The Mean Skin Friction Coefficient for a Rough Flat Plate with a Turbulent Two-dimensional Boundary Layer in Compressible Adiabatic Flow, with Application to Wedges, Cylinders and Cones PDF Download
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Author: Royal Aeronautical Society
Publisher:
ISBN: 9780856790409
Category : Skin friction (Aerodynamics)
Languages : en
Pages : 16
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Book Description
"ESDU 73016 gives curves and an equation for the value of Reynolds number based on distance along the plate above which an increase in roughness height will not affect skin friction dray. Also given are curves for the mean skin friction on an aerodynamically smooth, or a fully rough, plate at zero incidence for Mach numbers from 0 to 5 for various roughness heights. The use of the data for cylinders, and for cones and wedges in supersonic flow, is explained. Comparison with experimental data shows an r.m.s. error of 3 per cent in incompressible flow rising to 9 per cent for compressible adiabatic flow."--Page [4] of cover.
Author: Royal Aeronautical Society
Publisher:
ISBN: 9780856790409
Category : Skin friction (Aerodynamics)
Languages : en
Pages : 16
Get Book Here
Book Description
"ESDU 73016 gives curves and an equation for the value of Reynolds number based on distance along the plate above which an increase in roughness height will not affect skin friction dray. Also given are curves for the mean skin friction on an aerodynamically smooth, or a fully rough, plate at zero incidence for Mach numbers from 0 to 5 for various roughness heights. The use of the data for cylinders, and for cones and wedges in supersonic flow, is explained. Comparison with experimental data shows an r.m.s. error of 3 per cent in incompressible flow rising to 9 per cent for compressible adiabatic flow."--Page [4] of cover.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 992
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Book Description
Author:
Publisher:
ISBN:
Category : Aerodynamics
Languages : en
Pages : 162
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Book Description
Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 496
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Book Description
Author:
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ISBN:
Category : Wind tunnels
Languages : en
Pages : 298
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Book Description
Author:
Publisher:
ISBN:
Category : Aerodynamics
Languages : en
Pages : 170
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 512
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 770
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Book Description
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).
Author: Daniel C. Reda
Publisher:
ISBN:
Category : Fluid mechanics
Languages : en
Pages : 80
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Book Description
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).
Author: Neal Tetervin
Publisher:
ISBN:
Category : Skin friction (Aerodynamics)
Languages : en
Pages : 168
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Book Description
The concepts of eddy kinematic viscosity and eddy diffusivity are used to calculate skin friction and heat transfer coefficients for the turbulent boundary layer on a flat plate. The eddy kinematic viscosity, eddy diffusivity, and turbulent Prandtl number vary across the boundary layer. The Mach number range is from zero to ten. The surface to stream temperature ratio varies from one-half to eight, and includes the insulated surface. The friction results are compared with experimental data. Velocity and temperature profiles for the entire region from the surface to the outer edge are compared with experimental data. (Author).
