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Distributed Roughness Effects on Blunt-Body Transition and Turbulent HeatingAn experimental program has been conducted to obtain data on the effects of surface roughness on blunt bodies at laminar, transitional, and turbulent conditions. Wind tunnel models with distributed surface roughness heights from 0.06 mm to 1.75 mm were tested and heating data were obtained using global surface thermography. Heating rates of up to 85% higher than predicted, smooth-surface turbulent levels were measured.
Document ID
20140007359
Acquisition Source
Langley Research Center
Document Type
Conference Paper
Authors
Hollis, Brian R. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
June 12, 2014
Publication Date
January 13, 2014
Subject Category
Fluid Mechanics And Thermodynamics
Report/Patent Number
AIAA Paper-2014-0238
NF1676L-16745
Report Number: AIAA Paper-2014-0238
Report Number: NF1676L-16745
Meeting Information
Meeting: AIAA Aerospace Sciences Meeting
Location: National Harbor, MD
Country: United States
Start Date: January 13, 2014
End Date: January 17, 2014
Sponsors: American Inst. of Aeronautics and Astronautics
Funding Number(s)
WBS: WBS 677714.03.02.07
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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