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  • 1
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    Experiments On Schemes For Adaptive-Wall Wind Tunnels (1991)
    In:  Other Sources
    Details
    Publication Date: 2019-07-12
    Description: Report discusses experimental investigation of various convergence schemes for adaptive-wall wind tunnel. Results show side-wall-pressure measurements used as flow variables yield same unconfined-flow conditions as those obtained by measuring streamwise and perpendicular components of velocity with laser Doppler velocimeter. Justifies use of influence coefficients in one-step and iterative convergence schemes. Also shows with one-step convergence scheme, satisfactory adaptation obtained when number of iterations reduced to one (or sometimes two).
    Keywords: MECHANICS
    Type: ARC-12116 , NASA Tech Briefs (ISSN 0145-319X); 15; 12; P. 72
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Measurements Of Turbulent Flow About An Airfoil (1992)
    In:  Other Sources
    Details
    Publication Date: 2019-07-12
    Description: Wind-tunnel flow velocities measured by laser Doppler velocimeter (LDV) closer to calculated velocities than those measured by hot-wire anemometer, according to report.
    Keywords: MECHANICS
    Type: ARC-12110 , NASA Tech Briefs (ISSN 0145-319X); 16; 2; P. 85
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
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