,
,TWELFTHEDITION
ENGINEERING FLUID
MECHANICS
DONALD F. ELGER
University of Idaho, Moscow
BARBARA A. LEBRET
University of Idaho, Moscow
CLAYTON T. CROWE
Washington State University, Pullman
JOHN A. ROBERSON
Washington State University, Pullman
, VP AND EDITORIAL DIRECTOR Laurie Rosatone
SENIOR DIRECTOR Don Fowley
EDITOR Jennifer Brady
EDITORIAL MANAGER Judy Howarth
CONTENT MANAGEMENT DIRECTOR Lisa Wojcik
CONTENT MANAGER Nichole Urban
SENIOR CONTENT SPECIALIST Nicole Repasky
PRODUCTION EDITOR Bharathy Surya Prakash
PHOTO RESEARCHER Simon Eckley
COVER PHOTO CREDIT © Edi_Eco/Getty Images, © blackjack/Shutterstock,
© David Gould/Photographer’s Choice RF/Getty Images,
© filippo giuliani/Shutterstock
This book was set in 10/12 Minion Pro Regular by SPi Global and printed and bound by Quad Graphics
Founded in 1807, John Wiley & Sons, Inc. has been a valued source of knowledge and understanding for more than
200 years, helping people around the world meet their needs and fulfill their aspirations. Our company is built on a
foundation of principles that include responsibility to the communities we serve and where we live and work.
In 2008, we launched a Corporate Citizenship Initiative, a global effort to address the environmental, social, economic,
and ethical challenges we face in our business. Among the issues we are addressing are carbon impact, paper
specifications and procurement, ethical conduct within our business and among our vendors, and community and
charitable support. For more information, please visit our website: www.wiley.com/go/citizenship.
Copyright © 2019, 2016, 2013, 2009, 2005 John Wiley & Sons, Inc. All rights reserved. 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, Inc., 222 Rosewood Drive, Danvers,
MA 01923 (Web site: www.copyright.com). Requests to the Publisher for permission should be addressed to the
Permissions Department, John Wiley & Sons, Inc., 111 River Street, Hoboken, NJ 07030-5774, (201) 748-6011, fax
(201) 748-6008, or online at: www.wiley.com/go/permissions.
Evaluation copies are provided to qualified academics and professionals for review purposes only, for use in their
courses during the next academic year. These copies are licensed and may not be sold or transferred to a third party.
Upon completion of the review period, please return the evaluation copy to Wiley. Return instructions and a free of
charge return shipping label are available at: www.wiley.com/go/returnlabel. If you have chosen to adopt this textbook
for use in your course, please accept this book as your complimentary desk copy. Outside of the United States, please
contact your local sales representative.
ISBN: 978-1-119-49691-5 (PBK)
ISBN: 978-1-119-49689-2 (EVALC)
Library of Congress Cataloging-in-Publication Data
Names: Roberson, John A., author. | Elger, D. F., author. | Crowe, C. T.
(Clayton T.), author.
Title: Engineering fluid mechanics / Donald F. Elger, University of Idaho,
Moscow, Barbara A. LeBret, University of Idaho, Moscow, Clayton T. Crowe,
Washington State University, Pullman, John A. Roberson, Washington State
University, Pullman.
Description: Twelfth edition. | Hoboken, NJ : Wiley, [2019] | Originally
published: Engineering fluid mechanics / John A. Roberson and Clayton T.
Crowe. 1975. | Includes bibliographical references and index. |
Identifiers: LCCN 2018052473 (print) | LCCN 2018053845 (ebook) | ISBN
9781119496885 (Adobe PDF) | ISBN 9781119496816 (ePub) | ISBN 9781119496915
(pbk) | ISBN 9781119496892 (eval)
Subjects: LCSH: Fluid mechanics.
Classification: LCC TA357 (ebook) | LCC TA357 .R6 2019 (print) | DDC
620.1/06—dc23
LC record available at https://lccn.loc.gov/2018052473
The inside back cover will contain printing identification and country of origin if omitted from this page. In addition, if
the ISBN on the back cover differs from the ISBN on this page, the one on the back cover is correct.
,TWELFTHEDITION
ENGINEERING FLUID
MECHANICS
DONALD F. ELGER
University of Idaho, Moscow
BARBARA A. LEBRET
University of Idaho, Moscow
CLAYTON T. CROWE
Washington State University, Pullman
JOHN A. ROBERSON
Washington State University, Pullman
, VP AND EDITORIAL DIRECTOR Laurie Rosatone
SENIOR DIRECTOR Don Fowley
EDITOR Jennifer Brady
EDITORIAL MANAGER Judy Howarth
CONTENT MANAGEMENT DIRECTOR Lisa Wojcik
CONTENT MANAGER Nichole Urban
SENIOR CONTENT SPECIALIST Nicole Repasky
PRODUCTION EDITOR Bharathy Surya Prakash
PHOTO RESEARCHER Simon Eckley
COVER PHOTO CREDIT © Edi_Eco/Getty Images, © blackjack/Shutterstock,
© David Gould/Photographer’s Choice RF/Getty Images,
© filippo giuliani/Shutterstock
This book was set in 10/12 Minion Pro Regular by SPi Global and printed and bound by Quad Graphics
Founded in 1807, John Wiley & Sons, Inc. has been a valued source of knowledge and understanding for more than
200 years, helping people around the world meet their needs and fulfill their aspirations. Our company is built on a
foundation of principles that include responsibility to the communities we serve and where we live and work.
In 2008, we launched a Corporate Citizenship Initiative, a global effort to address the environmental, social, economic,
and ethical challenges we face in our business. Among the issues we are addressing are carbon impact, paper
specifications and procurement, ethical conduct within our business and among our vendors, and community and
charitable support. For more information, please visit our website: www.wiley.com/go/citizenship.
Copyright © 2019, 2016, 2013, 2009, 2005 John Wiley & Sons, Inc. All rights reserved. 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, Inc., 222 Rosewood Drive, Danvers,
MA 01923 (Web site: www.copyright.com). Requests to the Publisher for permission should be addressed to the
Permissions Department, John Wiley & Sons, Inc., 111 River Street, Hoboken, NJ 07030-5774, (201) 748-6011, fax
(201) 748-6008, or online at: www.wiley.com/go/permissions.
Evaluation copies are provided to qualified academics and professionals for review purposes only, for use in their
courses during the next academic year. These copies are licensed and may not be sold or transferred to a third party.
Upon completion of the review period, please return the evaluation copy to Wiley. Return instructions and a free of
charge return shipping label are available at: www.wiley.com/go/returnlabel. If you have chosen to adopt this textbook
for use in your course, please accept this book as your complimentary desk copy. Outside of the United States, please
contact your local sales representative.
ISBN: 978-1-119-49691-5 (PBK)
ISBN: 978-1-119-49689-2 (EVALC)
Library of Congress Cataloging-in-Publication Data
Names: Roberson, John A., author. | Elger, D. F., author. | Crowe, C. T.
(Clayton T.), author.
Title: Engineering fluid mechanics / Donald F. Elger, University of Idaho,
Moscow, Barbara A. LeBret, University of Idaho, Moscow, Clayton T. Crowe,
Washington State University, Pullman, John A. Roberson, Washington State
University, Pullman.
Description: Twelfth edition. | Hoboken, NJ : Wiley, [2019] | Originally
published: Engineering fluid mechanics / John A. Roberson and Clayton T.
Crowe. 1975. | Includes bibliographical references and index. |
Identifiers: LCCN 2018052473 (print) | LCCN 2018053845 (ebook) | ISBN
9781119496885 (Adobe PDF) | ISBN 9781119496816 (ePub) | ISBN 9781119496915
(pbk) | ISBN 9781119496892 (eval)
Subjects: LCSH: Fluid mechanics.
Classification: LCC TA357 (ebook) | LCC TA357 .R6 2019 (print) | DDC
620.1/06—dc23
LC record available at https://lccn.loc.gov/2018052473
The inside back cover will contain printing identification and country of origin if omitted from this page. In addition, if
the ISBN on the back cover differs from the ISBN on this page, the one on the back cover is correct.
