NDLI: Thermal analysis of high speed motor based on flow field calculation considering tooth-slots effects

Content Provider	IEEE Xplore Digital Library
Author	Liyi Li Zhiyin Sun Xuzhen Huang Jiwei Cao
Copyright Year	2011
Description	Author affiliation: Institute of Electromagnetic and Electronic Technology, Harbin Institute of Technology, China (Liyi Li; Zhiyin Sun; Xuzhen Huang; Jiwei Cao)
Abstract	The existing flow analysis in air gap of high speed motor commonly neglects Tooth-slots effects. The influence of whirlpools induced by the slots and teeth on flow field and heat transfer of high speed motor is investigated in this paper. According to the theory of fluid mechanics, the solved region and boundary conditions of fluid field of air gap in the high speed motor are assigned. Two kinds of flow field distributions of air gap in the high speed motor considering the air in the notches of slots in solved domain or not are presented. Then the normal flow temperature coupled field calculation model ignoring the air movements in the notch is established and calculated. And the new model in which the air in the notch is included in the calculated fluid region is solved. The result is compared with the traditional method result which approves that the proposed method can provide an accurate understanding on thermal property analysis of high speed motor. At last, the heat transfer coefficients at the air gap surface considering Tooth-slots effects are computed on the basis of calculation of flow field, and the 3D temperature field of high speed motor is analyzed.
Starting Page	1
Ending Page	4
File Size	1314096
Page Count	4
File Format	PDF
ISBN	9781457710445
e-ISBN	9781457710438
DOI	10.1109/ICEMS.2011.6073693
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-08-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Heat transfer Permanent magnet motors Rotors Fluids Atmospheric modeling Temperature distribution Stators
Content Type	Text
Resource Type	Article

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