On the Theory of Compliant Wall Drag Reduction in Turbulent Boundary Layers PDF Download
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Author: Robert L. Ash
Publisher:
ISBN:
Category : Drag (Aerodynamics)
Languages : en
Pages : 82
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Book Description
Author: Robert L. Ash
Publisher:
ISBN:
Category : Drag (Aerodynamics)
Languages : en
Pages : 82
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Book Description
Author:
Publisher: AIAA
ISBN: 9781600863783
Category : Boundary layer
Languages : en
Pages : 542
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Book Description
Author: Robert L. Ash
Publisher:
ISBN:
Category : Drag (Aerodynamics)
Languages : en
Pages : 52
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Book Description
Author: Ramakrishna Balasubramanian
Publisher:
ISBN:
Category : Navier-Stokes equations
Languages : en
Pages : 126
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Book Description
Author: Tuncer Cebeci
Publisher: Elsevier
ISBN: 0323151051
Category : Technology & Engineering
Languages : en
Pages : 423
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Book Description
Analysis of Turbulent Boundary Layers focuses on turbulent flows meeting the requirements for the boundary-layer or thin-shear-layer approximations. Its approach is devising relatively fundamental, and often subtle, empirical engineering correlations, which are then introduced into various forms of describing equations for final solution. After introducing the topic on turbulence, the book examines the conservation equations for compressible turbulent flows, boundary-layer equations, and general behavior of turbulent boundary layers. The latter chapters describe the CS method for calculating two-dimensional and axisymmetric laminar and turbulent boundary layers. This book will be useful to readers who have advanced knowledge in fluid mechanics, especially to engineers who study the important problems of design.
Author: W. Tillmann
Publisher:
ISBN:
Category : Drag (Aerodynamics)
Languages : en
Pages : 44
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Book Description
In connection with earlier measurements by K. Wieghardt the increase of the turbulent friction drag was determined for some additional types of common surface irregularities.
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781724680730
Category :
Languages : en
Pages : 32
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Book Description
A numerical model of turbulent boundary layer flows over compliant walls was investigated. The model is based on Burton's observation that outer flow structures in turbulent boundary layers produce large scale pressure fluctuations near the wall. The results of calculations indicate that certain small wavelength wall motions can have a significant effect upon the stability of turbulent boundary layers. Orszag, S. A. Unspecified Center NASA-CR-3071 NAS1-14906
Author: Steven M. Trujillo
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Hans Schmidbauer
Publisher:
ISBN:
Category : Mathematics
Languages : en
Pages : 570
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Book Description
The system of linear differential equations which indicated the approach of separation and the so-called "boundary-layer thickness" by Gruschwitz is extended in this report to include the case where the friction layer is subject to centrifugal forces. Evaluation of the data yields a strong functional dependence of the momentum change and wall drag on the boundary-layer thickness radius of curvature ratio for the wall. It is further shown that the transition from laminar to turbulent flow occurs at somewhat higher Reynolds Numbers at the convex wall than at the flat plate, due to the stabilizing effect of the centrifugal forces.
Author: Steven A. Orszag
Publisher:
ISBN:
Category : Drag (Aerodynamics)
Languages : en
Pages : 64
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Book Description
