Experimental study of the cooling of a closed type electric motor

被引：45

作者：

Farsane, K ^{[1
]}

Desevaux, P ^{[1
]}

Panday, PK ^{[1
]}

机构：

[1] Univ Franche Comte, Inst Genie Energet, F-90000 Belfort, France

来源：

APPLIED THERMAL ENGINEERING | 2000年 / 20卷 / 14期

关键词：

electric motor; cooling; infrared thermography; laser Doppler anemometry;

D O I：

10.1016/S1359-4311(99)00094-0

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The present study aimed at the optimization of the external surface of an induction motor of closed type and is carried out experimentaly by considering, in parallel, the thermal aspects and flow distribution around the motor casing. Three non intrusive methods of investigation are used: determination of wall temperature fields by infrared thermography, flow visualization by laser sheet and measurement of velocity distribution by laser Doppler anemometry. The results obtained on an already commercialized motor display important overheating of several zones at the casing surface, and have led to the design of a new configuration of motor casing. The study of a prototype motor, equipped with the modified casing, shows a significant improvement of the casing irrigation, and consequently an appreciable decrease in surface temperatures. (C) 2000 Elsevier Science Ltd. All rights reserved.

引用

页码：1321 / 1334

页数：14

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