Abstract

In this paper, we discuss use of complex finite element (FE) and computational fluid dynamics (CFD) analyses of flow phenomena in positive displacement compressors to improve simpler but faster and more comprehensive thermodynamic simulations. Three examples are reviewed: improvement in modeling the effects of screw compressor volume ratio choice; development of an improved model for the leakage through flank gaps in scroll compressors; and addition of an accurate pulsation model to a reciprocating compressor simulation.

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