NDLI: Long-range lfc transport

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Long-range lfc transport

Content Provider	NASA Technical Reports Server (NTRS)
Author	Pfenninger, Werner
Copyright Year	1987
Description	M = 0.83 Laminar Flow Control (LFC) transports, carrying large percentage payloads over a range of 20000 kilometers at cruise L/D's of 39 appear feasible with large space externally braced wings, external fuel pods, active controls, and 70 percent laminar flow on wing and tail surfaces, engine nacelles and struts, and a turbulent fuselage. A combination of a swept-forward inboard and a swept-back outer wing appears superior overall, especially for laminar flow and eliminating leading edge contamination probably caused by flyspecks and ice crystals. Wing divergence appears controllable by a combination of various methods. Wind-mounted superfans with extensive laminar flow on their nacelles appear practical. Their dominant tone noise is below the frequency range of the most strongly amplified TS-waves.
File Size	822613
Page Count	28
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19900003192
Archival Resource Key	ark:/13960/t9t19wp9j
Language	English
Publisher Date	1987-12-01
Access Restriction	Open
Subject Keyword	Aircraft Design, Testing And Performance Structural Design Transport Aircraft Reynolds Number Aircraft Design Nacelles Boundary Layer Control Flow Stability Laminar Boundary Layer Drag Reduction Laminar Flow Airfoils Tollmien-schlichting Waves Leading Edges Mach Number Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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