Wind Tunnel Design for Testing V/STOL Aircraft in Transition Flight PDF Download
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Author: Richard A. Kroeger
Publisher:
ISBN:
Category :
Languages : en
Pages : 103
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Book Description
Wind tunnels have afforded the best potential for studying regions of aerodynamic uniqueness of V/STOL aircraft, but they have been of limited value because of the magnitude of the flow interference they introduce. A new wind tunnel concept is described for covering the spectrum of transition testing from hover throughout wing sustained flight. The wall interference corrections are physically produced by the structure of the wall. A small scale tunnel was designed, constructed, and tested employing this concept. Data from a small rotor model were obtained in the new tunnel and a large conventional one as a basis for comparative evaluation. (Author).
Author: Richard A. Kroeger
Publisher:
ISBN:
Category :
Languages : en
Pages : 103
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Book Description
Wind tunnels have afforded the best potential for studying regions of aerodynamic uniqueness of V/STOL aircraft, but they have been of limited value because of the magnitude of the flow interference they introduce. A new wind tunnel concept is described for covering the spectrum of transition testing from hover throughout wing sustained flight. The wall interference corrections are physically produced by the structure of the wall. A small scale tunnel was designed, constructed, and tested employing this concept. Data from a small rotor model were obtained in the new tunnel and a large conventional one as a basis for comparative evaluation. (Author).
Author: Alan Pope
Publisher: Wiley-Interscience
ISBN:
Category : Science
Languages : en
Pages : 562
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Book Description
Good,No Highlights,No Markup,all pages are intact, Slight Shelfwear,may have the corners slightly dented, may have slight color changes/slightly damaged spine.
Author: Mark W. Kelly
Publisher:
ISBN:
Category :
Languages : en
Pages : 60
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 78
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 86
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Author: HENRY E. III. PAYNE
Publisher:
ISBN:
Category :
Languages : en
Pages : 1
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Book Description
A compilation of available experimental and analytical data is presented, dealing with the effects of propellers (and rotors) on V/STOL take-off and transition flight. Since the majority of the experimental work was conducted with small-scale propellers/rotors, considerable effort was expended to demonstrate the applicability of these data to full-scale propellers. The dependence of take-off performance on blade Reynold's number and tip Mach number is described. Recent results from the Navy flying wind tunnel have conclusively indicated the dependence of model V/STOL transition flight data on the character of the model test facility. Therefore, the correlation of model vs. fullscale propeller/rotor transition data was impossible because of the non-availability of accurate full-scale results. Data are presented describing identical tests run on the airship and in three different wind tunnels. A brief analytical treatment is described which might enable more work to proceed to correct for wall interference. In addition, the experimental techniques used to obtain accurate low velocity measurements and to obtain vibration-free straingage traces are briefly described. (Author).
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 64
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1126
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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: M. F. Platzer
Publisher:
ISBN:
Category : Short take-off and landing aircraft
Languages : en
Pages : 548
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Book Description
Author: United States. National Aeronautics and Space Administration
Publisher:
ISBN:
Category :
Languages : en
Pages : 792
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Book Description
