IUTAM Symposium on Emerging Trends in Rotor Dynamics Proceedings of
Rotor dynamics is an important branch of dynamics that deals with behavior of rotating machines ranging from very large systems like power plant rotors, for example, a turbogenerator, to very small systems like a tiny dentist’s drill, with a variety of ro
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IUTAM Bookseries
Symposium on Emerging Trends in Rotor Dynamics Proceedings of the IUTAM Symposium on Emerging Trends in Rotor Dynamics, held in New Delhi, India, March 23 - March 26, 2009
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IUTAM Symposium on Emerging Trends in Rotor Dynamics
IUTAM BOOKSERIES Volume 25 Series Editors G.M. Gladwell, University of Waterloo, Waterloo, Ontario, Canada R. Moreau, INPG, Grenoble, France Editorial Board J. Engelbrecht, Institute of Cybernetics, Tallinn, Estonia L.B. Freund, Brown University, Providence, USA A. Kluwick, Technische Universität, Vienna, Austria H.K. Moffatt, University of Cambridge, Cambridge, UK N. Olhoff, Aalborg University, Aalborg, Denmark K. Tsutomu, IIDS, Tokyo, Japan D. van Campen, Technical University Eindhoven, Eindhoven, The Netherlands Z. Zheng, Chinese Academy of Sciences, Beijing, China
Aims and Scope of the Series The IUTAM Bookseries publishes the proceedings of IUTAM symposia under the auspices of the IUTAM Board.
For other titles published in this series, go to http:www.springer.com/series/7695
K. Gupta Editor
IUTAM Symposium on Emerging Trends in Rotor Dynamics Proceedings of the IUTAM Symposium on Emerging Trends in Rotor Dynamics, held in New Delhi, India, March 23 – March 26, 2009
123
Editor K. Gupta Department of Mechanical Engineering Indian Institute of Technology Hauz Khas 110016 New Delhi India [email protected]
ISSN 1875-3507 e-ISSN 1875-3493 ISBN 978-94-007-0019-2 e-ISBN 978-94-007-0020-8 DOI 10.1007/978-94-007-0020-8 Springer Dordrecht Heidelberg London New York Library of Congress Control Number: 2010938474 © Springer Science+Business Media B.V. 2011 No part of this work may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, microfilming, recording or otherwise, without written permission from the Publisher, with the exception of any material supplied specifically for the purpose of being entered and executed on a computer system, for exclusive use by the purchaser of the work. Printed on acid-free paper Springer is part of Springer Science+Business Media (www.springer.com)
Foreword
Rotors represent a very important part in many machines, devices and plants, and give rise to engineering and design challenges. While some problems in rotor dynamics nowadays can be considered as solved, new problems have emerged from the broad utilisation, but also from the frequent need to increase the operating range, the rotational speed, the load or the power of rotating machinery. New solutions for increasing demands are needed and this emphasizes the importance of rotor dynamics and its status as a cutting edge field of research. This IUTAM-Symposium was especially devoted to emerging and new trends in rotor dynamics. As one can see from the many interesting contributions in this volume, there are new approaches, ideas and solutions developed for the old and for the new challenges in rotor dynamics. It is widely accepted that rotor unbalance must not be considered as the single cause to initi
