The Rotor Wake in Ground Effect and Its Investigation in a Wind Tunnel PDF Download
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Author: Nita Darshini Nathan
Publisher:
ISBN:
Category : Rotors (Helicopters)
Languages : en
Pages : 265
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Book Description
Author: Nita Darshini Nathan
Publisher:
ISBN:
Category : Rotors (Helicopters)
Languages : en
Pages : 265
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Book Description
Author: Robert J. Huston
Publisher:
ISBN:
Category : Helicopters
Languages : en
Pages : 44
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Book Description
An investigation was conducted in the Langley full-scale tunnel to study the aerodynamics that produce directional-control problems for a helicopter with a tail rotor in low-speed rearward flight in ground effect. A helicopter model mounted close to the tunnel floor was tested in tail winds from 0 to 25 knots.
Author: Mark D. Betzina
Publisher:
ISBN:
Category : Aerodynamics
Languages : en
Pages : 44
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Book Description
A wind-tunnel investigation was conducted in which independent, steady-state aerodynamic forces and moments were measured on a 2.24-m-diam, two- bladed helicopter rotor and on several different bodies. The objective was to determine the mutual interaction effects for variations in velocity, thrust, tip-path-plane angle of attack, body angle of attack, rotor/body position, and body geometry. the results of the investigation show that the body longitudinal aerodynamic characteristics are significantly affected by the presence of a rotor and hub, and that the hub interference may be a major part of such interaction. This report presents the effects of various parameters on the interactions and discusses the difficulties encountered in determining the effect of the body on the rotor performance.
Author: P. Dhar
Publisher:
ISBN:
Category :
Languages : en
Pages : 70
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Book Description
Author: Julian L. Jenkins (Jr.)
Publisher:
ISBN:
Category : Rotors (Helicopters)
Languages : en
Pages : 42
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Book Description
Author: Harry H. Heyson
Publisher:
ISBN:
Category : Aerodynamics
Languages : en
Pages : 68
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Book Description
Author: John C. Wilson
Publisher:
ISBN:
Category : Helicopters
Languages : en
Pages : 226
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 26
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Book Description
Author: Andreas Dillmann
Publisher: Springer Science & Business Media
ISBN: 364235680X
Category : Technology & Engineering
Languages : en
Pages : 747
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Book Description
This volume contains the contributions to the 17th Symposium of STAB (German Aerospace Aerodynamics Association). STAB includes German scientists and engineers from universities, research establishments and industry doing research and project work in numerical and experimental fluid mechanics and aerodynamics, mainly for aerospace but also for other applications. Many of the contributions collected in this book present results from national and European Community sponsored projects. This volume gives a broad overview of the ongoing work in this field in Germany and spans a wide range of topics: airplane aerodynamics, multidisciplinary optimization and new configurations, hypersonic flows and aerothermodynamics, flow control (drag reduction and laminar flow control), rotorcraft aerodynamics, aeroelasticity and structural dynamics, numerical simulation, experimental simulation and test techniques, aeroacoustics as well as the new fields of biomedical flows, convective flows, aerodynamics and acoustics of high-speed trains.
Author: Daniel A. Griffiths
Publisher:
ISBN:
Category :
Languages : en
Pages : 304
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Book Description
