The Turbulent Boundary Layer
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Boundary Layers
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Author : Alec David Young
language : en
Publisher: AIAA (American Institute of Aeronautics & Astronautics)
Release Date : 1989
Boundary Layers written by Alec David Young and has been published by AIAA (American Institute of Aeronautics & Astronautics) this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Science categories.
Following an introduction to the basic physical concepts and the theoretical framework of boundary layers, discussion includes laminar boundary layers, the physics of the transition from laminar to turbulent flow, the turbulent boundary layer and its governing equations in time-averaging form, drag prediction by integral methods, turbulence modeling and differential methods, and current topics and problems in research and industry.
Analysis Of Turbulent Boundary Layers
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Author : Tuncer Cebeci
language : en
Publisher: Elsevier
Release Date : 2012-12-02
Analysis Of Turbulent Boundary Layers written by Tuncer Cebeci and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Technology & Engineering categories.
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.
An Experimental Investigation Of The Flow Structure Of The Turbulent Boundary Layer
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Author : Peter W. Runstadler
language : en
Publisher:
Release Date : 1963
An Experimental Investigation Of The Flow Structure Of The Turbulent Boundary Layer written by Peter W. Runstadler and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Boundary layer categories.
A combination of visual and quantitative measurements is presented, providing a physical picture of the turbulent boundary layer flow structure on a flat plate. The flow structure is shown to consist of three zones, each zone has a one to one correspondence to the well known regions of the u+, y+ mean velocity profile. A wall layer region is shown to exist below y+ = 10. An apparently fully turbulent region exists corresponding to the logarithmic ''law of the wall'' and the ''buffer'' region. An intermittent zone appears to agree closely with the ''wake'' deviation region. An entirely new result of the investigation is the delineation of the structure of the wall layer region. This region is shown to contain a relatively regular structure of low and high velocity fluid streaks alternating in the span direction, together with the ejection of low momentum fluid into the outer flow. Correlations are given for the rate of ejection and the streak spacing. A qualitative description of other features of the wall layer region and the character of the remainder of the boundary layer flow structure is presented. (Author).
Some Characteristics Of Turbulent Boundary Layers In Rapidly Accelerated Flows
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Author : Paul F. Brinich
language : en
Publisher:
Release Date : 1971
Some Characteristics Of Turbulent Boundary Layers In Rapidly Accelerated Flows written by Paul F. Brinich and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Boundary layer categories.
An analysis of time-mean-turbulent boundary layer velocity profiles measured in a rapidly accelerating flow suggests that the outer region of the velocity profiles consists of essentially inviscid, rotational flow. The extent of this inviscid outer region was observed in some cases to exceed 90 percent of what is ordinarily thought of as the turbulent boundary layer thickness. On the other hand, the inner frictional region of these velocity profiles appears to have turbulent characteristics similar to those of more conventional turbulent boundary layers. Hence, the outer edge boundary condition for this inner region is more properly the external rotational flow region than the free stream.
On The Theory Of The Turbulent Boundary Layer
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Author : Julius C. Rotta
language : en
Publisher:
Release Date : 1953
On The Theory Of The Turbulent Boundary Layer written by Julius C. Rotta and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1953 with Aeronautics categories.
Turbulent energy, dissipation, and momentum relations are discussed. A procedure is given for computation of turbulent skin friction in boundary-layer flow with pressure gradients. The boundary layer is divided into a region near the wall where viscosity and surface roughness are important, an outer region which is dependent on friction coefficient and pressure gradient, and an intermediate zone between these two which is unaffected by wall roughness, viscosity, and the outer flow. Analytical confirmation is obtained for the empirical fact that turbulent boundary layers are able to overcome a greater pressure rise than laminar ones.
Calculation Of The Turbulent Boundary Layer And Of Transition On A Plane Plate
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Author : René Hirsch
language : en
Publisher:
Release Date : 1967
Calculation Of The Turbulent Boundary Layer And Of Transition On A Plane Plate written by René Hirsch and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Transition flow categories.
Investigation Of Laminar And Turbulent Boundary Layers Interacting With Externally Generated Shock Waves
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Author : Earl C. Watson
language : en
Publisher:
Release Date : 1969
Investigation Of Laminar And Turbulent Boundary Layers Interacting With Externally Generated Shock Waves written by Earl C. Watson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Laminar boundary layer categories.
Laminar and turbulent boundary layer interactions with externally generated shock waves.
Analytical Numerical And Experimental Results On Turbulent Boundary Layers
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Author : David L. Whitfield
language : en
Publisher:
Release Date : 1976
Analytical Numerical And Experimental Results On Turbulent Boundary Layers written by David L. Whitfield and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Laminar boundary layer categories.
This report describes the results of analytical, numerical, and experimental investigations of incompressible and compressible boundary layers. The subjects considered are (1) Laminar and/or turbulent numerical boundary-layer calculations in which the Reynolds stress is related to the turbulent kinetic energy; (2) an analytical investigation of turbulence near a wall which is not founded on classical mixing-length theory; (3) analytical solutions for relating velocity and temperature throughout turbulent boundary layers for nonunity Prandtl numbers; (4) a description of the data reduction of pitot pressure measurements utilizing these analytical results, and (5) the application of the numerical and analytical results to the analysis of turbulent boundary-layer measurements made in the Propulsion Wind Tunnel Facility (PWT).
The Effects Of Curvature On The Turbulent Boundary Layer
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Author : Virendrakumar Chaturbhai Patel
language : en
Publisher:
Release Date : 1969
The Effects Of Curvature On The Turbulent Boundary Layer written by Virendrakumar Chaturbhai Patel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Curvature categories.
On The Equations Of A Thick Axisymmetric Turbulent Boundary Layer
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Author : Virendrakumar Chaturbhai Patel
language : en
Publisher:
Release Date : 1973
On The Equations Of A Thick Axisymmetric Turbulent Boundary Layer written by Virendrakumar Chaturbhai Patel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Boundary value problems categories.
An examination of the Reynolds equations for axisymmetric turbulent flow where the thickness of the boundary layer is of the same order as the transverse radius of curvature of the surface shows that neither the boundary layer nor the potential flow outside it may be calculated independently of the other, owing to significant interactions between the two flow regimes. Following a discussion of various procedures for extending conventional thin boundary-layer calculation methods to treat thick axisymmetric turbulent boundary-layers, a method is proposed for the simultaneous solution of the boundary layer and the potential flow equations, allowing the two flow regimes to interact. (Author Modified Abstract).