Journal
INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID
Volume 30, Issue 7, Pages 1254-1265Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ijrefrig.2007.02.006
Keywords
air conditioning; refrigeration; reciprocating compressor; hermetic compressor; modelling; efficacy; volumetric efficiency; performance; condensation; gas
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A new model for hermetic reciprocating compressors is presented. This model is able to predict compressor efficiency and volumetric efficiency in terms of a certain number of parameters (10) representing the main sources of losses inside the compressor. The model provides users with helpful information about the way in which the compressor is designed and working. A statistical fitting procedure based on the Monte Carlo method was developed for its adjustment. The model can predict compressor performance at most points with a maximum deviation of 3%. A possible gas condensation on cold spots inside the cylinder during the last part of the compression stroke was also evaluated. (C) 2007 Elsevier Ltd and IIR. All rights reserved.
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