Some notes on temperature rise armature in traction motor. (I) On revaluation of heat transfer coefficient and estimating of air flow characteristic through air-holes

Yukio Kawakami, Hiroshi Mutoh

研究成果: Article査読

抄録

In estimating heat transfer in a traction motor, consideration must be given to a rise in air temperature. The authors investigated air flow characteristic with dummy rotors simulating an armature core in which the prototype motor output is 230[kW]. Air hole diameter, hole number, and rotor speed have little effect on pressure loss coefficient. The pressure loss coefficient is ζ = 49Re-0.3 for Reynolds numbers ranging from 104 to 2 × 105.

本文言語English
ページ(範囲)54-63
ページ数10
ジャーナルWaseda Daigaku Rikogaku Kenkyusho Hokoku/Bulletin of Science and Engineering Research Laboratory, Waseda University
120
出版ステータスPublished - 1988 12 1
外部発表はい

ASJC Scopus subject areas

  • 工学(全般)

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