Simulation of the Temperature of a Shielding Induction Motor of the Nuclear Main Pump under Different Turbulence Models

Author:

Ai Likun12,Lu Yiping13,Han Jiade3,Suo Wenxu4

Affiliation:

1. School of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin 150080, China

2. School of Mechanical and Electronic Engineering, Qiqihar University, Qiqihar 161006, China

3. School of Mechanical and Power Engineering, Harbin University of Science and Technology, Harbin 150080, China

4. Harbin Electric and Power Equipment Co., Ltd., Harbin 150040, China

Abstract

Thermal design and the choice of turbulence models are crucial for motors. In this project, the geometrical model of the vertical shielding induction motor for a small nuclear main pump was established by SolidWorks software and the finite volume method was adopted to investigate the temperature of the motor, especially the temperatures of bearings lubricated water. To make the numerical simulation of flow and heat transfer in the rotating clearance of the shielding induction motor more accurate, the effects of four types of different two equation turbulence models on the temperature field of the shielding induction motor were studied. The results showed that different choices of turbulence models had little effect on the temperature of the winding insulation but influenced the temperature of the lower guide bearing lubricating water and the secondary cooling water outlet. The SST k-ω model showed the lowest relative error result of the temperature of the winding insulation and the bearing lubricating water in the primary loop system of the shielding induction motor. The temperature of the clearance water, the spiral tube water and the spiral groove water increased approximately linearly along the axial direction.

Funder

Heilongjiang Education Department special Project in Funda-mental Business

Publisher

MDPI AG

Subject

Energy (miscellaneous),Energy Engineering and Power Technology,Renewable Energy, Sustainability and the Environment,Electrical and Electronic Engineering,Control and Optimization,Engineering (miscellaneous),Building and Construction

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