4,357 research outputs found

    Wind tunnel wall interference (January 1980 - May 1988): A selected, annotated bibliography

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    This selected bibliography lists 423 entries on the subject of wall interference during testing in wind tunnels. It is the third in a series of bibliographies on the subject. The first, NASA TM-87639, August 1986, is concerned with the reduction of wall interference by the use of adaptive walls. The second, NASA TP-89066, December 1986, is on wall interference in V/STOL and high lift testing. This, the third in the series, covers the wall interference literature published during the period January 1980 through May 1988, generally excluding those topics covered in the first two parts

    Aerodynamic aircraft design methods and their notable applications: Survey of the activity in Japan

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    An overview of aerodynamic aircraft design methods and their recent applications in Japan is presented. A design code which was developed at the National Aerospace Laboratory (NAL) and is in use now is discussed, hence, most of the examples are the result of the collaborative work between heavy industry and the National Aerospace Laboratory. A wide variety of applications in transonic to supersonic flow regimes are presented. Although design of aircraft elements for external flows are the main focus, some of the internal flow applications are also presented. Recent applications of the design code, using the Navier Stokes and Euler equations in the analysis mode, include the design of HOPE (a space vehicle) and Upper Surface Blowing (USB) aircraft configurations

    Wind tunnel wall interference in V/STOL and high lift testing: A selected, annotated bibliography

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    This bibliography, with abstracts, consists of 260 citations of interest to persons involved in correcting aerodynamic data, from high lift or V/STOL type configurations, for the interference arising from the wind tunnel test section walls. It provides references which may be useful in correcting high lift data from wind tunnel to free air conditions. References are included which deal with the simulation of ground effect, since it could be viewed as having interference from three tunnel walls. The references could be used to design tests from the standpoint of model size and ground effect simulation, or to determine the available testing envelope with consideration of the problem of flow breakdown. The arrangement of the citations is chronological by date of publication in the case of reports or books, and by date of presentation in the case of papers. Included are some documents of historical interest in the development of high lift testing techniques and wall interference correction methods. Subject, corporate source, and author indices, by citation numbers, have been provided to assist the users. The appendix includes citations of some books and documents which may not deal directly with high lift or V/STOL wall interference, but include additional information which may be helpful

    Aeronautical Engineering: A special bibliography with indexes, supplement 51

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    This bibliography lists 206 reports, articles, and other documents introduced into the NASA Scientific and Technical Information System in November 1974

    A survey of the three-dimensional high Reynolds number transonic wind tunnel

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    The facilities for aerodynamic testing of airplane models at transonic speeds and high Reynolds numbers are surveyed. The need for high Reynolds number testing is reviewed, using some experimental results. Some approaches to high Reynolds number testing such as the cryogenic wind tunnel, the induction driven wind tunnel, the Ludwieg tube, the Evans clean tunnel and the hydraulic driven wind tunnel are described. The level of development of high Reynolds number testing facilities in Japan is discussed

    Aeronautical engineering: A continuing bibliography, supplement 122

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    This bibliography lists 303 reports, articles, and other documents introduced into the NASA scientific and technical information system in April 1980

    Aeronautical Engineering: A special bibliography with indexes, supplement 69

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    This bibliography lists 305 reports, articles, and other documents introduced into the NASA scientific and technical information system in March 1976

    Aeronautical engineering: A continuing bibliography with indexes (supplement 286)

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    This bibliography lists 845 reports, articles, and other documents introduced into the NASA scientific and technical information system in Dec. 1992. Subject coverage includes: design, construction and testing of aircraft and aircraft engines; aircraft components, equipment, and systems; ground support systems; and theoretical and applied aspects of aerodynamics and general fluid dynamics

    Aeronautical Engineering. A continuing bibliography with indexes, supplement 156

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    This bibliography lists 288 reports, articles and other documents introduced into the NASA scientific and technical information system in December 1982

    Aeronautical Engineering: A special bibliography with indexes, supplement 74

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    This special bibliography lists 295 reports, articles, and other documents introduced into the NASA scientific and technical information system in August 1976
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