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Author : R. R. Landeryou
Publisher :
ISBN 13 :
Total Pages : 21 pages
Book Rating : 4.:/5 (713 download)
Download or read book Flight Tests of a Laminar Flow Swept Wing with Boundary Layer Control by Suction written by R. R. Landeryou and published by . This book was released on 1964 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. R. Landeryou
Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.:/5 (165 download)
Download or read book Further tests of a laminar flow swept wing with boundary layer control by suction written by R. R. Landeryou and published by . This book was released on 1966 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : G. V. Lachmann
Publisher : Elsevier
ISBN 13 : 1483226662
Total Pages : 768 pages
Book Rating : 4.4/5 (832 download)
Download or read book Boundary Layer and Flow Control written by G. V. Lachmann and published by Elsevier. This book was released on 2014-05-12 with total page 768 pages. Available in PDF, EPUB and Kindle. Book excerpt: Boundary Layer and Flow Control: Its Principles and Application, Volume 2 focuses on the layer of fluid in the immediate area of a bounding surface where the effects of viscosity are substantial. This book is organized into two main topics—boundary layer control for low drag, and shock-induced separation and its prevention by design and boundary layer control. It specifically discusses the nature of transition, effect of two-dimensional and isolated roughness on laminar flow, and progress in the design of low drag aerofoils. The onset of separation effects for aerofoils and wings, shock-induced separation for laminar boundary layers, and shock-induced separation for laminar boundary layers are also deliberated. This volume is recommended to physicists and specialists interested in boundary layer and flow control.
Author : Philip P. Antonatos
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.3/5 (91 download)
Download or read book Summary of Laminar Flow Control Techniques for Aircraft written by Philip P. Antonatos and published by . This book was released on 1964 with total page 44 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 : Laurie A. Marshall
Publisher :
ISBN 13 :
Total Pages : 58 pages
Book Rating : 4.:/5 (317 download)
Download or read book Boundary-layer Transition Results from the F-16XL-2 Supersonic Laminar Flow Control Experiment written by Laurie A. Marshall and published by . This book was released on 1999 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: A variable-porosity suction glove has been flown on the F-16XL-2 aircraft to demonstrate the feasibility of this technology for the proposed High-Speed Civil Transport (HSCT). Boundary-layer transition data have been obtained on the titanium glove primarily at Mach 2.0 and altitudes of 53,000-55,000 ft. The objectives of this supersonic laminar flow control flight experiment have been to achieve 50- to 60-percent-chord laminar flow on a highly swept wing at supersonic speeds and to provide data to validate codes and suction design. The most successful laminar flow results have not been obtained at the glove design point (Mach 1.9 at an altitude of 50,000 ft). At Mach 2.0 and an altitude of 53,000 ft, which corresponds to a Reynolds number of 22.7 multiplied by 10[factor 6], optimum suction levels have allowed long runs of a minimum of 46-percent-chord laminar flow to be achieved. This paper discusses research variables that directly impact the ability to obtain laminar flow and techniques to correct for these variables.
Author : Ronald D. Joslin
Publisher :
ISBN 13 :
Total Pages : 146 pages
Book Rating : 4.:/5 (317 download)
Download or read book Overview of Laminar Flow Control written by Ronald D. Joslin and published by . This book was released on 1998 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Donald E. Gault
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (31 download)
Download or read book An Experimental Investigation of Boundary-layer Control for Drag Reduction of a Swept-wing Section at Low Speed and High Reynolds Numbers written by Donald E. Gault and published by . This book was released on 1960 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Richard G. Rhodes
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (69 download)
Download or read book Computations of Laminar Flow Control on Swept Wings as a Companion to Flight Test Research written by Richard G. Rhodes and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The high cost of energy has resulted in a renewed interest in the study of reducing skin-friction drag in aeronautical applications. Laminar Flow Control (LFC) refers to any technique which alters the basic-state flow-field to delay transition from laminar to turbulent flow. Achieving fully laminar flow over a civilian transport wing will significantly reduce drag and fuel costs while increasing range and performance. Boundary-layer suction has proven to be an effective means of achieving laminar flow over an aircraft wing as demonstrated with the Northrop X-21 program; however, even with the savings in fuel, the high manufacturing and maintenance costs have discouraged the use of this technology. Recent work using threedimensional (3-D) spanwise-periodic distributed roughness elements (DREs) has shown great promise as a means of controlling the crossflow instability responsible for transition over a swept wing without the need for a complex suction system. The Texas A.
Author :
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (317 download)
Download or read book Selected Experiments in Laminar Flow: An Annotated Bibliography written by and published by . This book was released on 1992 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (317 download)
Download or read book A Flight Test of Laminar Flow Control Leading-edge Systems written by and published by . This book was released on 1983 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. A. Rozendaal
Publisher :
ISBN 13 :
Total Pages : 114 pages
Book Rating : 4.F/5 ( download)
Download or read book Natural Laminar Flow Flight Experiments on a Swept Wing Business Jet written by R. A. Rozendaal and published by . This book was released on 1986 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 118 pages
Book Rating : 4.:/5 (317 download)
Download or read book Laminar Flow Control Leading Edge Glove Flight Test Article Development written by and published by . This book was released on 1984 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dennis M. Bushnell
Publisher :
ISBN 13 :
Total Pages : 372 pages
Book Rating : 4.F/5 ( download)
Download or read book Survey and Bibliography on Attainment of Laminar Flow Control in Air Using Pressure Gradient and Suction written by Dennis M. Bushnell and published by . This book was released on 1979 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development
Publisher :
ISBN 13 :
Total Pages : 172 pages
Book Rating : 4.:/5 (319 download)
Download or read book Recent Developments in Boundary Layer Research written by North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development and published by . This book was released on 1965 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dennis M. Bushnell
Publisher :
ISBN 13 :
Total Pages : 356 pages
Book Rating : 4.:/5 (317 download)
Download or read book Survey and Bibliography on Attainment of Laminar Flow Control in Air Using Pressure Gradient and Suction, Volume 1 written by Dennis M. Bushnell and published by . This book was released on 1979 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Administration
Publisher : CreateSpace
ISBN 13 : 9781493794324
Total Pages : 86 pages
Book Rating : 4.7/5 (943 download)
Download or read book A History of Suction-Type Laminar-Flow Control with Emphasis on Flight Research written by National Aeronautics and Space Administration and published by CreateSpace. This book was released on 2013-11 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt: Laminar-flow control is an area of aeronautical research that has a long history at NASA's Langley Research Center, Dryden Flight Research Center, their predecessor organizations, and elsewhere. In this monograph, Albert L. Braslow, who spent much of his career at Langley working with this research, presents a history of that portion of laminar-flow technology known as active laminar-flow control, which employs suction of a small quantity of air through airplane surfaces. This important technique offers the potential for significant reduction in drag and, thereby, for large increases in range or reductions in fuel usage for aircraft. For transport aircraft, the reductions in fuel consumed as a result of laminar-flow control may equal 30 percent of present consumption. Given such potential, it is obvious that active laminar-flow control with suction is an important technology. In this study, the author covers the early history of the subject and brings the story all the way to the mid-1990s with an emphasis on flight research, much of which occurred at Dryden.
