The Ground Effect on Lifting Propellers

Released on by Albert Betz
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  • The Ground Effect on Lifting Propellers Book Detail

  • Author : Albert Betz
  • Release Date : 1937
  • Publisher :
  • Genre : Ground-cushion phenomenon
  • Pages : 544
  • ISBN 13 :
  • File Size : 75,75 MB
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The Ground Effect on Lifting Propellers by Albert Betz PDF Summary

Book Description: In what follows an estimate will be made of the magnitude of the ground effect. For the two cases where the distance a of the propeller from the ground is very small, and very large, respectively, in comparison with the propeller radius r(sub o) the relations may be simply expressed. We consider first the effect of the ground, assuming that the thrust is held constant, as may be done by a suitable change in the propeller speed.

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The Ground Effect on Lifting Propellers

The Ground Effect on Lifting Propellers

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In what follows an estimate will be made of the magnitude of the ground effect. For the two cases where the distance a of the propeller from the ground is very