Statistics and scaling laws of turbulent scalar mixing at high Reynolds numbers / vorgelegt von Michael Gauding.

Format:

Book

Author/Creator:

Gauding, Michael, author.

Language:

English

German

Subjects (All):

Flow meter industry.

Physical Description:

1 online resource (179 pages) : illustrations

Edition:

1st ed.

Place of Publication:

Gottingen, [Germany] : Cuvillier Verlag, 2014.

Language Note:

In English and German languages.

Summary:

The turbulent motion of fluids and scalars is a highly complex problem. It is still one of the unsolved problems of classical physics, cf. Nelkin (1992) and Shraiman and Siggia (2000), and the description remains challenging. The understanding of turbulent flows and turbulent mixing is of great interests for many applications. Prominent examples are the turbulent combustion of chemical reactants and the dynamics of the atmosphere or the oceans. In those cases the evolution of the scalar affects the turbulent flow itself. Here, we focus on the case where the scalar is both conserved and passive and does not affect the flow field.

Contents:

Intro

Vorwort

Abstract

Zusammenfassung

Contents

1 Introduction

2 Direct Numerical Simulation of Turbulent Flows

3 Statistical Properties of Turbulence Obtained by DNS

4 Dynamics of Turbulent Mixing

5 Decomposition of Turbulent Fields by the Method of "Turbulent Line Segments"

6 Regular and Anomalous Scaling of Two-PointStatistics and Gradients

7 Summary and Conclusion

A Normalization of the Scalar Gradient PDF

B Skewness of the Longitudinal Velocity Gradients

C Normalized Moments of the Energy Dissipation

D Reynolds Number Dependence of the Scalar Flux Spectrum

References.

Notes:

Includes bibliographical references.

Description based on online resource; title from PDF title page (ebrary, viewed September 28, 2017).

ISBN:

9783736947443

3736947445