Analysis of Oil Viscous Drag Loss of Deep-sea Motor Based on CFD Method
2022 IEEE 17th Conference on Industrial Electronics and Applications (ICIEA)2022pp. 1289–1293
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Abstract
Oil viscous drag loss needs to be taken into consideration in the design of deep-sea oil-filled motors. There are many factors affecting viscous drag loss and the analytical formula of oil viscous drag loss is not suitable for the calculation of turbulent flow field. Based on the above problems, a CFD model of the air gap flow field is established in this paper and the influence of air-gap thickness, speed of motor, viscosity of oil, and rotor eccentricity on oil viscous drag loss is analyzed. The results show that oil viscous drag loss is negatively correlated with air gap thickness, temperature and positively correlated with rotor eccentricity and motor speed.
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