Download A History of Suction-Type Laminar-Flow Control with Emphasis by Albert L. Braslow, NASA History Division PDF

By Albert L. Braslow, NASA History Division

First released in 1999 as quantity thirteen within the NASA "Monograph in Aerospace background" sequence. This examine comprises images and illustrations.

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Read or Download A History of Suction-Type Laminar-Flow Control with Emphasis on Flight Research. Monograph in Aerospace History, No. 13, 1999 PDF

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Additional info for A History of Suction-Type Laminar-Flow Control with Emphasis on Flight Research. Monograph in Aerospace History, No. 13, 1999

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Powell, S. R. Lacey, Feasibility and Benefits of Laminar Flow Control on Supersonic Cruise Airplanes (Washington, DC: NASA Contractor Report 181817, July 1989); Boeing Commercial Airplane Company, Application of Laminar Flow Control to Supersonic Transport Configurations (Washington, DC: NASA Contractor Report 181917, July 1990). 94 NASA flight-test participants were: Dana Purifoy and Mark P. Stucky, research pilots; Marta R. Bohn-Meyer and Carol A. Reukauf, project managers; Michael P. Harlow, aircraft crew chief; Lisa J.

NASA photo EC96-43831-5 by Jim Ross). sonic-LFC implementation. Although promising conclusions were reached, the studies indicated the need for additional research and development specific to the supersonic application. 94 Under LFC Project Office management, the Rockwell Corporation and the Boeing Company manufactured and installed the glove and the Boeing and Douglas Companies supported DFRC with the flight research and analysis. Specific objectives were to determine the capability of active LFC to obtain a large chordwise extent of laminar flow on a highly-swept wing at supersonic speeds and to provide validated computational codes, design methodology, and initial suction-system design criteria for application to supersonic transport aircraft.

82 Examples of additional complexities associated with suction over the wing box include: manufacture of a structural box of sufficient strength and light weight with slots or perforations over a much more extensive area of the wing skin; extensive internal suction ducting that decreases the internal wing volume available for storage of airplane fuel; larger suction pump(s) than otherwise needed; an increased difficulty in providing the required surface smoothness and fairness for maintenance of laminar flow over inspection panels in slotted or perforated surfaces when laminarization of both upper and lower surfaces is desired; and a need to avoid hazards due to possible leakage of fuel into the suction ducting.

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