Solving Problems in Food Engineering
Solving Problems in Food Engineering is a step by step workbook intended to enhance students' understanding of complicated concepts and to help them practice solving food engineering problems. The book covers problems in fluid flow, heat transfer, mass tr
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Stavros Yanniotis, Ph.D. Author
Solving Problems in Food Engineering
Stavros Yanniotis, Ph.D. Department of Food Science and Technology Agricultural University of Athens Athens, Greece
ISBN: 978-0-387-73513-9
eISBN: 978-0-387-73514-6
Library of Congress Control Number: 2007939831 # 2008 Springer Science+Business Media, LLC All rights reserved. This work may not be translated or copied in whole or in part without the written permission of the publisher (Springer Science+Business Media, LLC., 233 Spring Street, New York, NY10013, USA), except for brief excerpts in connection with reviews or scholarly analysis. Use in connection with any form of information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed is forbidden. The use in this publication of trade names, trademarks, service marks, and similar terms, even if they are not identified as such, is not to be taken as an expression of opinion as to whether or not they are subject to proprietary rights. Printed on acid-free paper 9 8 7 6 5 4 3 2 1 springer.com
‘‘Tell me and I will listen, Show me and I will understand Involve me and I will learn’’ Ancient Chinese Proverb
Preface
Food engineering is usually a difficult discipline for food science students because they are more used to qualitative rather than to quantitative descriptions of food processing operations. Food engineering requires understanding of the basic principles of fluid flow, heat transfer, and mass transfer phenomena and application of these principles to unit operations which are frequently used in food processing, e.g., evaporation, drying, thermal processing, cooling and freezing, etc. The most difficult part of a course in food engineering is often considered the solution of problems. This book is intended to be a step-by-step workbook that will help the students to practice solving food engineering problems. It presumes that the students have already studied the theory of each subject from their textbook. The book deals with problems in fluid flow, heat transfer, mass transfer, and the most common unit operations that find applications in food processing, i.e., thermal processing, cooling and freezing, evaporation, psychometrics, and drying. The book includes 1) theoretical questions in the form ‘‘true’’ or ‘‘false’’ which will help the students quickly review the subject that follows (the answers to these questions are given in the Appendix); 2) solved problems; 3) semisolved problems; and 4) problems solved using a computer. With the semisolved problems the students are guided through the solution. The main steps are given, but the students will have to fill in the blank points. With this technique, food science students can practice on and solve relatively difficult food engineering problems. Some of the problems are elementary, but problems of increasing difficulty follow, so that the book will be useful to food science students and even to food engineering students. A CD is supplied with th
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