Impulsive Noise Due to Transonic Blade-vortex Interactions PDF Download
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Author: Shyue-bin Chang
Publisher:
ISBN:
Category : Aerodynamic noise
Languages : en
Pages : 354
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Book Description
Author: Shyue-bin Chang
Publisher:
ISBN:
Category : Aerodynamic noise
Languages : en
Pages : 354
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Book Description
Author: Anastasios Sotirios Lyrintzis
Publisher:
ISBN:
Category : Aerodynamics, Transonic
Languages : en
Pages : 306
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Book Description
Author: F. H. Schmitz
Publisher:
ISBN:
Category :
Languages : en
Pages : 110
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Book Description
The theoretical and experimental status of helicopter impulsive noise is reviewed. The two major source mechanisms of helicopter impulsive noise are addressed: high-speed impulsive noise and blade-vortex interaction impulsive noise. A thorough physical explanation of both generating mechanisms is presented together with model and full-scale measurements of the phenomena. Current theoretical prediction methods are compared with experimental findings of isolated rotor tests. The noise generating mechanisms of high speed impulsive noise are fairly well understood - theory and experiment compare nicely over Mach number ranges typical of today's helicopters. For the case of blade-vortex interaction noise, understanding of noise generating mechanisms and theoretical comparison with experiment are less satisfactory. Several methods for improving theory-experiment are suggested.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 956
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Book Description
Author: Harvey H. Hubbard
Publisher:
ISBN:
Category : Aerodynamic noise
Languages : en
Pages : 616
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Book Description
Author: Xue Yu
Publisher:
ISBN:
Category :
Languages : en
Pages : 346
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Book Description
Author:
Publisher:
ISBN:
Category : Shock (Mechanics)
Languages : en
Pages : 594
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Book Description
Author:
Publisher:
ISBN:
Category : Military research
Languages : en
Pages : 644
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Book Description
Author: United States. Army Research Office
Publisher:
ISBN:
Category : Military research
Languages : en
Pages : 316
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Book Description
Vols. for 1977- consist of two parts: Chemistry, biological sciences, engineering sciences, metallurgy and materials science (issued in the spring); and Physics, electronics, mathematics, geosciences (issued in the fall).
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
