Development Of A Quiet Supersonic Wind Tunnel With A Cryogenic Adaptive Nozzle
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Author | : National Aeronautics and Space Administration (NASA) |
Publisher | : Createspace Independent Publishing Platform |
Total Pages | : 98 |
Release | : 2018-07-06 |
Genre | : |
ISBN | : 9781722349752 |
Download Development of a Quiet Supersonic Wind Tunnel with a Cryogenic Adaptive Nozzle Book in PDF, Epub and Kindle
Low-disturbance or 'quiet' wind tunnels are now considered an essential part of meaningful boundary layer transition research. Advances in Supersonic Laminar Flow Control (SLFC) technology for swept wings depends on a better understanding of the receptivity of the transition phenomena to attachment-line contamination and cross-flows. This need has provided the impetus for building the Laminar Flow Supersonic Wind Tunnel (LFSWT) at NASA-Ames, as part of the NASA High Speed Research Program (HSRP). The LFSWT was designed to provide NASA with an unequaled capability for transition research at low supersonic Mach numbers (
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Total Pages | : 1102 |
Release | : 1991 |
Genre | : Aeronautics |
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Download Scientific and Technical Aerospace Reports Book in PDF, Epub and Kindle
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Total Pages | : 904 |
Release | : 1973 |
Genre | : Aeronautics |
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Total Pages | : |
Release | : 1994 |
Genre | : Government publications |
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Total Pages | : 1830 |
Release | : 1993-05 |
Genre | : Government publications |
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Total Pages | : 1736 |
Release | : 1992 |
Genre | : Science |
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Total Pages | : 712 |
Release | : 1993 |
Genre | : Aeronautics |
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A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International aerospace abstracts (IAA)
Author | : National Aeronautics and Space Administration (NASA) |
Publisher | : Createspace Independent Publishing Platform |
Total Pages | : 56 |
Release | : 2018-07-06 |
Genre | : |
ISBN | : 9781722353650 |
Download Development of Quiet-Flow Supersonic Wind Tunnels for Laminar-Turbulent Transition Research Book in PDF, Epub and Kindle
This grant supported research into quiet-flow supersonic wind-tunnels, between May 1990 and December 1994. Quiet-flow nozzles operate with laminar nozzle-wall boundary layers, in order to provide low-disturbance flow for studies of laminar-turbulent transition under conditions comparable to flight. Major accomplishments include: (1) the design, fabrication, and performance-evaluation of a new kind of quiet tunnel, a quiet-flow Ludweig tube; (2) the integration of preexisting codes for nozzle design, 2D boundary-layer computation, and transition-estimation into a single user-friendly package for quiet-nozzle design; and (3) the design and preliminary evaluation of supersonic nozzles with square cross-section, as an alternative to conventional quiet-flow nozzles. After a brief summary of (1), a description of (2) is presented. Published work describing (3) is then summarized. The report concludes with a description of recent results for the Tollmien-Schlichting and Gortler instability in one of the square nozzles previously analyzed. Schneider, Steven P. Unspecified Center...
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Total Pages | : 654 |
Release | : 1992 |
Genre | : Aeronautics |
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Author | : Xenia Klinger |
Publisher | : |
Total Pages | : 79 |
Release | : 1991 |
Genre | : City planning |
ISBN | : 9780662191384 |
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