Publication:
The study of a rotating-heat-pipe-cooled electric motor

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Authors
Immel, Gerhard Otto
Subjects
Heat Pipe
Electric Motors Cooling
Advisors
Marto, P.J.
Date of Issue
1980
Date
December 1980
Publisher
Monterey, California. Naval Postgraduate School
Language
en_US
Abstract
The steady state temperatures of a conventional, 15 HP electric motor were compared to those of a rotating-heat-pipe cooled motor under identical loading conditions. Fourteen thermocouples were used to measure temperatures at various locations within the motor. Seven of these were placed in rotating parts of the motor and were recorded through a mercury slip ring unit. Tests were made with the electric motor in its original configuration (i.e. with a solid shaft),with its solid shaft replaced by a rotating heat pipe, and with this heat pipe unit containing segmented external fins to increase air cooling. The modifications did not show a decrease of motor temperatures. This was probably due to a lack of cooling air through the motor casing. Recommendations for future work are included.
Type
Thesis
Description
Series/Report No
Department
Mechanical Engineering
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Distribution Statement
Approved for public release; distribution is unlimited.
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Copyright is reserved by the copyright owner.
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