Closure to “Discussion of ‘New Skin Friction and Entrainment Correlations for Turbulent Boundary Layers’” (1982, ASME J. Fluids Eng., 104, p. 540)

1982 ◽  
Vol 104 (4) ◽  
pp. 540-540
Author(s):  
J. H. Ferziger ◽  
A. A. Lyrio ◽  
J. G. Bardina
Keyword(s):  
Skin Friction ◽  
Boundary Layers ◽  
Turbulent Boundary Layers ◽  
New Skin

New Skin Friction and Entrainment Correlations for Turbulent Boundary Layers

1982 ◽  
Vol 104 (4) ◽  
pp. 537-540 ◽  
Author(s):  
J. H. Ferziger ◽  
A. A. Lyrio ◽  
J. G. Bardina
Keyword(s):  
Skin Friction ◽  
Boundary Layers ◽  
Turbulent Boundary Layers ◽  
Separated Flows ◽  
Entrainment Rate ◽  
New Correlation ◽  
New Skin

A new correlation for the skin friction and two new correlations for the entrainment rate in turbulent boundary layers are presented. Relative to previous correlations, the new ones are at least as accurate, simpler to use, and applicable to separated flows.

scholarly journals Skin Friction and the Inner Flow in Pressure Gradient Turbulent Boundary Layers

2006 ◽  
Author(s):  
Katherine Newhall ◽  
Brian Brzek ◽  
Raul Bayoan Cal ◽  
Gunnar Johansson ◽  
Luciano Castillo
Keyword(s):  
Pressure Gradient ◽  
Skin Friction ◽  
Boundary Layers ◽  
Turbulent Boundary Layers

Low-Reynolds-Number Turbulent Boundary Layers in Zero and Favorable Pressure Gradients

1983 ◽  
Vol 27 (03) ◽  
pp. 147-157 ◽  
Author(s):  
A. J. Smits ◽  
N. Matheson ◽  
P. N. Joubert
Keyword(s):  
Friction Coefficient ◽  
Skin Friction ◽  
Boundary Layers ◽  
Leading Edge ◽  
Reynolds Numbers ◽  
Skin Friction Coefficient ◽  
Turbulent Boundary Layers ◽  
Pressure Gradients ◽  
Mean Flow ◽  
Low Reynolds

This paper reports the results of an extensive experimental investigation into the mean flow properties of turbulent boundary layers with momentum-thickness Reynolds numbers less than 3000. Zero pressure gradient and favorable pressure gradients were studied. The velocity profiles displayed a logarithmic region even at very low Reynolds numbers (as low as Rθ = 261). The results were independent of the leading-edge shape, and the pin-type turbulent stimulators performed well. It was found that the shape and Clauser parameters were a little higher than the correlation proposed by Coles [10], and the skin friction coefficient was a little lower. The skin friction coefficient behavior could be fitted well by a simple power-law relationship in both zero and favorable pressure gradients.

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