Oil cooling Electric machine using multi-time scale CHT and Hybrid Multiphase

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Makoto Sato, Siemens PLM software Computational Dynamics K.K.

Abstract

In progress of electrification of vehicle, cooling method for driving motor is getting important design topic, recently, oil cooling is more considerable theme. However, at the stand point of CFD, oil cooling needs a lot of computational resource because it is solved by multiphase flow analysis and unsteady simulation.
This session introduces Simcenter STAR-CCM+ multiphase model property and utilization of multiphase transition and multi time scale CHT for oil cooling.

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