Introduction to Flight 8th Edition
The purpose of the present edition is the same as that of the first seven: to present the basic fundamentals of aerospace engineering at the introductory level in the clearest, simplest, and most motivating way possible. Because the book is meant to be enjoyed as well as understood, I have made every effort to ensure a clear and readable text. The choice of subject matter and its organization, the order in which topics are introduced, and how these ideas are explained have been carefully planned with the uninitiated reader in mind. I simply put myself in the shoes of the reader who has no knowledge of the subject matter, ask myself how I would want to hear about the subject, and then start “talking” to the reader. Because the book is intended as a self-contained text at the first- and second-year levels, I avoid tedious details and massive “handbook” data. Instead, I introduce and discuss fundamental concepts in a manner that is as straightforward and clean-cut as possible, knowing that the book has also found favor with those who wish to learn something about this subject outside the classroom.
The overwhelmingly favorable response to the earlier editions from students, teachers, and practicing professionals both here and abroad is a source of gratification. Particularly pleasing is the fact that those using the book have enjoyed reading its treatment of the fascinating, challenging, and sometimes awesome discipline of aerospace engineering.
Thanks to this response, much of the content of the seventh edition has been carried over into the eight edition. A hallmark of this book is the use of specially designed devices to enhance the reader’s understanding of the material. In particular, these features are carried over from the seventh edition:
1. Road maps placed at the beginning of each chapter help guide the reader through the logical fl ow of the material.
2. Design boxes discuss interesting and important applications of the fundamental material; this matrial is literally set apart in boxes.
3. Preview boxes at the chapter beginnings give the reader insight into what each chapter is about and why the material is important. I intend the preview boxes to be motivational, to make the reader interested and curious enough to pay close attention to the content of the chapter. These preview boxes are written in an informal manner to help turn the reader on to the content. In these preview boxes, I am unabashedly admitting to providing fun for the readers.
4. Summary and Review sections at the end of the chapters contain the important ideas and concepts presented in each chapter, fi rst without equations, to remind readers about the physical aspects of the material and to provide a focused intellectual background for the equations that are then summarized at the end of the section.
In the same spirit, the eighth edition contains new material intended to enhance the education and interest of the reader:
1. Two new sections, Section 6.22, “Quest for Aerodynamic Effi ciency,” and Section 9.12, “Quest for Engine Effi ciency,” are added to provide a look into the future for new, effi cient aircraft, with implications for a future “green airplane.”
2. A new Section 8.7, “An Application: The Voyager Spacecraft—Their Design, Flight Trajectories, and Historical Signifi cance,” has been added to highlight these important space vehicles and their missions.
3. Some additional worked examples are supplied to further help readers to understand how to use what they have been reading.
4. Some additional homework problems grace the end of some chapters. An answer key is placed at the end of the book for selected homework problems.
All told, the new material represents a meaningful enhancement of
To allow space for this new material in the eighth edition, without inordinately increasing the length of the book, some text material originally in Chs. 6, 8, and 9 has been removed from the eighth edition and placed on the book’s website.
At the University of Maryland this text is used for an introductory course for sophomores in aerospace engineering. It leads directly into a second book by the author, Fundamentals of Aerodynamics, 5th edition (McGraw- Hill, 2011), which is used in a two- semester junior-senior aerodynamics course. This, in turn, feeds into a third text, Modern Compressible Flow: With Historical Perspective, 3rd edition (McGraw-Hill, 2003), used in a course for advanced undergraduates and first-year graduate students. The complete triad is intended to give students a reasonable technical and historical perspective on aerospace engineering in general and aerodynamics in particular.
I am very grateful to Mrs. Susan Cunningham, who did such an excellent job of typing the manuscript. I am fortunate to have such dedicated and professional help from one of the best scientific typists in the world. My gratitude also goes out to my wife of 54 years, Sarah-Allen, who has helped to motivate and expedite the effort that has gone into this book. Finally, special thanks go to my very special editor, Lorraine Buczek at McGraw-Hill, whose dedication and hard work has been extremely helpful in getting this edition finished and published, and who has become a very special friend over the years. Lorraine and I form a great McGraw-Hill team.
Finally, emphasizing that the study, understanding, and practice of the profession of aerospace engineering is one of the most gratifying of human endeavors and that my purpose is to instill a sense of enthusiasm, dedication, and love of the subject, let me simply say to the reader: read, learn, and enjoy.
John D. Anderson, Jr.
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