Abstract
The space between rotor and stator plays a very important role in the design and performance of rotating machinery. The thickness of the gap can vary considerably depending on the size and operating conditions for the different types of rotating machines. Analysis the air velocity and temperature distribution over the air flow gap in stator and motor. Changing the design of rotor to develop turbulence in air flow gap. Compare the velocity and temperature distribution of proposed design with previous studies. The simulation results pinpoint also the periodic heat transfer pattern from the rotor surface and this provides useful information for the prediction of the temperature distribution inside the rotating electrical machine. The simulation results of case-1 show about 117°C temperature inside the rotor machine. Then increase the number of slot inside the rotor machine the total temperature of the rotor machine decreases up to 76°C. Due to low temperature total efficiency of the system increases. And also reduces the loss due to heat. The turbulence effect inside the rotor increase in third case. Due to turbulence effect the air cover large amount of area inside the rotor. So total temperature of the rotor casing decreases. In a system where volume is held constant, there is a direct relationship between Pressure and Temperature. For this case, when the pressure increases then the temperature also increases. When the pressure decreases, then the temperature decreases. So pressure in third case decrease upto1.26Pa and temperature 76 °C.
Highlights
The space between rotor and stator plays a very important role in the design and performance of rotating machinery
Wang et al [2] in this article, the Modular Consequent Pole (MCP) rotor is integrated into the Internal Permanent Magnet (IPM) machine with a broken slot to take advantage of the powerful flow focusing effect and reduce leakage flow
CFD results are used to closely analyze air flows and we propose a method based on these numerical results that can be used to determine the classic friction coefficient of the rotor skin
Summary
Berker Bilgin et al [1] this review provides a comprehensive overview of the latest analytical models and methods for multidisciplinary design of electric motors for various applications, including power and drive systems for electrified vehicles and thrusters.
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