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A preliminary investigation of drag reduction and mechanism for a blunt body of revolution with slanted baseThis is a preliminary study of the drag reduction effect and its mechanism of a blunt body of revolution with a 21-deg slant angle by using a series of base plates. Drag coefficients were measured to investigate the effect of base installation position and plate height. An effective drag reduction device was found. Through the measurement of base pressure and total pressure distribution and flow pattern display, flow characteristics and drag reduction mechanism in the vortex near the wake were investigated.
Document ID
19880020369
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Xia, Xuejian (NASA Headquarters Washington, DC United States)
Yu, Xiaoshen (NASA Headquarters Washington, DC United States)
Date Acquired
September 5, 2013
Publication Date
August 1, 1988
Subject Category
Aerodynamics
Report/Patent Number
NAS 1.77:20349
NASA-TT-20349
Accession Number
88N29753
Funding Number(s)
CONTRACT_GRANT: NASW-4307
Distribution Limits
Public
Copyright
Public Use Permitted.
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