The Free Wake Analysis
- 1 January 1970
- journal article
- Published by AHS International dba Vertical Flight Society in Journal of the American Helicopter Society
- Vol. 15 (1) , 3-11
- https://doi.org/10.4050/jahs.15.1.3
Abstract
An improved method for calculating helicopter hovering performance is introduced in which the most important step is the calculation of the wake geometry below the rotor using an involved iterative technique. The improved ability to calculate performance using the new technique is demonstrated. The significance of blade‐wake interference and the influence of blade number are discussed.Keywords
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