The Plane Problem of the Flapping Wing
Description:
"In connection with an earlier report on the lifting vortex sheet which forms the basis of the following investigations this will show how the methods developed there are also suitable for dealing with the air forces for a wing with a circulation variable with time. The theory of a propulsive wing flapping up and down periodically in the manner of a bird's wing is developed. This study shows how the lift and its moment result as a function of the flapping motion, what thrust is attainable, and …
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Date:
January 1954
Creator:
Birnbaum, Walter
Item Type:
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Report
Partner:
UNT Libraries Government Documents Department