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V/STOL and STOL ground effects and testing techniquesThe ground effects associated with V/STOL operation were examined and an effort was made to develop the equipment and testing techniques needed for that understanding. Primary emphasis was on future experimental programs in the 40 x 80 and the 80 x 120 foot test sections and in the outdoor static test stand associated with these facilities. The commonly used experimental techniques are reviewed and data obtained by various techniques are compared with each other and with available estimating methods. These reviews and comparisons provide insight into the limitations of past studies and the testing techniques used and identify areas where additional work is needed. The understanding of the flow mechanics involved in hovering and in transition in and out of ground effect is discussed. The basic flow fields associated with hovering, transition and STOL operation of jet powered V/STOL aircraft are depicted.
Document ID
19870014978
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Kuhn, R. E. (NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
September 5, 2013
Publication Date
February 1, 1987
Publication Information
Publication: Proceedings of the 1985 NASA Ames Research Center's Ground-Effects Workshop
Subject Category
Aircraft Design, Testing And Performance
Accession Number
87N24411
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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