Abstract
The relevance of the work is due to the need to select an effective cooling system for a small-sized electric motor. The aim of the work is to determine the efficiency of various structures and liquid cooling systems using numerical experiments, to determine the required operating mode for the given heat generation conditions of the electric motor, to select the required refrigerant and the geometry of the cooling jacket channel. The following research methods were applied: numerical modeling of the process of a complex three-dimensional non-isothermal coolant flow using the finite element method and the Ansys software package. As a result, a mathematical model of a non-isothermal flow was developed in a three-dimensional formulation; the rational geometry of the cooling jacket of the electric motor is proposed and substantiated; the effectiveness of the use of various refrigerants has been evaluated; determined the technological dependences of the efficiency of the cooling system.
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