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Author : Richard E. Wallace
Publisher :
ISBN 13 :
Total Pages : 130 pages
Book Rating : 4.:/5 (22 download)
Download or read book The Experimental Investigation of a Swept-wing Research Model Boundary Layer written by Richard E. Wallace and published by . This book was released on 1953 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (227 download)
Download or read book The Experimental Study of Transition and Leading Edge Contamination on Swept Wings (Etude De La Transition Et De La Contamination De Bord D'Attaque Sur Alles En Fleche). written by and published by . This book was released on 1992 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study is concerned with an experimental investigation of the different ways in which turbulence appears in an incompressible laminar boundary layer on a swept wing. Transition is detected by the use of hot films attached to the model. The results of two series of measurements are given: in the first, the sensors are placed along the chord and the recorded signals allow the analysis of problems in streamwise and crossflow instability, and leading edge contamination. In the second series of experiments, hot films are distributed along the span, close to the leading edge. Leading edge contamination is studied in detail and possibilities of relaminarisation are considered.
Author : Donald E. Gault
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (249 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 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (946 download)
Download or read book Experimental Study of Controlled Disturbances Development In A Supersonic Boundary Layer on A Swept Wing written by and published by . This book was released on 2002 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The experimental results on the laminar-turbulent transition in three-dimensional boundary layers for M> 1 are described. Stationary structures were registered using different methods of flow visualization. The first experimental studies of instability of a three-dimensional boundary layer at supersonic velocities were conducted. Evolution of natural fluctuations in the boundary layer on a swept wing was studied. It was shown that the character of distribution of the mean and fluctuating characteristics of the boundary layer is similar to the case of subsonic velocities. A downstream increase in these disturbances was found in analyzing the spectra of natural fluctuations. It was obtained at M=2, flat the disturbances growth in three-dimensional boundary layer occurs much faster, than in the flat plate case. The increase of the Mach number up to 3.5 extends frequency band of amplifying disturbances and leads to earlier turbulent transition. The results of an experimental study of evolution of controlled disturbances on a swept-wing model for Mach number M=2 are presented. The wave characteristics of traveling waves are obtained. The objective of present work is an experimental study of nonlinear evolution of controlled disturbances on a swept wing supersonic boundary layer.
Author : Samuel Ralph Pate
Publisher :
ISBN 13 :
Total Pages : 95 pages
Book Rating : 4.:/5 (81 download)
Download or read book Experimental and Analytical Investigation of Boundary-layer Transition on Swept Wings at Mach Numbers 2.5 to 5 written by Samuel Ralph Pate and published by . This book was released on 1965 with total page 95 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : F. M. Burrows
Publisher :
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.:/5 (165 download)
Download or read book A Theoretical and Experimental Study of the Boundary Layer Flow on a 45° Swept Back Wing written by F. M. Burrows and published by . This book was released on 1956 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781724695277
Total Pages : 478 pages
Book Rating : 4.6/5 (952 download)
Download or read book Transition Studies on a Swept-Wing Model written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-08-04 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present investigation contributes to the understanding of boundary-layer stability and transition by providing detailed measurements of carefully-produced stationary crossflow vortices. It is clear that a successful prediction of transition in swept-wing flows must include an understanding of the detailed physics involved. Receptivity and nonlinear effects must not be ignored. Linear stability theory correctly predicts the expected wavelengths and mode shapes for stationary crossflow, but fails to predict the growth rates, even for low amplitudes. As new computational and analytical methods are developed to deal with three-dimensional boundary layers, the data provided by this experiment will serve as a useful benchmark for comparison. Saric, William S. Langley Research Center NASA-CR-200873, NAS 1.26-200873 NAG1-937...
Author : S. R. Pate
Publisher :
ISBN 13 :
Total Pages : 58 pages
Book Rating : 4.3/5 (91 download)
Download or read book Investigation of Boundary-layer Transition on Swept Wings at Mach Numbers 2.5 to 5 written by S. R. Pate and published by . This book was released on 1963 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tests were conducted in the 12-in. Supersonic Tunnel of the von Karman Gas Dynamics Facility to determine boundary-layer transition locations on swept wings having a circular arc profile and modified arc profile. Test Mach numbers were from 2.5 to 5 over a Reynolds-number-per-inch range from 0.14 to 1. 08 million at sweep angles of 24, 36, and 50 deg for angles of attack of 0 and approximately -4 deg. Boundary-layer transition Reynolds numbers determined by a pitot probe, and results obtained visually with a sub limable solid are presented. The major factors influencing boundary-layer transition were wing sweep and model leading edge geometry. Increasing wing sweep and leading edge bluntness above a sweep angle of approximately 20 deg decreased the transition Reynolds number at all test Mach numbers.
Author : Richard Paul Clukey
Publisher :
ISBN 13 :
Total Pages : 118 pages
Book Rating : 4.:/5 (346 download)
Download or read book Experimental investigation of a laminar flow wing with audio boundary layer control, in free-air written by Richard Paul Clukey and published by . This book was released on 1971 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. Walton
Publisher :
ISBN 13 :
Total Pages : 15 pages
Book Rating : 4.:/5 (165 download)
Download or read book Addendum to a Theoretical and Experimental Study of the Boundary Layer Flow on a 45' Swept Back Wing written by J. Walton and published by . This book was released on 1957 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rolf Faye Petersen
Publisher :
ISBN 13 :
Total Pages : 154 pages
Book Rating : 4.:/5 (181 download)
Download or read book Investigation of Boundary-layer Flow Over a Swept Wing written by Rolf Faye Petersen and published by . This book was released on 1953 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : F. M. Burrows
Publisher :
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.:/5 (976 download)
Download or read book A Theoretical and Experimental Study of the Boundary Layer Flow on a 45 Degree Swept Back Wing written by F. M. Burrows and published by . This book was released on 1956 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 174 pages
Book Rating : 4.:/5 (317 download)
Download or read book Variable Sweep Transition Flight Experiment (VSTFE)-parametric Pressure Distribution Boundary Layer Stability Study and Wing Glove Design Task written by and published by . This book was released on 1986 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Variable Sweep Transition Flight Experiment (VSTFE) was initiated to establish a boundary-layer transition data base for laminar flow wing design. For this experiment, full-span upper-surface gloves will be fitted to a variable sweep F-14 aircraft. The results of two initial tasks are documented: a parametric pressure distribution/boundary-layer stability study and the design of an upper-surface glove for Mach 0.8. The first task was conducted to provide a data base from which wing-glove pressure distributions could be selected for glove designs. Boundary-layer stability analyses were conducted on a set of pressure distributions for various wing sweep angles, Mach numbers, and Reynolds number in the range of those anticipated for the flight-test program. The design procedure for the Mach 0.8 glove is described, and boundary-layer stability calculations and pressure distributions are presented both at design and off-design conditions. Also included is the analysis of the clean-up glove (smoothed basic wing) that will be flight-tested initially and the analysis of a Mach 0.7 glove designed at the NASA Langley Research Center.
Download or read book Selected Titles by A. Sullivan for Bookshop Visit to Julian Wood Bookshop written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Clark Neill Piper
Publisher :
ISBN 13 :
Total Pages : 134 pages
Book Rating : 4.:/5 (437 download)
Download or read book Experimental Investigation of the Profile Drag and Boundary Layer of a Wing Section During Free Flight in the Wind Tunnel written by Clark Neill Piper and published by . This book was released on 1939 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James W. Wiggins
Publisher :
ISBN 13 :
Total Pages : 692 pages
Book Rating : 4.F/5 ( download)
Download or read book Wind-tunnel Investigation to Determine the Horizontal- and Vertical-tail Contributions to the Static Lateral Stability Characteristics of a Complete-model Swept-wing Configuration at High Subsonic Speeds written by James W. Wiggins and published by . This book was released on 1956 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt: An investigation was conducted in the Langley high-speed 7- by 10-foot tunnel to determine the horizontal- and vertical-tail contributions to the static lateral stability of a complete-model swept-wing configuration at high subsonic speeds. The results indicate that, in a general, Mach number effects within the range studied and wing effects on the tail contribution were small and the overall trends of the data of the present investigation agreed with those which have been established at low speeds.
Author : Gloria Hernandez
Publisher :
ISBN 13 :
Total Pages : 98 pages
Book Rating : 4.:/5 (317 download)
Download or read book An Experimental Investigation of a Mach 3.0 High-speed Civil Transport at Supersonic Speeds written by Gloria Hernandez and published by . This book was released on 1993 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:
