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Comparison of experimental and theoretical turbulence reduction characteristics for screens, honeycomb, and honeycomb-screen combinationsTurbulence reduction research using screens, honeycomb, and combinations thereof was conducted in a half-scale model of a portion of the Langley 8-foot transonic pressure tunnel. It was found that screens alone reduce axial turbulence more than lateral turbulence; whereas, honeycomb alone reduces laterial turbulence more than axial turbulence. Because of this difference, the physical mechanism for decreasing turbulence for screens and honeycomb must be completely different. It is concluded that honeycomb with a downstream screen is an excellent combination for reducing turbulences.
Document ID
19820006182
Acquisition Source
Legacy CDMS
Document Type
Technical Publication (TP)
Authors
Scheiman, J. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 4, 2013
Publication Date
December 1, 1981
Subject Category
Aerodynamics
Report/Patent Number
L-14628
NASA-TP-1958
Accession Number
82N14055
Funding Number(s)
PROJECT: RTOP 505-31-33-09
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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