The Stalling of Airscrew Blades

The Stalling of Airscrew Blades IN a recent article by the author, reference was made to the stalling of airscrew blades and to some of its effects. It seems worth while to examine more closely the kinematics of stalling. In some cases the thrust coefficient graph for a chosen value of pD indicates a marked drop in kT at a certain value of J, this drop being attributed to stalling of the blade point on ABC Fig. 1 is such a point. It seems certain that the effect of stalling is complete at C when the kT graph is practically parallel to the J axis, but where the effects of stalling first come into play is not so clear. In other cases, especially for lower values of pD, the kT graph has the shape DE, from which it is not clear whether or not any stalling at all has taken place. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aircraft Engineering and Aerospace Technology Emerald Publishing

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0002-2667
DOI
10.1108/eb031220
Publisher site
See Article on Publisher Site

Abstract

IN a recent article by the author, reference was made to the stalling of airscrew blades and to some of its effects. It seems worth while to examine more closely the kinematics of stalling. In some cases the thrust coefficient graph for a chosen value of pD indicates a marked drop in kT at a certain value of J, this drop being attributed to stalling of the blade point on ABC Fig. 1 is such a point. It seems certain that the effect of stalling is complete at C when the kT graph is practically parallel to the J axis, but where the effects of stalling first come into play is not so clear. In other cases, especially for lower values of pD, the kT graph has the shape DE, from which it is not clear whether or not any stalling at all has taken place.

Journal

Aircraft Engineering and Aerospace TechnologyEmerald Publishing

Published: Feb 1, 1945

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