Stefan Posch, Johann Hopfgartner, Erwin Berger, Bernhard Zuber, Lukas Dür, Stefan Stangl, Raimund Almbauer
Abstract: A numerical model to predict the temperature field in a hermetic reciprocating compressor for household refrigeration appliances is presented in this work. The model combines a high resolution three-dimensional heat conduction formulation of the compressor's solid parts, a three-dimensional CFD (computational fluid dynamics) approach for the gas line domain and lumped formulations of the shell gas and the lubrication oil. Heat transfer coefficients are determined by applying CFD to the gas line side…
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