used to calculate the tables of thermodynamic proper- ties. It was chosen as the preferred equation of state because it provided an accurate fit of the
Alkylbenzene. Refrigeration systems, commercial refrigeration, air conditioning, chillers. R-23. 100%. HFC. 0. Polyolester. Very low temperature refrigeration. Properties similar to R-13; can also retrofit R-503. R-123. 100%. HCFC. 0. Mineral Oil or. Alkylbenzene. Low pressure centrifugal chillers. Can retrofit R-11 equipment
refrigerant blends R-404A, R-407C, R-410A, and R-507 conform to. ISO/DIS Draft Standard 17584, Refrigerant Properties. Reference states used for most refrigerants correspond to the inter- national convention of 200 kJ/kg for enthalpy and 1 kJ/(kg·K) for entropy, both for saturated liquid at 0°C. Exceptions are water and.
The effects of thermo-physical properties and derived parameters of refrigerants on system performance comparison are reviewed here. The properties reviewed are density, viscosity, thermal conductivity, molar heat capacity, critical temperatures, specific refrigerating effect and molecular weight. It was noted that to obtain a
Tables of the thermodynamic properties of DuPont™ Freon®. 12 (R-12) have been developed and are presented here. This information is based on values calculated using the NIST. REFPROP Database (McLinden, M.O., Klein, S.A., Lemmon,. E.W., and Peskin, A.P., NIST Standard Reference Database. 23, NIST
New tables of the thermodynamic properties of HFC-134a have been developed and are presented here. These tables are based on experimental data from the database at the. National Institute of Standards and Technology (NIST). Equations have been developed, based on the Modified. Benedict-Webb-Rubin (MBWR)
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