Transonic Wind Tunnel Wall Interference Corrections for Three-dimensional Models PDF Download
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Author: Magdi H. Rizk
Publisher:
ISBN:
Category :
Languages : en
Pages : 11
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Book Description
Author: Magdi H. Rizk
Publisher:
ISBN:
Category :
Languages : en
Pages : 11
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Book Description
Author: B. F. R. Ewald
Publisher:
ISBN:
Category : Aerodynamics
Languages : en
Pages : 578
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Book Description
This report was compiled by an international team of wind tunnel wall correction experts. It presents the present state of the art in wind tunnel wall corrections with a special emphasis given to the description of modern wall correction methods based on Computational Fluid Dynamics. This AGARDograph was planned by the AGARD Fluid Dynamics Panel to be a modern sequel of the successful AGARDograph 109 "Subsonic Wind Tunnel Wall Corrections", which was published in 1966. AGARDogaph 109 is still valid and continues to be used to provide wall corrections in many wind tunnels. Nevertheless, in the thirty two years since the publication of AGARDograph 109, much work has been done on the subject, and the influence of the new tool of numerical fluid dynamics was so strong, that a sequel to AGARDograph 109 was considered to be necessary.
Author: Marie H. Tuttle
Publisher:
ISBN:
Category : Interference (Aerodynamics)
Languages : en
Pages : 96
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Book Description
Author: Travis W. Binion (Jr.)
Publisher:
ISBN:
Category : Mach number
Languages : en
Pages : 88
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Book Description
Author: Sune B. Berndt
Publisher:
ISBN:
Category :
Languages : en
Pages : 16
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Book Description
The objective of the now concluded research has been to make possible the accurate computation of slotted walls interference in transonic wind-tunnels. This has been achieved through studying experimentally the flow at and through slotted walls and through developing theoretical models for such flows. The final result is a homogenous wall boundary condition to be used when computing numerically the three-dimensional transonic flow around a wind-tunnel model, be it to determine the interference from the test-section walls or to adjust the wall parameters for zero interference. The boundary condition is of rather general applicability, admitting great freedom in the choice of slot geometry and facilitating the inclusion of corrections for viscous effects, such as disclosed by the experiments. (Author).
Author: B. H. Goethert
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 420
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Book Description
Numerous aspects of transonic aerodynamics include wall interference corrections in conventional wind tunnels, subsonic flow in a variety of wind tunnels, and test results from transonic wind tunnels. 1961 edition.
Author: Henry Clifford Garner
Publisher:
ISBN:
Category : Wind tunnel walls
Languages : en
Pages : 704
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Book Description
Author: Marie H. Tuttle
Publisher:
ISBN:
Category :
Languages : en
Pages : 98
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Book Description
Author: T. W Binion (Jr)
Publisher:
ISBN:
Category :
Languages : en
Pages : 84
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Book Description
This report presents the results of an experimental program to measure the wall interference effects on an idealized lifting model in the Mach number range from 0.6 to 1.3. The interference phenomena were evaluated by direct comparisons of data obtained in the Propulsion Wind Tunnel (16T) and the Aerodynamic Wind Tunnel (4T) at identical test conditions. The results show how a flow angularity which is apparently a function of model attitude and configuration can be induced into the tunnel flow field and be misconstrued as an upwash interference. The porosity schedule currently used in Tunnel 4T is studied for blockage interference. (Modified author abstract).
Author: Robert S. Swanson
Publisher:
ISBN:
Category : Air flow
Languages : en
Pages : 45
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Book Description
Detailed methods are presented for determining the corrections to results from wind-tunnel tests of three-dimensional models for the effects of the model-support system, the nonuniform air flow in the tunnel, and the tunnel walls or jet boundaries. The procedures for determining the corrections are illustrated by equations and the required tests are discussed. Particular attention is given to the parts of the procedures dealing with drag measurements. Two general methods that are used for determining and applying the corrections to force tests are discussed. Some discussion is also included of the correction procedures to be used for wake survey tests. The methods described in this report apply only to tests at subcritical speeds.
