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Author :
Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.:/5 (317 download)
Download or read book Natural Laminar Flow Airfoil Analysis and Trade Studies written by and published by . This book was released on 1979 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 340 pages
Book Rating : 4.:/5 (317 download)
Download or read book Laminar Flow Aircraft Certification written by and published by . This book was released on 1986 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 770 pages
Book Rating : 4.:/5 (319 download)
Download or read book NASA Reference Publication written by and published by . This book was released on 1977 with total page 770 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. W. Barnwell
Publisher :
ISBN 13 :
Total Pages : 432 pages
Book Rating : 4.3/5 (91 download)
Download or read book Natural Laminar Flow and Laminar Flow Control written by R. W. Barnwell and published by . This book was released on 1992 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R.W. Barnwell
Publisher : Springer Science & Business Media
ISBN 13 : 1461228727
Total Pages : 415 pages
Book Rating : 4.4/5 (612 download)
Download or read book Natural Laminar Flow and Laminar Flow Control written by R.W. Barnwell and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 415 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research on laminar flow and its transition to turbulent flow has been an important part of fluid dynamics research during the last sixty years. Since transition impacts, in some way, every aspect of aircraft performance, this emphasis is not only understandable but should continue well into the future. The delay of transition through the use of a favorable pressure gradient by proper body shaping (natural laminar flow) or the use of a small amount of suction (laminar flow control) was recognized even in the early 1930s and rapidly became the foundation of much of the laminar flow research in the U.S. and abroad. As one would expect, there have been many approaches, both theoretical and experimental, employed to achieve the substantial progress made to date. Boundary layer stability theories have been formu lated and calibrated by a good deal of wind tunnel and flight experiments. New laminar now airfoils and wings have been designed and many have been employed in aircraft designs. While the early research was, of necessity, concerned with the design of subsonic aircraft interest has steadily moved to higher speeds including those appropriate to planetary entry. Clearly, there have been substantial advances in our understanding of transition physics and in the development and application of transition prediction methodolo gies to the design of aircraft.
Author :
Publisher :
ISBN 13 :
Total Pages : 82 pages
Book Rating : 4.:/5 (317 download)
Download or read book An Approach to the Constrained Design of Natural Laminar Flow Airfoils written by and published by . This book was released on 1997 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Cornelis P. Van Dam
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (31 download)
Download or read book Natural Laminar Flow Airfoil Design Considerations for Winglets on Low-speed Airplanes written by Cornelis P. Van Dam and published by . This book was released on 1984 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. Khalid
Publisher :
ISBN 13 :
Total Pages : 144 pages
Book Rating : 4.X/5 (2 download)
Download or read book A Summary of Transonic Natural Laminar Flow Airfoil Development at NAE written by M. Khalid and published by . This book was released on 1990 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : C. P. Vandam
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (317 download)
Download or read book Natural Laminar Flow Airfoil Design Considerations for Winglets on Low-speed Airplanes written by C. P. Vandam and published by . This book was released on 1984 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Winglet airfoil section characteristics which significantly influence cruise performance and handling qualities of an airplane are discussed. A good winglet design requires an airfoil section with a low cruise drag coefficient, a high maximum lift coefficient, and a gradual and steady movement of the boundary layer transition location with angle of attack. The first design requirement provides a low crossover lift coefficient of airplane drag polars with winglets off and on. The other requirements prevent nonlinear changes in airplane lateral/directional stability and control characteristics. These requirements are considered in the design of a natural laminar flow airfoil section for winglet applications and chord Reynolds number of 1 to 4 million.
Author : D. J. Jones
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.:/5 (137 download)
Download or read book Analysis of Experimental Data for a 21% Thick Natural Laminar Flow Airfoil, NAE 68-060-21:1 written by D. J. Jones and published by . This book was released on 1985 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Cornelis P. Van Dam
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.F/5 ( download)
Download or read book Natural Laminar Flow Airfoil Design Considerations for Winglets on Low-speed Airplanes written by Cornelis P. Van Dam and published by . This book was released on 1984 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dan M. Somers
Publisher :
ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.:/5 (31 download)
Download or read book Design and Experimental Results for a Natural-Laminar-Flow Airfoil for General Aviation Application written by Dan M. Somers and published by . This book was released on 1981 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: A natural-laminar-flow airfoil for general aviation applications, the NLF(1)-0416, was designed and analyzed theoretically and verified experimentally in the Langley Low-Turbulence Pressure Tunnel. The basic objective of combining the high maximum lift of the NASA low-speed airfoils with the low cruise drag of the NACA 6-series airfoils was achieved. The safety requirement that the maximum lift coefficient not be significantly affected with transition fixed near the leading edge was also met. Comparisons of the theoretical and experimental results show excellent agreement. Comparisons with other airfoils, both laminar flow and turbulent flow, confirm the achievement of the basic objective.
Author : Dan M. Somers
Publisher :
ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.:/5 (31 download)
Download or read book Design and Experimental Results for a Flapped Natural-laminar-flow Airfoil for General Aviation Applications written by Dan M. Somers and published by . This book was released on 1981 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: A flapped natural laminar flow airfoil for general aviation applications, the NLF(1)-0215F, has been designed and analyzed theoretically and verified experimentally in the Langley Low Turbulence Pressure Tunnel. The basic objective of combining the high maximum lift of the NASA low speed airfoils with the low cruise drag of the NACA 6 series airfoils has been achieved. The safety requirement that the maximum lift coefficient not be significantly affected with transition fixed near the leading edge has also been met. Comparisons of the theoretical and experimental results show generally good agreement.
Author :
Publisher :
ISBN 13 :
Total Pages : 92 pages
Book Rating : 4.:/5 (319 download)
Download or read book NASA Technical Memorandum written by and published by . This book was released on 1982 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dan M. Somers
Publisher :
ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.:/5 (317 download)
Download or read book Design and Experimental Results for a Natural-laminar-flow Airfoil for General Aviation Applications written by Dan M. Somers and published by . This book was released on 1981 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781722177904
Total Pages : 78 pages
Book Rating : 4.1/5 (779 download)
Download or read book An Approach to the Constrained Design of Natural Laminar Flow Airfoils written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-06 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt: A design method has been developed by which an airfoil with a substantial amount of natural laminar flow can be designed, while maintaining other aerodynamic and geometric constraints. After obtaining the initial airfoil's pressure distribution at the design lift coefficient using an Euler solver coupled with an integral turbulent boundary layer method, the calculations from a laminar boundary layer solver are used by a stability analysis code to obtain estimates of the transition location (using N-Factors) for the starting airfoil. A new design method then calculates a target pressure distribution that will increase the laminar flow toward the desired amount. An airfoil design method is then iteratively used to design an airfoil that possesses that target pressure distribution. The new airfoil's boundary layer stability characteristics are determined, and this iterative process continues until an airfoil is designed that meets the laminar flow requirement and as many of the other constraints as possible. Green, Bradford E. Langley Research Center...
Author : Mark D. Bowles
Publisher : U. S. National Aeronautics & Space Administration
ISBN 13 :
Total Pages : 212 pages
Book Rating : 4.3/5 ( download)
Download or read book The "Apollo" of Aeronautics written by Mark D. Bowles and published by U. S. National Aeronautics & Space Administration. This book was released on 2010 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book covers the Aircraft Energy Efficiency (ACEE), consisting of six aeronautical projects born out of the energy crisis of the 1970s and divided between the Lewis and Langley Research Centers in Ohio and Virginia.
