Scale Effects on Aircraft and Weapon Aerodynamics (Les Effets D'Echelle Et L' Aerodynamique Des Aeronefs Et Des Systemes D' Armes). PDF Download
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 249
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Book Description
The present state of knowledge on scale effects at high lift and low speeds, at transonic speeds, and on aircraft drag are presented. In addition, scale effects in various important specific scale-sensitive areas such as forebody vortex flows, the flow in and near open cavities, the flow into an air intake, the flow over propellers, and on ice accretion simulation testing are discussed. The emphasis is on scale effects that have been observed in flight-tunnel comparisons for specific aircraft. It is concluded that much has been learned about scale effects: however, precise prediction can still be difficult. Twenty recommendations for further research are mentioned. This AGARDograph has been produced at the request of the Fluid Dynamics Panel of AGARD.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 249
Get Book Here
Book Description
The present state of knowledge on scale effects at high lift and low speeds, at transonic speeds, and on aircraft drag are presented. In addition, scale effects in various important specific scale-sensitive areas such as forebody vortex flows, the flow in and near open cavities, the flow into an air intake, the flow over propellers, and on ice accretion simulation testing are discussed. The emphasis is on scale effects that have been observed in flight-tunnel comparisons for specific aircraft. It is concluded that much has been learned about scale effects: however, precise prediction can still be difficult. Twenty recommendations for further research are mentioned. This AGARDograph has been produced at the request of the Fluid Dynamics Panel of AGARD.
Author: A. B. Haines
Publisher:
ISBN:
Category : Aerodynamics
Languages : en
Pages : 276
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Author: North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Fluid Dynamics Panel
Publisher:
ISBN: 9789283505518
Category : Airplanes, Military
Languages : en
Pages :
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Book Description
Author: Patrick A. Gainer
Publisher:
ISBN:
Category : Aerodynamics
Languages : en
Pages : 40
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Book Description
Author: Victor L. Peterson
Publisher:
ISBN:
Category : Aerodynamic load
Languages : en
Pages : 64
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Book Description
Author: Fred W. Martin
Publisher:
ISBN:
Category : Cross-flow (Aerodynamics)
Languages : en
Pages : 66
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Book Description
The complexity of the flow field beneath an aircraft with external stores is examined analytically. Equations are produced for computing store separation trajectories, based on mutual interference flow fields between the aircraft and the store. The circle theorem and the small disturbances theory are used in establishing the perturbations responsible for the flow field interference. (Author).
Author: Ernest L. Black
Publisher:
ISBN:
Category : Aerodynamics
Languages : en
Pages : 204
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Author: K. C. Hackett
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Douglas Aircraft Company
Publisher:
ISBN:
Category : Aerodynamics, Supersonic
Languages : en
Pages : 124
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Book Description
$EVERAL TOPICS RELATING TO THE REDUCTION OF DRAG DUE TO LIFT AT SUPERSONIC SPEEDS ARE DISCUSSED. The distribution of camber for optimial loading of diamond planform wings and some low drag geometries for rectangular wings are determined. It appears that substantial drag reduction, through the use of spanwise distribution of camber, may be achieved only for low reduced aspect ratios, M2-1 AR. The distribution of lift throughout volumes of prescribed shape is considered and some optimum distributions found for certain cases. It is shown that optimum spatial distributions of lift arc generally not unique. The possibility of using biplanes is explored and it is concluded that for non-interfering biplanes (wings acting as isolated monoplanes) there is an inherent structural advantage which is the result of a scale effect for geometrically similar structures The preacnt status of means for drag reduction is surveyed and the direction for further study indicated.
Author: Karl Dawson Wood
Publisher:
ISBN:
Category : Aerodynamics
Languages : en
Pages : 356
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Book Description
