Experimental Investigation of Turbine Blades in Service
The article deals with the investigation of the rotor blade vibrations in the last low pressure stage of the steam turbine. The first part of this article is devoted to the functional analyse of the mathematical model and in the second part some results o
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Series Editors: The Rectors of CISM
Sandor Kaliszky- Budapest Mahir Sayir - Zurich Wilhelm Schneider - Wien
The Secretary Gene tal of CISM Giovanni Bianchi - Milan
Executive Editor
Carlo Tasso- Udine
The series presents lecture notes, monographs, edited works and proceedings in !he field of Mechanics, Engineering, Computer Science and Applied Mathematics. Purpose of the series in 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. 352
DIAGNOSTICS OF ROT A TING MACHINES IN POWER PLANTS
Proceedings of the CISM/IFToMM Symposium October 27-29, 1993 Udine, Italy
EDITED BY G. DIANA TECHNICAL UNIVERSITY OF MILAN
SPRINGER-VERLAG WIEN GMBH
Le spese di stampa di questo volume sono in parte coperte da contributi del Consiglio Nazionale delle Ricerche.
This volume contains 256 illustrations
This work is subject to copyright. All rights are reserved,
whether the whole or part of the material is concerned specifically those of translation, reprinting, re-use of illustrations, broadcasting, reproduction by photocopying machine or similar means, and storage in data banks.
© 1994 by Springer-Verlag Wien Originally published by Springer Verlag Wien-New York in 1994
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.
ISBN 978-3-211-82613-3 DOI 10.1007/978-3-7091-2706-3
ISBN 978-3-7091-2706-3 (eBook)
PREFACE
The Symposium on "Diagnostics of Rotating Machines in Power Plants" was held in Udine (Italy)from October 27 to 29, 1993. It was promoted by the International Centre for Mechanical Sciences (CISM), in cooperation with the International Federation for the Theory of Machines and Mechanisms (IFToMM), the Electric Power Research Institute (EPRI) and the Politecnico di Milano and organized with the financial support of ASEA Brown Boeri, Ansa/do, CISE, ENEL, FIAT Avio. The main purpose of this meeting was to provide comprehensive survey of the state of the art of the diagnostic techniques for the condition monitoring ofturbomachinery. Authors from fifteen different countries in Europe, North America, Asia, Oceania contribute 26 papers at the Symposium. Experts from six electric companies were invited to lecture on the principal diagnostic methodologies used in controlling large turbine-generator vibrations in their respective countries (U.S.A., Japan, Switzerland, France, Sweden and Italy). The success of the Symposium reflects the great interest in the condition monitoring of turf?omachinery, as well as in diagnostics and predictive maintenance. The papers presented on this occasion examined the most significant aspects of diagnostic strategies, emphasizing the importance of predictive maintenance in r
