Handbook for Heat Exchangers and Tube Banks design
When a heating fluid transfers heat to a heated fluid through a wall, if the fluids are in parallel flow or counter flow it is possible to compute exactly both the transferred heat and the temperatures of the fluids via well-known equations. This holds tr
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Donatello Annaratone
Handbook for Heat Exchangers and Tube Banks Design
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Prof. Donatello Annaratone Via Ceradini 14 20129 Milano Italy [email protected]
ISBN 978-3-642-13308-4 e-ISBN 978-3-642-13309-1 DOI 10.1007/978-3-642-13309-1 Springer Heidelberg Dordrecht London New York Library of Congress Control Number: 2010930772 © Springer-Verlag Berlin Heidelberg 2010 This work is subject to copyright. All rights are reserved, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilm or in any other way, and storage in data banks. Duplication of this publication or parts thereof is permitted only under the provisions of the German Copyright Law of September 9, 1965, in its current version, and permission for use must always be obtained from Springer. Violations are liable to prosecution under the German Copyright Law. The use of general descriptive names, registered names, trademarks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. Cover design: WMXDesign GmbH, Heidelberg Printed on acid-free paper Springer is part of Springer Science+Business Media (www.springer.com)
Preface
The recently published book by the author, “Engineering Heat Transfer”, already dealt with exact computation of heat exchangers and tube banks. In design computation this is accomplished via corrective factors; the latter makes it possible to compute the actual mean temperature difference by starting from the logarithmic one relative to fluids in parallel flow or counter flow. As far as verification computation is concerned, corrective factors were introduced to compute a certain characteristic factor correctly, as is fundamental for this type of computation. Based on the above, the author decided to investigate further, refine, and widen this topic: the outcome of this work has resulted in this handbook. New types of exchangers were examined; the calculation was refined to produce practically exact values for the factors. The scope of the investigation was increased by widening the range of the starting factors. Furthermore, a greater number of values to be included in the tables was considered. Finally, a few characteristics of certain values of the corrective factors were highlighted. The first section is an introduction; it summarizes the fundamental criteria of heat transfer and proceeds to illustrate the behavior of fluids in both parallel and counter flow. It also shows how to compute the mean isobaric specific heat for some fluids; it illustrates the significance of design computation and verification computation. In addition, it illustrates how to proceed with heat exchangers and tube banks to carry out both design and verification computation correctly. Appendix A then includes 36 tables as a reference for design computation, The tables contain the c
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