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Effect of ground and ceiling planes on shape of energized wakes (1994)

Rossow, Vernon J.

In: Other Sources

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Publication Date: 2011-08-24

Description: Results are presented from an investigation of the structure of energized wakes in the presence of ground or ceiling planes when powered-lift devices are tested at zero and low wind tunnel velocities. Solutions are presented to indicate how the presence of a nearby ground plane causes the energized wake to constrict less than when in free space. In contrast, another set of solutions indicate that the presence of a ceiling plane enhances wake construction so that the wake width is even smaller than when in free space. Hence, a ground plane tends to reduce the chance for interaction between the wake and the energizing elements, while a nearby ceiling plane tends to increase the likelihood for interference.

Keywords: AERODYNAMICS

Type: Journal of Aircraft (ISSN 0021-8669); 31; 5; p. 1227-1231

Format: text

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