Mine ventilation and air conditioning PDF
Preview Mine ventilation and air conditioning
MINE VENTILATION AND AIR CONDITIONING MINE VENTILATION AND AIR CONDITIONING THIRD EDITION Howard L. Hartman The University of Alabama (Emeritus) Jan M. Mutmansky The Pennsylvania State University Raja V. Ramani The Pennsylvania State University Y. J. Wang West Virginia University A WILEY-INTERSCIENCE PUBLICATION JOHN WILEY & SONS, INC. Nevy York • Chichester • Weinheim • Brisbane • Singapore • Toronto This book is printed on acid-free paper. @ Copyright © 1997 by John Wiley & Sons, Inc. All rights reserved. Published simultaneously in Canada. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, scanning or otherwise, except as permitted under Sections 107 or 108 of the 1976 United States Copyright Act, without either the prior written permission of the Publisher, or authorization through payment of the appropriate per-copy fee to the Copyright Clearance Center, 222 Rosewood Drive, Danvers, MA 01923, (978) 750-8400, fax (978) 750-4470. Requests to the Publisher for permission should be addressed to the Permissions Department, John Wiley & Sons, Inc., Ill River Street, Hoboken, NJ 07030, (201) 748-6011, fax (201) 748-6008. Library of Congress Cataloging in Publication Data: Mine ventilation and air conditioning / Howard L. Hartman ... [et al.].—3rd ed. p. cm. Rev. ed. of: Mine ventilation and air conditioning / Howard L. Hartman. 2nd ed. 1991. "A Wiley-Interscience publication." Includes bibliographical references and index. ISBN 0-471-11635-1 (cloth : alk. paper) 1. Mine ventilation. 2. Air conditioning. I. Hartman, Howard L. TN301.M554 1997 622'.42—dc21 97-547 Printed in the United States of America 17 16 15 14 To our wives, Bonnie, Diane, Geetha, and Janet whose support, understanding, and patience on the home front enabled us to write this book. CONTENTS Preface ix Acknowledgments xi List of Mathematical Symbols xiii List of Map Symbols xvii PART I INTRODUCTION 1 1. Environmental Control of the Mine Atmosphere 3 2. Properties and Behavior of Air 12 PART II MINE AIR-QUALITY CONTROL 27 3. Mine Gases 29 4. Dusts and Other Mine Aerosols 77 PART III MINE VENTILATION 133 5. Airflow through Mine Openings and Ducts 135 6. Ventilation Measurements and Surveys 178 7. Mine Ventilation Circuits and Networks 240 8. Natural Ventilation 293 9. Air-Moving Equipment 320 10. Fan Application to Mines 355 11. Auxiliary Ventilation and Controlled Recirculation 405 12. Economics of Airflow 431 13. Coal Mine Ventilation Systems 455 vii VÜi CONTENTS 14. Metal Mine Ventilation Systems 524 15. Control of Mine Fires and Explosions 562 PART IV MINE AIR CONDITIONING 583 16. Heat Sources and Effects in Mines 585 17. Mine Air Conditioning Systems 619 APPENDIXES A. Reference Tables and Figures 663 B. SI Units in Mine Ventilation 676 C. Laboratory Experiments 682 D. Computer Applications and Software 686 References 690 Answers to Selected Problems 713 INDEX 721
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