SOLVED: Using p-h diagram for R134a, consider a multi-pressure refrigeration system shown in Fig. using R12 fluid. Calculate the system COP. (Other exercises use R134a and S refrigerant):Working:Condenser 35°CExpansion valveEvaporator R-20°CCompressor 2Evaporator R-10°CCompressorFig: Schematic of problem 3
SOLVED: Using p-h diagram for R134a, consider a multi-pressure r…
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