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Author : Yat-Yung Chan
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (14 download)
Download or read book A Perturbation of Two-dimensional Transonic Wind Tunnel Wall Interference written by Yat-Yung Chan and published by . This book was released on 1979 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Y. Y. (Yat-Yung) Chan
Publisher : 1979.
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (373 download)
Download or read book A Perturbation Theory of Two-dimensional Transonic Wind Tunnel Wall Interference written by Y. Y. (Yat-Yung) Chan and published by 1979.. This book was released on 1979 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: The wind tunnel wall interference in transonic speed is formulated as perturbation to the basic flow around the airfoil in free air. The perturbation equation is derived from the transonic small disturbance equation and is linear but with variable coefficients containing the non-linear solution of the basic flow. The equation is solved numerically by a direct matrix method using the classical boundary condition for a porous wall. The solution in terms of lift versus angle of attack agrees well with that calculated directly from the small disturbance equation. (Author).
Author :
Publisher :
ISBN 13 :
Total Pages : 27 pages
Book Rating : 4.:/5 (227 download)
Download or read book A Perturbation Theory of Two-Dimensional Transonic Wind Tunnel Wall Interference (Theorie De La Perturbation De L'Interference De Parois Dans Une Soufflerie Bi-Dimensionelle Transsonique). written by and published by . This book was released on 1979 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: The wind tunnel wall interference in transonic speed is formulated as perturbation to the basic flow around the airfoil in free air. The perturbation equation is derived from the transonic small disturbance equation and is linear but with variable coefficients containing the non-linear solution of the basic flow. The equation is solved numerically by a direct matrix method using the classical boundary condition for a porous wall. The solution in terms of lift versus angle of attack agrees well with that calculated directly from the small disturbance equation. (Author).
Author :
Publisher :
ISBN 13 :
Total Pages : 50 pages
Book Rating : 4.:/5 (317 download)
Download or read book TWINTN4: A Program for Transonic Four-wall Interference Assessment in Two-dimensional Wind Tunnels written by and published by . This book was released on 1984 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (317 download)
Download or read book TWINTAN: A Program for Transonic Wall Interference Assessment in Two-dimensional Wind Tunnels written by and published by . This book was released on 1980 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William B. Kemp
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.F/5 ( download)
Download or read book TWINTN4 written by William B. Kemp and published by . This book was released on 1984 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. Mokry
Publisher :
ISBN 13 : 9789283514633
Total Pages : 186 pages
Book Rating : 4.5/5 (146 download)
Download or read book Two-dimensional Wind Tunnel Wall Interference written by M. Mokry and published by . This book was released on 1983 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: A description and analysis is presented of the more important developments during the past decade in the understanding of the wall interference problem associated with two-dimensional wind tunnel testing at subsonic and transonic speeds. Discussed are: wall boundary conditions; asymptotic analysis of wall interference; classical and extended wall interference theories; wall interference corrections from boundary measurements; integral equation formulation of subcritical wall interference; and effects of side wall boundary layer on two-dimensional tests. Unsteady wall interference at subsonic flow conditions is reviewed. Recent advances in the adaptive wall technique, which actively reduces or eliminates wall interference, are also described. (Author).
Author : Marie H. Tuttle
Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.:/5 (31 download)
Download or read book Wind Tunnel Wall Interference (January 1980-May 1988) written by Marie H. Tuttle and published by . This book was released on 1988 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Boško Rašuo
Publisher :
ISBN 13 :
Total Pages : 128 pages
Book Rating : 4.:/5 (254 download)
Download or read book Two-dimensional Transonic Wind Tunnel Wall Interference written by Boško Rašuo and published by . This book was released on 2003 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Y. Y. Chan
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (837 download)
Download or read book A Pertubation Theory of Two-dimensional Transonic Wind Tunnel Wall Interference written by Y. Y. Chan and published by . This book was released on 1979 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : B. F. R. Ewald
Publisher :
ISBN 13 :
Total Pages : 578 pages
Book Rating : 4.E/5 ( download)
Download or read book Wind Tunnel Wall Correction written by B. F. R. Ewald and published by . This book was released on 1998 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report was compiled by an international team of wind tunnel wall correction experts. It presents the present state of the art in wind tunnel wall corrections with a special emphasis given to the description of modern wall correction methods based on Computational Fluid Dynamics. This AGARDograph was planned by the AGARD Fluid Dynamics Panel to be a modern sequel of the successful AGARDograph 109 "Subsonic Wind Tunnel Wall Corrections", which was published in 1966. AGARDogaph 109 is still valid and continues to be used to provide wall corrections in many wind tunnels. Nevertheless, in the thirty two years since the publication of AGARDograph 109, much work has been done on the subject, and the influence of the new tool of numerical fluid dynamics was so strong, that a sequel to AGARDograph 109 was considered to be necessary.
Author : Barrett Stone Baldwin
Publisher :
ISBN 13 :
Total Pages : 46 pages
Book Rating : 4.3/5 (91 download)
Download or read book Wall Interference in Wind Tunnels with Slotted and Porous Boundaries at Subsonic Speeds written by Barrett Stone Baldwin and published by . This book was released on 1953 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: Linearized compressible-flow analysis is applied to the study of wind-tunnel-wall interference for subsonic flow in either two-dimensional or circular test sections having slotted or porous walls. Expressions are developed for evaluating blockage and lift interference.
Author : E. M. Kraft
Publisher :
ISBN 13 :
Total Pages : 84 pages
Book Rating : 4.3/5 (91 download)
Download or read book An Integral Equation Method for Boundary Interference in a Perforated-wall Wind Tunnel at Transonic Speeds written by E. M. Kraft and published by . This book was released on 1976 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: The wind tunnel boundary interference at transonic speeds on a thin airfoil in a two-dimensional perforated-wall wind tunnel was determined. The interference was found by applying an integral equation method to the nonlinear transonic small disturbance equation including embedded supersonic regions with shock waves. The kernels of the ensuing integral equation were replaced by series approximations, and the integrals were evaluated in closed form. The iterative technique used to calculate the interference from the integral equation method is shown to converge rapidly, and the computing time for the integral equation method is typically an order of magnitude less than present numerical methods. As a special case, the integral equation method for a thin airfoil in free air was also examined. It was found that the introduction of a novel influence function yields, for the first time, a self-contained integral equation for a lifting airfoil. In addition, a systematic study of the classical assumption used to simplify the integral equation shows that the integral method can provide solutions in good agreement with results from the numerical methods.
Author : B. D. Fairlie
Publisher :
ISBN 13 : 9780642900753
Total Pages : 126 pages
Book Rating : 4.9/5 (7 download)
Download or read book Evaluation of Wall Interference Effects in a Two-dimensional Transonic Wind Tunnel by Subsonic Linear Theory written by B. D. Fairlie and published by . This book was released on 1979 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results of transonic wind tunnel tests on two-dimensional aerofoils are analysed with respect to the effects of wind tunnel wall interference. The tests were conducted on two geometrically similar models of each of two aerofoil sections - the NACA 0012 and the BGK-1 sections-and covered a range of Mach numbers from 0.5 to 0.82 with model chord to tunnel height ratios of 0.125 and 0.25. Results from measurements on all models in both solid- and slotted-wall test sections are corrected for wind tunnel wall interference effects by the application of classical linearized theory. For the solid wall results, these corrections appear to produce data which are very close to being free of the effects of interference. In the case of slotted walls however, linear theory is found to significantly underestimate the magnitude of blockage interference. The introduction of an empirical blockage correction, when combined with the linear theory representation of lift-interference, enables the cross-flow characteristics of the slotted walls to be determined, and leads to a successful correction scheme for the slotted wall results. Extensive comparisons with data from other sources, both experimental and theoretical, provide further verification that the corrected results are indeed closely interference free. (Author).
Author : J. J. Kacprzynski
Publisher :
ISBN 13 :
Total Pages : 75 pages
Book Rating : 4.:/5 (11 download)
Download or read book Analysis of Two-dimensional Small Perturbation Transonic Flow Between Porous Wind Tunnel Walls written by J. J. Kacprzynski and published by . This book was released on 1974 with total page 75 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 : 242 pages
Book Rating : 4.3/5 (243 download)
Download or read book Wall Interference in Wind Tunnels written by North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development and published by . This book was released on 1982 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 456 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
