An Experimental Study Of Turbulence Production Near A Smooth Wall In A Turbulent Boundary Layer With Zero Pressure Gradient
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An Experimental Study Of Turbulence Production Near A Smooth Wall In A Turbulent Boundary Layer With Zero Pressure Gradient
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Author : Heung-tae Kim
language : en
Publisher:
Release Date : 1968
An Experimental Study Of Turbulence Production Near A Smooth Wall In A Turbulent Boundary Layer With Zero Pressure Gradient written by Heung-tae Kim and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Boundary layer categories.
The structure of the turbulent boundary layer on a smooth wall with zero pressure gradient has been studied experimentally. Emphasis has been given to the production of turbulence in the inner layers. Intensive studies of a few.
An Experimental Study Of Turbulence Production Near A Smooth Wall In A Turbulent Boundary Layer With Zero Pressure Gradient Thesis
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Author : Heung-Tae Kim
language : en
Publisher:
Release Date : 1968
An Experimental Study Of Turbulence Production Near A Smooth Wall In A Turbulent Boundary Layer With Zero Pressure Gradient Thesis written by Heung-Tae Kim and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with categories.
An Experimental Study Of The Structure Of Turbulence Near The Wall Through Correlation Measurements In A Thick Turbulent Boundary Layer
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Author : Bo-Jang Tu
language : en
Publisher:
Release Date : 1966
An Experimental Study Of The Structure Of Turbulence Near The Wall Through Correlation Measurements In A Thick Turbulent Boundary Layer written by Bo-Jang Tu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with categories.
An experimental investigation is described in which emphasis is given to revealing the structure of turbulence near the wall in a boundary layer. Measurements made include space-time correlations between the fluctuating wall pressure and the span-wise velocity component w, and between the various velocity components. The velocity correlations include measurements of the space-time correlation of the streamwise component of the fluctuating wall shear stress. Experiments have been conducted in a thick (5 in.) turbulent boundary layer with zero pressure gradient which is produced by natural transition on a smooth surface. Sufficient data have been obtained to allow the proposal of a qualitative model for the structure of turbulence near the wall. The proposed model outlines the sequence of events that results in the production of intense pressure and velocity fluctuations by stretching of the vorticity after it is produced by viscous stresses within and near the edge of the viscous sublayer. The measurements are in qualitative agreement with the model. Qualitative agreement means that the size and shape of the contours of constant correlation and the sign of the measured correlations are in agreement with the proposed model for the turbulent structure. (Author).
Nbs Special Publication
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Author :
language : en
Publisher:
Release Date : 1968
Nbs Special Publication written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Weights and measures categories.
Nasa Technical Note
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Author :
language : en
Publisher:
Release Date : 1973
Nasa Technical Note written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with categories.
Report
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Author : United States. National Bureau of Standards
language : en
Publisher:
Release Date : 1968
Report written by United States. National Bureau of Standards and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Hydraulic engineering categories.
Preliminary Experimental Investigation Of Effect Of Free Stream Turbulence On Turbulent Boundary Layer Growth
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Author : S. J. Kline
language : en
Publisher:
Release Date : 1960
Preliminary Experimental Investigation Of Effect Of Free Stream Turbulence On Turbulent Boundary Layer Growth written by S. J. Kline and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with Fluid dynamics categories.
An Experimental Study Of Turbulent Boundary Layer On Rough Walls
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Author : C. K. Liu
language : en
Publisher:
Release Date : 1966
An Experimental Study Of Turbulent Boundary Layer On Rough Walls written by C. K. Liu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Boundary layer categories.
Experimental data are presented on flow structure, mean, and fluctuating velocities in turbulent boundary layers over a family of flat surfaces with transverse roughness elements made of square bars of variable spacing. All flows were incompressible and had zero streamwise pressure gradient. The flow structures are described for surfaces extending from hydraulically smooth to fully rough. A distinct flow pattern is observed in the wall region for each of four cases: smooth, skimming, wake-interference and isolated-roughness flow. Maximum roughness was observed with a ratio of gap to bar width of approximately 11. The most obvious effect of an increase in surface roughness is the distinct increase of turbulence production and the concomittant increase in the value of eddy viscosity. It is shown that this increase in eddy viscosity increases the total thickness of the layer in the same way that an increase in molecular viscosity would do in a laminar layer. The normalization of eddy viscosity for the outer portion of the layer as suggested by Clauser is found to apply to the rough surfaces studied. (Author).
Experimental Study Of A Three Dimensional Shear Driven Turbulent Boundary Layer With Streamwise Adverse Pressure Gradient
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Author : David Michael Driver
language : en
Publisher:
Release Date : 1989
Experimental Study Of A Three Dimensional Shear Driven Turbulent Boundary Layer With Streamwise Adverse Pressure Gradient written by David Michael Driver and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Boundary layer categories.
Hydraulic Research In The United States 1968
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Author : United States. National Bureau of Standards
language : en
Publisher:
Release Date : 1969
Hydraulic Research In The United States 1968 written by United States. National Bureau of Standards and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Hydraulic engineering categories.