Overview

The study of wall-bounded turbulent ows is of considerable interest from both scienti c and practical view points. As such it has attracted a great deal of research over the last 100 years. Much research has concentratedon ows over smooth walls since these are simpler from experimental, numerical and theoretical standpoints. The ow over rough walls has still received considerable attention but progress has necessarilybeenslower.Perhapsthemostessentialproblem(certainlyfromaprac- cal point of view) is to be able to predict the skin-frictiondrag acting on a plate (or a body) given a certain known roughness characteristic of the surface. Unfortunately this has proved to be very dif cult since even the simplest rough surfaces can be characterised by a number of different parameters and we still cannot directly c- nectthese tothe uiddynamicdragin a givensituation.Varioustheoriesandmodels have been proposed in order to make progress but there is still some disagreement in the community as to the correct understanding of these important ows.

Full Product Details

Author:   T. B. Nickels
Publisher:   Springer
Imprint:   Springer
Edition:   2010 ed.
Volume:   22
Dimensions:   Width: 15.50cm , Height: 1.00cm , Length: 23.50cm
Weight:   0.454kg
ISBN:  

9789400733404

ISBN 10:   9400733402
Pages:   184
Publication Date:   07 November 2012
Audience:   College/higher education ,  Professional and scholarly ,  Postgraduate, Research & Scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   Manufactured on demand  
We will order this item for you from a manufactured on demand supplier.

Table of Contents

Direct Numerical Simulation and PIV Measurement of Turbulent Boundary Layer over a Rod-Roughened Wall.- Turbulent Flows over Aligned and Inclined Ribs.- An Experimental Study of Turbulent Flow in the Vicinity of Transverse Square Bars.- Boundary Layer Structure over a Two-Dimensional Rough Wall.- Turbulence in Pipe Flows with Small Relative Roughness.- LDV Measurement Near a Rough Surface for a Turbulent Boundary Layer.- POD Analysis of the Near-Wall Region of a Rough Wall Turbulent Boundary Layer.- An Experimental Study of a Turbulent Wall Jet on Smooth and Rough Surfaces.- Turbulent Flow Over Urban-Type Roughness Using PIV.- A High Reynolds Number Turbulent Boundary Layer with Regular ‘Braille-Type’ Roughness.- On the Outer Layer Controversy for a Turbulent Boundary Layer over a Rough Wall.- Turbulent Channel Flow over Model “Dynamic” Roughness.- Log-Layer Dynamics in Smooth and Artificially-Rough Turbulent Channels.- Roughness Scaling Parameters in the Fully-Rough Regime.- Transition in Rough Channels.- Effect of Isotropic Free-stream Turbulence in Favorable Pressure Gradient Turbulent Boundary Layers over a Rough Surface.- Particulate Impact and Erosion in a Turbulent Serpentine Channel.- Rough Wall Skin Friction Measurements Using a High Resolution Surface Balance.- Modified Hierarchy Structure of Rough-Wall Flows.- Analysis of Instantaneous Velocity Vector in Geostrophic Turbulent Ekman Layer over a Transitional Rough Surface.- Wall Roughness Effects: A Second Law Analysis (SLA).- Coherent Structures in Turbulent Flow over Arrays of Cubical Obstacles.- Large Roughness Effects in Channel Flow.- Very-Rough-Wall Channel Flows: A DNS Study.

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