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Principles of Helicopter Aerodynamics with CD Extra
Written by an internationally recognized teacher and researcher, this book provides a thorough, modern treatment of the aerodynamic principles of helicopters and other rotating-wing vertical lift aircraft such as tilt rotors and autogiros. The text begins with a unique technical history of helicopter flight, and then covers basic methods of rotor aerodynamic analysis, and related issues associated with the performance of the helicopter and its aerodynamic design. It goes on to cover more advanced topics in helicopter aerodynamics, including airfoil flows, unsteady aerodynamics, dynamic stall, and rotor wakes, and rotor-airframe aerodynamic interactions, with final chapters on autogiros and advanced methods of helicopter aerodynamic analysis. Extensively illustrated throughout, each chapter includes a set of homework problems. Advanced undergraduate and graduate students, practising engineers, and researchers will welcome this thoroughly revised and updated text on rotating-wing aerodynamics.
Astra Castra
None
Academia and Trade
This first part of a 2-volume collection comprises a collection of essays in English by leading scholars on the 19th-century Academia and Trade presenting the latest developments in international scholarship on the numismatic world in the long 19th century. In the 19th century, developments in the study and collection of coins set the cornerstone for modern numismatics. This volume comprises a collection of essays in English by international leading scholars that highlight significant figures of the 19th-century research and the state of the numismatic trade in their time. Centering around collectors and scholars of ancient, medieval, and modern numismatics, and on non-Western coinage and medals against the backdrop of the political, cultural, economic, and social changes of the era, this book presents the latest scholarship on numismatics’ contribution to the cultural history of the 19th century. This volume is essential for students and scholars alike interested in 19th -century history and the history of coins.
A History of Aeronautics
DigiCat Publishing presents to you this special edition of "A History of Aeronautics" by Evelyn Charles Vivian, W. Lockwood Marsh. DigiCat Publishing considers every written word to be a legacy of humankind. Every DigiCat book has been carefully reproduced for republishing in a new modern format. The books are available in print, as well as ebooks. DigiCat hopes you will treat this work with the acknowledgment and passion it deserves as a classic of world literature.
Diplomatic List
Directory of foreign diplomatic officers in Washington.
Diplomatic List
Directory of foreign diplomatic officers in Washington.
