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| Unsteady Aerodynamics, engineering |
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[ Pobierz całość w formacie PDF ] UNSTEADY AERODYNAMICS, AEROACOUSTICS AND AEROELASTICITY OF TURBOMACHINES Unsteady Aerodynamics, Aeroacoustics and Aeroelasticity of Turbomachines Edited by KENNETH C. HALL Duke University, Durham, North Carolina, U.S.A. ROBERT E. KIELB Duke University, Durham, North Carolina, U.S.A. and JEFFREY P. THOMAS Duke University, Durham, North Carolina, U.S.A. A C.I.P. Catalogue record for this book is available from the Library of Congress. ISBN-10 1-4020-4267-1 (HB) ISBN-13 978-1-4020-4267-6 (HB) Published by Springer, P.O. Box 17, 3300 AA Dordrecht, The Netherlands. www.springer.com Printed on acid-free paper All Rights Reserved © 2006 Springer 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 in the Netherlands. Contents Preface xi Part I Flutter Flutter Boundaries for Pairs of Low Pressure Turbine Blades 3 Roque Corral, Nélida Cerezal, and Cárlos Vasco Influence of a Vibration Amplitude Distribution on the Aerodynamic Stability of a Low-Pressure Turbine Sectored Vane 17 Olga V. Chernysheva, Torsten H. Fransson, Robert E. Kielb, and John Barter A Method to Assess Flutter Stability of Complex Modes 31 Andrea Arnone, Francesco Poli, and Claudia Schipani Flutter Design of Low Pressure Symmetric Modes Turbine Blades with Cyclic 41 Robert Kielb , John Barter , Olga Chernysheva and Torsten Fransson Vladymir Tsimbalyuk, Anatoly Zinkovskii , Vitaly Gnesin , Romuald Rzadkowski, Jacek Sokolowski 53 Possibility of Active Cascade Flutter Control with Smart Structure in Transonic Flow Condition 65 Junichi Kazawa, and Toshinori Watanabe Experimental and Numerical Investigation of 2D Palisade Flutter for the Harmonic Oscillations vi Experimental Flutter Investigations of an Annular Compressor Cascade: Influence of Reduced Frequency on Stability 77 Part II Forced Response Unsteady Gust Response in the Frequency Domain 95 A. Filippone Axial Turbine Blade Vibrations Induced by the Stator Flow 107 M. B. Schmitz, O. Schäfer, J. Szwedowicz, T. Secall-Wimmel , T. P. Sommer Mistuning and Coupling Effects in Turbomachinery Bladings 119 Gerhard Kahl Evaluation of the Principle of Aerodynamic Superposition in Forced Response Calculations 133 Comparison of Models to Predict Low Engine Order Excitation in a High Pressure Turbine Stage 145 Markus Jöcker, Alexandros Kessar, Torsten H. Fransson, Gerhard Kah, Hans-Jürgen Rehder Experimental Reduction of Transonic Fan Forced Response by IGV Flow Control 161 S. Todd Bailie, Wing F. Ng, William W. Copenhaver Part III Multistage Effects Unsteady Aerodynamic Work on Oscillating Annular Cascades in Counter Rotation 177 M. Namba , K. Nanba Structure of Unsteady Vortical Wakes behind Blades of Mutual-Moving Rows of an Axial Turbomachine 189 V. E .Saren, S.A. Smirnov Joachim Belz and Holger Hennings Stefan Schmitt , Dirk Nürnberger , Volker Carstens [ Pobierz całość w formacie PDF ] |