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Wind Tunnel Investigation Of Aerodynamic Efficiency Of Three Planar Elliptical Wings With Curvature Of Quarter Chord Line
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Book Synopsis Wind-tunnel Investigation of Aerodynamic Efficiency of Three Planar Elliptical Wings with Curvature of Quarter-chord Line by : Raymond E. Mineck
Download or read book Wind-tunnel Investigation of Aerodynamic Efficiency of Three Planar Elliptical Wings with Curvature of Quarter-chord Line written by Raymond E. Mineck and published by . This book was released on 1993 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781722870737 Total Pages :86 pages Book Rating :4.8/5 (77 download)
Book Synopsis Wind-Tunnel Investigation of Aerodynamic Efficiency of Three Planar Elliptical Wings with Curvature of Quarter-Chord Line by : National Aeronautics and Space Administration (NASA)
Download or read book Wind-Tunnel Investigation of Aerodynamic Efficiency of Three Planar Elliptical Wings with Curvature of Quarter-Chord Line written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-17 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt: Three planar, untwisted wings with the same elliptical chord distribution but with different curvatures of the quarter-chord line were tested in the Langley 8-Foot Transonic Pressure Tunnel (8-ft TPT) and the Langley 7- by 10-Foot High-Speed Tunnel (7 x 10 HST). A fourth wing with a rectangular planform and the same projected area and span was also tested. Force and moment measurements from the 8-ft TPT tests are presented for Mach numbers from 0.3 to 0.5 and angles of attack from -4 degrees to 7 degrees. Sketches of the oil-flow patterns on the upper surfaces of the wings and some force and moment measurements from the 7 x 10 HST tests are presented at a Mach number of 0.5. Increasing the curvature of the quarter-chord line makes the angle of zero lift more negative but has little effect on the drag coefficient at zero lift. The changes in lift-curve slope and in the Oswald efficiency factor with the change in curvature of the quarter-chord line (wingtip location) indicate that the elliptical wing with the unswept quarter-chord line has the lowest lifting efficiency and the elliptical wing with the unswept trailing edge has the highest lifting efficiency; the crescent-shaped planform wing has an efficiency in between. Mineck, Raymond E. and Vijgen, Paul M. H. W. Langley Research Center...
Book Synopsis Wind Tunnel Investigation of Aerodynamic ... by : Raymond E. Mineck
Download or read book Wind Tunnel Investigation of Aerodynamic ... written by Raymond E. Mineck and published by . This book was released on 1993 with total page 78 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 1994 with total page 728 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 1994 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Aeronautical Journal written by and published by . This book was released on 1994 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aeronautical Enginnering: A Cumulative Index to a Continuing Bibliography (supplement 312) by :
Download or read book Aeronautical Enginnering: A Cumulative Index to a Continuing Bibliography (supplement 312) written by and published by . This book was released on 1994 with total page 392 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 1994 with total page 1372 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Transonic Wind-tunnel Investigation of Aerodynamic-loading Characteristics of a 2-percent-thick Trapezoidal Wing in Combination with Basic and Indented Bodies by : Thomas C. Kelly
Download or read book Transonic Wind-tunnel Investigation of Aerodynamic-loading Characteristics of a 2-percent-thick Trapezoidal Wing in Combination with Basic and Indented Bodies written by Thomas C. Kelly and published by . This book was released on 1957 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pressure data have been obtained in the Langley 8-foot transonic tunnel at Mach numbers from 0.80 to 1.115 and angles of attack from 0 to 20 degrees for wing-body configurations employing a thin trapezoidal wing in combination with basic and indented bodies. The wing had 26.6 degrees sweepback of the quarter-chord line, an aspect ratio of 2.61, a taper ratio of 0.211, and 2-percent-thick symmetrical circular-arc airfoil sections parallel to the plane of symmetry. Results are also presented for the basic body alone. Reynolds numbers for the tests were on the order of 2,600,000, based on the wing mean aerodynamic chord.
Book Synopsis A Wind-tunnel Investigation of the Aerodynamic Characteristics of Three Airplane Configurations Having Diamond-plan-form Wings at a Mach Number of 2.91 by : John E. Grimaud
Download or read book A Wind-tunnel Investigation of the Aerodynamic Characteristics of Three Airplane Configurations Having Diamond-plan-form Wings at a Mach Number of 2.91 written by John E. Grimaud and published by . This book was released on 1960 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Flight and Wind Tunnel Investigation of the Effect of Angle-of-attack Rate on Maximum Lift Coefficient by : Fox Conner
Download or read book A Flight and Wind Tunnel Investigation of the Effect of Angle-of-attack Rate on Maximum Lift Coefficient written by Fox Conner and published by . This book was released on 1965 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Summary of Results of a Wind-tunnel Investigation of Nine Related Horizontal Tails by : Jules B. Dods
Download or read book Summary of Results of a Wind-tunnel Investigation of Nine Related Horizontal Tails written by Jules B. Dods and published by . This book was released on 1955 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: The results of a wind-tunnel investigation of a series of models of nine related horizontal tails have been summarized to provide basic design information; to indicate the effects of aspect ratio, sweepback, and changes in the Mach number; and to provide experimental values of the lift and hinge-moment parameters for comparison with values computed by a method employing lifting-surface theory. The models had aspect ratios from 2 to 6, angles of sweepback of the quarter-chord line from 5.7 degrees to 45 degrees, a taper ratio of 0.5, and had 30-percent-chord, sealed, plain flaps. The Mach number was varied from 0.12 to 0.94 for Reynolds numbers of 2, 3, or 4 million. Also, a constant-chord airfoil having the NACA 64A010 section and completely spanning the wind tunnel was tested at a Mach number of 0.12. This airfoil had the same section and flap-chord ratio as the nine horizontal-tail models.
Book Synopsis A Wind-tunnel Investigation to Evaluate the Aerodynamic Performance of Three Different Airplane Configurations Having Arrow- and Delta-wing Plan Forms at a Mach Number of 2.91 by : James N. Mueller
Download or read book A Wind-tunnel Investigation to Evaluate the Aerodynamic Performance of Three Different Airplane Configurations Having Arrow- and Delta-wing Plan Forms at a Mach Number of 2.91 written by James N. Mueller and published by . This book was released on 1959 with total page 109 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Subsonic Wind-tunnel Investigation of the Aerodynamic Effects of Pivoting a Low-aspect-ratio Wing to Large Yaw Angles with Respect to the Fuselage to Increase Lift-drag Ratio by : Thomas G. Gainer
Download or read book Subsonic Wind-tunnel Investigation of the Aerodynamic Effects of Pivoting a Low-aspect-ratio Wing to Large Yaw Angles with Respect to the Fuselage to Increase Lift-drag Ratio written by Thomas G. Gainer and published by . This book was released on 1960 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Transonic Wind-tunnel Investigation of the Aerodynamic Characteristics of Three 4-percent-thick Wings of Sweepback Angles 10.8 Degrees, 35 Degrees, and 47 Degrees, Aspect Ratio 3.5, and Taper Ratio 0.2 in Coombination with a Body by : Ralph P. Bielat
Download or read book A Transonic Wind-tunnel Investigation of the Aerodynamic Characteristics of Three 4-percent-thick Wings of Sweepback Angles 10.8 Degrees, 35 Degrees, and 47 Degrees, Aspect Ratio 3.5, and Taper Ratio 0.2 in Coombination with a Body written by Ralph P. Bielat and published by . This book was released on 1952 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wind-tunnel Investigation of Aerodynamic Characteristics and Wing Pressure Distributions of an Airplane with Variable-sweep Wings Modified for Laminar Flow by : James B. Hallissy
Download or read book Wind-tunnel Investigation of Aerodynamic Characteristics and Wing Pressure Distributions of an Airplane with Variable-sweep Wings Modified for Laminar Flow written by James B. Hallissy and published by . This book was released on 1989 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt:
