Author: R. E. Dix
Publisher:
ISBN:
Category : Aerodynamic load
Languages : en
Pages : 268
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Book Description
In a series of wind tunnel tests, measurements were made of the aerodynamic loads acting on eight different store configurations supported in and near the external captive position on a 1/20-scale model of the F-4C aircraft. Store models included blunt and contoured afterbody shapes, stable and unstable configurations, and large (pylon-mounted) and small (rack-mounted) configurations. Six components of forces and moments were measured using two methods of supporting the store models: an internal bracket support technique (IBS), and a dual sting support technique. Some characteristics of the interference flow field of the aircraft were also inferred.
Author: R. E. Dix
Publisher:
ISBN:
Category : Aerodynamic load
Languages : en
Pages : 122
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Book Description
Author: A. R. Maddox
Publisher:
ISBN:
Category : Loads (Mechanics).
Languages : en
Pages : 46
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 748
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Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author:
Publisher:
ISBN:
Category : Research
Languages : en
Pages : 874
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Book Description
Sections 1-2. Keyword Index.--Section 3. Personal author index.--Section 4. Corporate author index.-- Section 5. Contract/grant number index, NTIS order/report number index 1-E.--Section 6. NTIS order/report number index F-Z.
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 256
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Book Description
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 798
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Author:
Publisher:
ISBN:
Category : Government reports announcements & index
Languages : en
Pages : 1052
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Book Description
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 252
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Book Description
Author: R. E. Dix
Publisher:
ISBN:
Category : Aerodynamic load
Languages : en
Pages : 140
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Book Description
As the scale factor applied in the design of wind tunnel models is reduced, many details of the configuration being simulated are customarily omitted. A series of experiments was conducted in the Aerodynamic Wind Tunnel (4T) of the Propulsion Wind Tunnel Facility at the Arnold Engineering Development Center to evaluate the effect on captive store loading of model details such as sway braces and mounting gaps existing between store and aircraft components. Six components of aerodynamic loads acting on both pylon- and rack-mounted stores in the captive position were measured, a limited number of store separation trajectories was predicted using the captive trajectory system, and a brief comparison of wind tunnel and in-flight measurements of captive loads was made. It was determined that the effects of mounting gaps or flow ventilation passages were generally small, but that sway braces can significantly influence both captive loads and separation trajectories. It was also observed that better agreement between wind tunnel and in-flight measurements of captive store loading resulted when mounting gaps and sway braces were simulated on the wind-tunnel models. (Author).
