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Computational Design Of Low Aspect Ratio Wing Winglet Configurations For Transonic Wind Tunnel Tests
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Book Synopsis Computational Design of Low Aspect Ratio Wing-Winglet Configurations for Transonic Wind-Tunnel Tests by : National Aeronautics and Space Adm Nasa
Download or read book Computational Design of Low Aspect Ratio Wing-Winglet Configurations for Transonic Wind-Tunnel Tests written by National Aeronautics and Space Adm Nasa and published by . This book was released on 2018-11-02 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: A computational design has been performed for three different low aspect ratio wing planforms fitted with nonplanar winglets; one of the three planforms has been selected to be constructed as a wind tunnel model for testing in the NASA LaRC 7 x 10 High Speed Wind Tunnel. A design point of M = 0.8, CL approx = 0.3 was selected, for wings of aspect ratio equal to 2.2, and leading edge sweep angles of 45 and 50 deg. Winglet length is 15 percent of the wing semispan, with a cant angle of 15 deg, and a leading edge sweep of 50 deg. Winglet total area equals 2.25 percent of the wing reference area. This report summarizes the design process and the predicted transonic performance for each configuration. Kuhlman, John M. and Brown, Christopher K. Unspecified Center...
Book Synopsis Computational Design of Low Aspect Ratio Wing-winglet Configurations for Transonic Wind-tunnel Tests by :
Download or read book Computational Design of Low Aspect Ratio Wing-winglet Configurations for Transonic Wind-tunnel Tests written by and published by . This book was released on 1989 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalogue, United States Public Documents by :
Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1991 with total page 1690 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1990 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis AIAA 27th Aerospace Sciences Meeting by :
Download or read book AIAA 27th Aerospace Sciences Meeting written by and published by . This book was released on 1989 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Aeronautical Engineering written by and published by . This book was released on 1991 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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).
Book Synopsis Effects of Winglets on the Drag of a Low-Aspect-Ratio Configuration by : Leigh Ann Smith
Download or read book Effects of Winglets on the Drag of a Low-Aspect-Ratio Configuration written by Leigh Ann Smith and published by . This book was released on 1996 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on with total page 970 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA SP. written by and published by . This book was released on 1991 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aeronautical Engineering: A Cumulative Index to a Continuing Bibliography (supplement 261) by :
Download or read book Aeronautical Engineering: A Cumulative Index to a Continuing Bibliography (supplement 261) written by and published by . This book was released on 1991 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1990 with total page 1596 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1990 with total page 1312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Theoretical/numerical Study of Feasibility of Use of Winglets on Low Aspect Ratio Wings at Subsonic and Transonic Mach Numbers to Reduce Drag by : John M. Kuhlman
Download or read book Theoretical/numerical Study of Feasibility of Use of Winglets on Low Aspect Ratio Wings at Subsonic and Transonic Mach Numbers to Reduce Drag written by John M. Kuhlman and published by . This book was released on 1988 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: A numerical design study was conducted to assess the drag reduction potential of winglets installed on a series of low aspect ratio wings at a design point of M=0.8, C sub L=0.3. Wing-winglet and wing-alone design geometries were obtained for wings of aspect ratios between 1.75 and 2.67, having leading edge sweep angles between 45 and 60 deg. Winglet length was fixed at 15% of wing semispan. To assess the relative performance between wing-winglet and wing-alone configurations, the PPW nonlinear extended small disturbance potential flow code was utilized. This model has proven to yield plausible transonic flow field simulations for the series of low aspect ratio configurations selected. Predicted decreases in pressure drag coefficient for the wing-winglet configurations relative to the corresponding wing-alone planform are about 15% at the design point. Predicted decreases in wing-winglet total drag coefficient are about 12%, relative to the corresponding wing-alone design. Longer winglets (25% of the wing semispan) yielded decreases in the pressure drag of up to 22% and total drag of up to 16.4%. These predicted drag coefficient reductions are comparable to reductions already demonstrated by actual winglet designs installed on higher aspect ratio transport type aircraft.
Book Synopsis International Aerospace Abstracts by :
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1991 with total page 872 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. House. Committee on Small Business. Subcommittee on General Oversight Publisher : ISBN 13 : Total Pages :352 pages Book Rating :4.:/5 (327 download)
Book Synopsis Small Business Innovation and Research Legislation by : United States. Congress. House. Committee on Small Business. Subcommittee on General Oversight
Download or read book Small Business Innovation and Research Legislation written by United States. Congress. House. Committee on Small Business. Subcommittee on General Oversight and published by . This book was released on 1982 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. Senate. Committee on Small Business. Subcommittee on Innovation and Technology Publisher : ISBN 13 : Total Pages :444 pages Book Rating :4.:/5 (327 download)
Book Synopsis S. 881, the Small Business Innovation Research Act of 1981 by : United States. Congress. Senate. Committee on Small Business. Subcommittee on Innovation and Technology
Download or read book S. 881, the Small Business Innovation Research Act of 1981 written by United States. Congress. Senate. Committee on Small Business. Subcommittee on Innovation and Technology and published by . This book was released on 1981 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt:
