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เนื้อหาย่อ : al Approach Learning Tools ontent Changes The sixth edition of Fluid Mechanics sees some additions and deletions but no philosophical change. The basic outline of eleven chapters, plus appendices, remains the same. The triad of integral, differential, and experimental approaches is retained. Many problem exercises, and some fully worked examples, have been changed. The informal, student-oriented style is retained. A number of new pho- tographs and figures have been added. Many new references have been added, for a total of 418. The writer is a firm believer in "further reading," especially in the postgraduate years. The total number of problem exercises continues to increase, from 1089 in the first edition, to 1674 in this sixth edition. Most of these are basic end-of chapter problems, classified according to topic. There are also Word Problems, multiple-choice Funda- mentals of Engineering Problems, Comprehensive Problems, and Design Projects. The appendix lists approximately 700 Answers to Selected Problems. The example prob- lems have been newly restructured in the text, following the sequence of steps out- lined in Section 1.3. The Engineering Equation Solver (EES), described in Appendix E, is bound-in with the text and continues its role as an attractive tool for fluid mechanics and, indeed, other engineering problems. Not only is it an excellent solver, but it also contains thermophysical properties, publication-quality plotting, units checking, and many mathematical functions. The author is indebted to Sanford Klein and William Beck- man, of the University of Wisconsin, for invaluable and continuous help in preparing and updating EES for use in this text. There are some revisions in each chapter. Chapter 1 has been revised so that the his- tory of fluid mechanics comes earlier, in Section 1.2. Problem-solving techniques have been moved to Section 1.3. The discussion of the velocity field, Section 1.7, has been shortened, and the mathematical material moved to Chapter 4. The brief but useful discussion of nonnewtonian fluids has been improved. A reviewer helped the author improve the treatment of experimental uncertainty, Section 1.13. The discussion of the Fundamentals of Engineering (FE) Exam has been updated, and the text contains 85 FE-type problems.