Effects of Gust Velocity Spatial Distributions on Lateral-directional Response of a VTOL Aircraft

Effects of Gust Velocity Spatial Distributions on Lateral-directional Response of a VTOL Aircraft PDF Author: Robert L. Swaim
Publisher:
ISBN:
Category : Vertically rising aircraft
Languages : en
Pages : 68

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Effects of Gust Velocity Spatial Distributions on Lateral-directional Response of a VTOL Aircraft

Effects of Gust Velocity Spatial Distributions on Lateral-directional Response of a VTOL Aircraft PDF Author: Robert L. Swaim
Publisher:
ISBN:
Category : Vertically rising aircraft
Languages : en
Pages : 68

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Effects of Gust Velocity Spatial Distributions on Lateral-directional Response of a VTOL Aircraft

Effects of Gust Velocity Spatial Distributions on Lateral-directional Response of a VTOL Aircraft PDF Author: Robert L. Swaim
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 40

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The effects of spanwise distribution of longitudinal and vertical components of gust velocity and longitudinal distribution of the lateral component on the lateral-directional response of a hovering VTOL aircraft are analyzed. Results show that spanwise effects of the longitudinal and vertical components are negligible, and the longitudinal distribution of the lateral component is significant in computing the power spectral densities of gust-induced side force, yawing moment, rolling moment, and the aircraft sideslip, yaw, and roll root-mean-square response angles. If the gust-induced angles of attack and sideslip angles are in the nonlinear range of lift curve slope, the above conclusions, which are based on linear aerodynamic theory, may not hold and an analysis based on momentum transfer of gust energy to the aircraft is recommended. Flow field interaction effects due to engine intake and exhaust also were not considered. (Author).

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ISBN:
Category : Aeronautics
Languages : en
Pages : 196

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Technical Abstract Bulletin PDF Author: Defense Documentation Center (U.S.)
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