Detailed Windage losses calculations, rotating electric motors.

  • Thread starter almarsd
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Hi everyone,

Long time reader first time poster. A little background on myself, 4th year in the field of ME mostly in simulation and analysis (FEA).

I am currently working on a project of a high speed electric motor. I am putting together all the losses from the rotating motor (Copper loss, back iron loss, etc.). The one item that has very little information is windage losses.

Currently, I am using a paper from NASA

PREDICTION OF WINDAGE POWER LOSS IN ALTERNATORS by James E, Vkzncik

(I am not allow to post links yet.)

or search "NASA windage losses" in Google, first PDF link.

It has a good write up on windage losses but does not give any background on where this heat goes.

Would you guys have links to more detailed papers/books on Windage losses?

Does the cooling fluid take most of the heat out? or Does the Stator absorb 50% of the heat?

Thank you for reading my post.

Al
 

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