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Author: Andrew Nahum
Publisher: University of Michigan Press
ISBN: 9781900747127
Category : Technology & Engineering
Languages : en
Pages : 70
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Book Description
The rotary aero engine has always fascinated aviation historians and enthusiasts. When the 50hp Gnome appeared in 1908, it was the most powerful engine for its weight available and was used by almost all the notable pioneers to set records for height, speed and endurance. Rotaries also played a key role in the First World War, powering many of the famous 'fighting scouts' such as the Sopwith Camel and Fokker Monoplane. In this book, Andrew Nahum gives an original and well-argued explanation, showing that rotary development was limited by a 'power ceiling' which was a basic consequence of design.
Author: Andrew Nahum
Publisher: University of Michigan Press
ISBN: 9781900747127
Category : Technology & Engineering
Languages : en
Pages : 70
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Book Description
The rotary aero engine has always fascinated aviation historians and enthusiasts. When the 50hp Gnome appeared in 1908, it was the most powerful engine for its weight available and was used by almost all the notable pioneers to set records for height, speed and endurance. Rotaries also played a key role in the First World War, powering many of the famous 'fighting scouts' such as the Sopwith Camel and Fokker Monoplane. In this book, Andrew Nahum gives an original and well-argued explanation, showing that rotary development was limited by a 'power ceiling' which was a basic consequence of design.
Author: Teun Koetsier
Publisher: Springer Science & Business Media
ISBN: 9400741324
Category : Technology & Engineering
Languages : en
Pages : 590
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Book Description
This book contains the proceedings of HMM2012, the 4th International Symposium on Historical Developments in the field of Mechanism and Machine Science (MMS). These proceedings cover recent research concerning all aspects of the development of MMS from antiquity until the present and its historiography: machines, mechanisms, kinematics, dynamics, concepts and theories, design methods, collections of methods, collections of models, institutions and biographies.
Author: Calum E. Douglas
Publisher: HarperTempest
ISBN: 9781911658870
Category : History
Languages : en
Pages : 480
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Book Description
The piston engines that powered Second World War fighters, the men who designed them, and the secret intelligence work carried out by both Britain and Germany would determine the outcome of the first global air war. Advanced jet engines may have been in development but every militarily significant air battle was fought by piston-engined fighters. Whoever designed the most powerful piston engines would win air superiority and with it the ability to dictate the course of the war as a whole. This is the never before told story of a high-tech race, hidden behind the closed doors of design offices and intelligence agencies, to create the war's best fighter engine. Using the fruits of extensive research in archives around the world together with the previously unpublished memoirs of fighter engine designers, author Calum E. Douglas tells the story of a desperate contest between the world's best engineers - the Secret Horsepower Race.
Author: Antonio Filippone
Publisher: Elsevier
ISBN: 0080461034
Category : Technology & Engineering
Languages : en
Pages : 594
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Book Description
Calculation and optimisation of flight performance is required to design or select new aircraft, efficiently operate existing aircraft, and upgrade aircraft. It provides critical data for aircraft certification, accident investigation, fleet management, flight regulations and safety. This book presents an unrivalled range of advanced flight performance models for both transport and military aircraft, including the unconventional ends of the envelopes. Topics covered include the numerical solution of supersonic acceleration, transient roll, optimal climb of propeller aircraft, propeller performance, long-range flight with en-route stop, fuel planning, zero-gravity flight in the atmosphere, VSTOL operations, ski jump from aircraft carrier, optimal flight paths at subsonic and supersonic speed, range-payload analysis of fixed- and rotary wing aircraft, performance of tandem helicopters, lower-bound noise estimation, sonic boom, and more.This book will be a valuable text for undergraduate and post-graduate level students of aerospace engineering. It will also be an essential reference and resource for practicing aircraft engineers, aircraft operations managers and organizations handling air traffic control, flight and flying regulations, standards, safety, environment, and the complex financial aspects of flying aircraft. - Unique coverage of fixed and rotary wing aircraft in a unified manner, including optimisation, emissions control and regulation. - Ideal for students, aeronautical engineering capstone projects, and for widespread professional reference in the aerospace industry. - Comprehensive coverage of computer-based solution of aerospace engineering problems; the critical analysis of performance data; and case studies from real world engineering experience. - Supported by end of chapter exercises
Author: Andrew Nahum
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 68
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Book Description
Beskriver udviklingshistorien for roterende flymotorer
Author: National Academy of Engineering
Publisher: National Academies Press
ISBN: 0309048818
Category : Technology & Engineering
Languages : en
Pages : 88
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Book Description
Few technological advances have affected the lives and dreams of individuals and the operations of companies and governments as much as the continuing development of flight. From space exploration to package transport, from military transport to passenger helicopter use, from passenger jumbo jets to tilt-rotor commuter planes, the future of flying is still rapidly developing. The essays in this volume survey the state of progress along several fronts of this constantly evolving frontier. Five eminent authorities assess prospects for the future of rotary-wing aircraft, large passenger aircraft, commercial aviation, manned spaceflight, and defense aerospace in the post-Cold War era.
Author: Victor Wilfred Pagé
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 632
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Book Description
Author: W. Z. Stepniewski
Publisher: Courier Corporation
ISBN: 0486318516
Category : Technology & Engineering
Languages : en
Pages : 640
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Book Description
DIVClear, concise text covers aerodynamic phenomena of the rotor and offers guidelines for helicopter performance evaluation. Originally prepared for NASA. Prefaces. New Indexes. 10 black-and-white photos. 537 figures. /div
Author: National Academies of Sciences, Engineering, and Medicine
Publisher: National Academies Press
ISBN: 0309440998
Category : Technology & Engineering
Languages : en
Pages : 123
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Book Description
The primary human activities that release carbon dioxide (CO2) into the atmosphere are the combustion of fossil fuels (coal, natural gas, and oil) to generate electricity, the provision of energy for transportation, and as a consequence of some industrial processes. Although aviation CO2 emissions only make up approximately 2.0 to 2.5 percent of total global annual CO2 emissions, research to reduce CO2 emissions is urgent because (1) such reductions may be legislated even as commercial air travel grows, (2) because it takes new technology a long time to propagate into and through the aviation fleet, and (3) because of the ongoing impact of global CO2 emissions. Commercial Aircraft Propulsion and Energy Systems Research develops a national research agenda for reducing CO2 emissions from commercial aviation. This report focuses on propulsion and energy technologies for reducing carbon emissions from large, commercial aircraftâ€" single-aisle and twin-aisle aircraft that carry 100 or more passengersâ€"because such aircraft account for more than 90 percent of global emissions from commercial aircraft. Moreover, while smaller aircraft also emit CO2, they make only a minor contribution to global emissions, and many technologies that reduce CO2 emissions for large aircraft also apply to smaller aircraft. As commercial aviation continues to grow in terms of revenue-passenger miles and cargo ton miles, CO2 emissions are expected to increase. To reduce the contribution of aviation to climate change, it is essential to improve the effectiveness of ongoing efforts to reduce emissions and initiate research into new approaches.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1042
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Book Description
