The Evaporation Mechanism in the Wick of Copper Heat Pipes

This book discusses the evaporation mechanism in the wick of copper heat pipes. The investigations are based on recent visualization experiments for operating horizontal flat-plate heat pipes.

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Shwin-Chung Wong

The Evaporation Mechanism in the Wick of Copper Heat Pipes

SpringerBriefs in Applied Sciences and Technology Multiphase Flow

Series editors Lixin Cheng, Portsmouth, UK Dieter Mewes, Hannover, Germany

For further volumes: http://www.springer.com/series/11897

Shwin-Chung Wong

The Evaporation Mechanism in the Wick of Copper Heat Pipes

123

Shwin-Chung Wong Department of Power Mechanical Engineering National Tsing Hua University Hsin-Chu Taiwan

ISSN 2191-530X ISSN 2191-5318 (electronic) ISBN 978-3-319-04494-1 ISBN 978-3-319-04495-8 (eBook) DOI 10.1007/978-3-319-04495-8 Springer Cham Heidelberg New York Dordrecht London Library of Congress Control Number: 2014930578  The Author(s) 2014 This work is subject to copyright. All rights are reserved by the Publisher, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed. Exempted from this legal reservation are brief excerpts in connection with reviews or scholarly analysis or material supplied specifically for the purpose of being entered and executed on a computer system, for exclusive use by the purchaser of the work. Duplication of this publication or parts thereof is permitted only under the provisions of the Copyright Law of the Publisher’s location, in its current version, and permission for use must always be obtained from Springer. Permissions for use may be obtained through RightsLink at the Copyright Clearance Center. Violations are liable to prosecution under the respective Copyright Law. The use of general descriptive names, registered names, trademarks, service marks, 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. While the advice and information in this book are believed to be true and accurate at the date of publication, neither the authors nor the editors nor the publisher can accept any legal responsibility for any errors or omissions that may be made. The publisher makes no warranty, express or implied, with respect to the material contained herein. Printed on acid-free paper Springer is part of Springer Science+Business Media (www.springer.com)

Acknowledgments

This work was funded by National Science Council, R.O.C. under Contracts NSC96-2221-E-007-059-MY2 and NSC99-2221-E-007-029-MY2.

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Contents

The Evaporation Mechanism in the Wick of Copper Heat Pipes . 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Experimental Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Results and Discussion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.1 Water in Mesh and Powder Wicks. . . .