Analytical, Numerical, and Experimental Results on Turbulent Boundary Layers
Analytical, Numerical, and Experimental Results on Turbulent Boundary Layers

Author: David L. Whitfield

Publisher:

Published: 1976

Total Pages: 108

ISBN-13:

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This report describes the results of analytical, numerical, and experimental investigations of incompressible and compressible boundary layers. The subjects considered are (1) Laminar and/or turbulent numerical boundary-layer calculations in which the Reynolds stress is related to the turbulent kinetic energy; (2) an analytical investigation of turbulence near a wall which is not founded on classical mixing-length theory; (3) analytical solutions for relating velocity and temperature throughout turbulent boundary layers for nonunity Prandtl numbers; (4) a description of the data reduction of pitot pressure measurements utilizing these analytical results, and (5) the application of the numerical and analytical results to the analysis of turbulent boundary-layer measurements made in the Propulsion Wind Tunnel Facility (PWT).

Scientific and Technical Aerospace Reports
Scientific and Technical Aerospace Reports

Author:

Publisher:

Published: 1972

Total Pages: 958

ISBN-13:

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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.

Compressible Turbulent Skin Friction on Rough and Rough/wavy Walls in Adiabatic Flow
Compressible Turbulent Skin Friction on Rough and Rough/wavy Walls in Adiabatic Flow

Author: Daniel C. Reda

Publisher:

Published: 1974

Total Pages: 80

ISBN-13:

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An experimental program was conducted to investigate effects of roughness, and roughness superimposed on single and/or multiple, shallow, periodic waveforms, on turbulent boundary-layer skin friction and velocity profile, in compressible, adiabatic flow. Test conditions were Mach number = 2.9 and Reynolds number/ft = 2 million to 8 million. The planar models included smooth, sand-grain, machined and molded surface finishes. Direct measurements of surface shear and Pitot/recovery temperature profiles were obtained. (Modified author abstract).

Aeronautical Engineering
Aeronautical Engineering

Author:

Publisher:

Published: 1971

Total Pages: 580

ISBN-13:

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A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International aerospace abstracts (IAA)