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Ducted Fan Design: Volume 1 - Propulsion Physics and Design of Fans and Long-Chord Ducts Paperback – October 30, 2015
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Paperback, October 30, 2015
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About the Author
Marc de Piolenc is a long-time aviation and aerostation enthusiast with a strong interest in propulsion. George E. Wright Jr. is an aeronautical engineer, a founder of the Association of Balloon and Airship Constructors and an airship builder.
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The design example is a study in exactly missing the point of an example. An example should show concrete steps needed to get from known values to needed values, in order to clarify understanding. However, the example in the book uses arbitrary units without showing any conversions, so thrust is measured in pounds force, while velocity is measured in knots, mph, or meters/sec. It's easy enough to convert any of the units to ft/sec, then multiply by thrust and divide by 550 to get horsepower, but the book doesn't show any of that, it just says, "Thrust times free stream velocity = power, so 112 hp."
One YUUUGE shortcoming of this book is the lack of a table of equations. All equations are defined and presented only in paragraph text. The book is worth reading in entirety, but it gets very tiresome to flip forward and backward through multiple chapters to refresh one's memory when actually designing a ducted fan. For anyone who isn't a professional engineer with all of this memorized as second nature, it feels like translating a foreign language word by word.
My final thoughts: this book is the best you will find until the subject merits someone else writing a book on the subject. Until then, you may as well get this one and suffer through like I did.