Refrigerant Cycle Data: Thermophysical Properties of Refrigerants for Applications in Vapour-Compression Systems.

The aim of this booklet is to give the most important thermophysical property data for a number of different refrigerants with applications to vapour-compression systems in an easily accessible form. Tables are given for basic cycles at different evaporating and condensing temperatures. The tables also provide information on the pressure ratio, volumetric capacity and isentropic compression work. The coefficients of performance (COPs) of cycles with isentropic compression are given, as is the thermodynamic efficiency of each cycle (with the Carnot cycle used as reference). Moreover, the influence of modifying the basic cycle by subcooling of liquid before throttling and superheating the vapour before compression (internal as well as external) is illustrated. Data are provided for the following refrigerants: R-32, R-125, R-134a, R-152a, R-290 (propane), R-404A, R-407C, R-410A, R-507, R-508A, R-600a (isobutane), R-717 (ammonia), R-744 (carbon dioxide, including transcritical cycles and R-1270 (propylene).