Aerodynamic Loads Induced by a Rotor on a Body of Revolution
- 1 January 1986
- journal article
- Published by AHS International dba Vertical Flight Society in Journal of the American Helicopter Society
- Vol. 31 (1) , 29-36
- https://doi.org/10.4050/jahs.31.1.29
Abstract
A wind‐tunnel investigation was conducted in which aerodynamic loads were measured on a small‐scale helicopter rotor and a body of revolution located close to it as an idealized model of a fuselage. The objective was to study the aerodynamic interactions as a function of forward speed, rotor thrust, and rotor/body position. Results show that body loads, normalized by rotor thrust, are functions of the ratio between free‐stream velocity and the hover‐induced velocity predicted by momentum theory.Keywords
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