In nature, fluids travel from a place of higher pressure to a place of lower pressure. The crankcase usually has a lower pressure than the evaporator because of the oil it contains. Refrigeration oil ...

You can check the refrigerant oil for acid, or you can check the refrigerant for the acid. Since a typical hermetic compressor does not have an oil drain, testing the refrigerant vapor is the only ...

ABSTRACT This paper presents a model analysis of oil effects on the distribution of two phase refrigerant in a parallel flow microchannel evaporator. A microchannel evaporator model developed and ...