Laminar Boundary Layers
Laminar boundary layer theory is introduced with special emphasis on its underlying physics. The aim of this article is to reveal the asymptotic character of wall bounded flows as well as details of the asymptotic theory that can describe these flows for
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CISM COURSES AND LECTURES
Series Editors: The Rectors of C/SM Sandor Kaliszky - Budapest Mahir Sayir - Zurich Wilhelm Schneider - Wien The Secretary General of C/SM Giovanni Bianchi - Milan Executive Editor CarIo Tasso - Udine
The series presents lecture notes, monographs, edited works and proceedings in the field of Mechanics, Engineering, Computer Science and Applied Mathematics. Purpose of the series is to make known in the international scientific and technical community results obtained in some of the activities organized by CISM, the International Centre for Mechanical Sciences.
INTERNATIONAL CENTRE FOR MECHANICAL SCIENCES COURSES AND LECTURES - No. 390
RECENT ADVANCES IN BOUNDARYLAYERTHEORY
EDlTEDBY ALFRED KLUWICK TECHNICAL UNIVERSITY OF VIENNA
DEDICATED TO PROF. W. SCHNEIDER ON THE OCCASION OF HIS 60TH BIRTHDAY
~ Springer-Verlag Wien GmbH
Le spese di stampa di questo volume sono in parte coperte da contributi de1 Consiglio Nazionale delle Ricerche.
This volume contains 116 illustrations
This work is subject to copyright. AlI rights are reserved, whether the whole or part of the material is concemed specifically those of translation, reprinting, re-use of illustrations, broadcasting, reproduction by photocopying machine or similar means, and storage in data banks. ISBN 978-3-211-83136-6 ISBN 978-3-7091-2518-2 (eBook) DOI 10.1007/978-3-7091-2518-2 © 1998 by Springer-Verlag Wien Originally published by CISM, Udine in 1998. SPIN 10682537
In order to make this volume available as economically and as rapidly as possible the authors' typescripts have been reproduced in their original forms. This method unfortunately has its typographical limitations but it is hoped that they in no way distract the reader.
PREFACE
For many years boundary-layer theory was considered a classical discipline and advances in this area were almost synonymous with the development of more powerful numerical codes to solve the well known and well established equations. This situation changed drastically with the advent of the triple deck. This concept and other recent advances in boundary-layer theory showed how modem analytical and computational techniques can and should be used to deepen the understanding of high Reynolds number flows and to design effective calculation strategies. This is the unifying theme of the present volume which contains the lecture notes presented during a course held July 7-11, 1997 at the Centre for Mechanical Sciences in Udine. Topics covered by these lecture notes include laminar boundary-layers, turbulent boundary-layers, interacting boundary-layers and the stability of lam ina r boundary-layers. Laminar boundary-layers serve as the ideal starting point to introduce the basic physical concepts and mathematical techniques of boundary-layer theory. These lead to a systematic derivation of the Prandtl equations which can be extended to higher order and clearly display the asymptotic nature of boundary-layer theory. This certainly contributes to a better insight into wall bounded
