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Development of technology for the fabrication of reliable laminar flow control panels on subsonic transportsThe feasibility of using porous composite materials (Kevlar, Doweave, and Leno Weave) as lightweight, efficient laminar flow control (LFC) surface materials is compared to the metallic 319L stainless Dynapore surfaces and electron beam drilled composite surfaces. Areas investigated include: (1) selection of the LFC-suitable surface materials, structural materials, and fabrication techniques for the LFC aircraft skins; (2) aerodynamic static air flow test results in terms of pressure drop through the LFC panel and the corresponding effective porosity; (3) structural design definition and analyses of the panels, and (4) contamination effects on static drop and effective porosity. Conclusions are presented and discussed.
Document ID
19770010095
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Date Acquired
September 3, 2013
Publication Date
October 1, 1976
Subject Category
Aircraft Design, Testing And Performance
Report/Patent Number
MDC-J4546
NASA-CR-145125
Accession Number
77N17038
Funding Number(s)
CONTRACT_GRANT: NAS1-14408
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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