skin-friction coefficient

skin-friction coefficient

[′skin ¦frik·shən ‚kō·i′fish·ənt]
(meteorology)
A dimensionless drag coefficient expressing the proportionality between the frictional force per unit area, or the shearing stress exerted by the wind at the earth's surface, and the square of the surface wind speed.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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From Table 2, only the suction case has a strong effect on the local wall couple stress as well as the local skin-friction coefficient, whereas the local Nusselt number is slightly affected and the local Sherwood number remains insensitive to the three cases studied.
Influence of thermophoresis on MHD micropolar fluid over a moved permeable plate
Simulations showing important flow characteristics such as the skin-friction coefficient, heat, and mass transfer rates will be carried out.
The important physical parameters for the type of boundary layer flow under consideration are the skin-friction coefficient, Nusselt number, and Sherwood number.
On a Bivariate Spectral Homotopy Analysis Method for Unsteady Mixed Convection Boundary Layer Flow, Heat, and Mass Transfer due to a Stretching Surface in a Rotating Fluid
(vi) Thermal radiation parameter, permeability parameter, and slip parameter tend to enhance the translational velocity profiles throughout the boundary layer region and the skin-friction coefficient.
Combined influence of hall current and Soret effect on chemically reacting magnetomicropolar fluid flow from radiative rotating vertical surface with variable suction in slip-flow regime
The physical quantities of interest of the problem are the skin-friction coefficient [C.sub.f] and the Nusselt number Nu, which can be expressed, respectively, as
Numerical solution of boundary layer MHD flow with viscous dissipation
(e) The magnitude of wall skin-friction coefficient decreases with Casson parameter [beta].
MHD stagnation-point flow of Casson fluid and heat transfer over a stretching sheet with thermal radiation
The parameters of engineering interest for the present problem are the local skin-friction coefficient and the local Nusselt number which indicate physically wall shear stress and rate of heat transfer respectively.
Heat transfer in a hydromagnetic flow of a micropolar fluid over a stretching surface with variable heat flux and generation
The quantities of physical interest, namely, the local skin-friction coefficient [Cf.sub.x] and the rate of heat transfer in terms of the local Nusselt number [Nu.sub.x], are presented by
Similarity solution for hydromagnetic forced convection flow of a non-Newtonian fluid along a non-isothermal wedge with thermal radiation and viscous dissipation
Table 1: Values of skin-friction coefficient at the plate when [epsilon] = 0.2 [K.sub.0] Gr M Pr [omega] [C.sub.f] 0.3 4 5 0.71 4 1.12134 0.4 4 5 0.71 4 1.17966 0.3 8 5 0.71 4 2.24267 0.3 4 7 0.71 4 1.00651 0.3 4 5 1 4 1.01282 0.3 4 5 0.71 8 1.2693
Hydromagnetic free convective Rivlin-Ericksen flow through a porous medium with variable permeability
The effects of various governing parameters on skin-friction coefficient [C.sub.f], Nusselt number Nu, and Sherwood number Sh are shown in Tables 1 and 2.
On the Influence of Soret and Dufour Effects on MHD Free Convective Heat and Mass Transfer Flow over a Vertical Channel with Constant Suction and Viscous Dissipation
We observe from Table 1 that the skin-friction coefficient (-f'(0)) and the Nusselt number [N.sub.u] (= -[theta]'(0)) increase for increasing values of dimensionless activation parameter E for exothermic chemical reaction, but opposite actions are found for endothermic reaction.
Effects of exothermic/endothermic chemical reactions with Arrhenius activation energy on MHD free convection and mass transfer flow in presence of thermal radiation
Table 1 displays the values of the skin-friction coefficient and Nusselt number at the surface for different values of [[theta].sub.r].
MHD natural convection from a heated vertical wavy surface with variable viscosity and thermal conductivity

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