Skin Friction
SKIN FRICTION ANALYSIS OF MHD FLOW PAST ON ACCELERATED VERTICAL PLATE WITH VARIABLE TEMPERATURE AND MASS DIFFUSION IN THE PRESENCE OF CHEMICAL REACTION
... of skin friction on unsteady MHD flow past an accelerated infinite vertical plate with variable temperature and mass diffusion, in the presence of homogeneous chemical reaction of first ...
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Staggered Three-dimensional Cavities as a Possible Method for Skin Friction Drag Reduction
... dimensional flow field, where some features of the vortical structures generated by cavities were captured. These revealed the spanwise non-uniformity of the flow and the presence of transverse velocity components. ...
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Low order modelling of flow control techniques for turbulent skin friction reduction
... and skin-friction drag is assumed to be true, then it is also obvious that these vortical structures strongly influence the turbulent drag ...the skin-friction drag control, it seems ...
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Skin friction drag reduction over staggered three dimensional cavities
... So far the skin friction drag has been treated purely from a mean flow basis. Further evidence could be obtained by analysing the RMS of the fluctuating components and from the hot-wire measurements the ...
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Turbulent skin friction drag reduction control by spanwise motion
... perturbation (GOP) approach, Blesbois et al. (2013) found that in a spanwise os- cillating turbulent boundary layer, the GOP modes were infinitely long structures with certain angles to the mean flow, and the angle and ...
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Estimation of negative skin friction in deep pile foundation using the practical and theoretically approaches
... negative skin friction and estimation its value; using the practical, numerically and theoretically ...negative skin friction due to the lowering of the groundwater ...negative friction ...
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Effectiveness of active flow control for turbulent skin friction drag reduction
... [23], and Chung and Sung [24] reported that a detection plane at y d + = 15 gave a slightly better drag reduction. The importance of the optimal detection plane location (y d,op + ) for the turbulent ...
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Skin Friction versus Fire Propagation
... Although skin friction is defined as the force due to drag over the dynamic pressure, the shear stress has a direct effect on the magnitude of heat ...investigating skin friction coupled with ...
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Skin friction at the interface between hands and sports equipment
... reducing friction. More widely spaced pimples give slightly lower dry friction, but performance is maintained in the wet as the pimples can break through a water ...
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The Effect of Surface Roughness on Skin Friction and Turbulence in Two Dimensional Flow
... reference pressure, the other to measure the difference between the total head at a station and the static pressure at the I°Elference station... Alcohol was used as the li.[r] ...
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SLIP EFFECT ON HEAT AND MASS TRANSFER IN CASSON FLUID WITH CATTANEO-CHRISTOVE HEAT FLUX MODEL
... To the best of author’s knowledge, no one has discussed so far the Cattaneo-Christov heat flux model on the Casson fluid flow over an exponentially stretching surface. Hence, our motivation is to discuss the ...
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Reynolds number dependence of mean flow structure in square duct turbulence
... mean skin friction coefficient is strongly related to the relaxation of the aforementioned geometrical constraint: at very low Reynolds number the positioning of the streaks is imposed by the geometry; when ...
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Analysis Of Transonic Flow Over An Airfoil Naca0012 Using Cfd
... pressure, Skin friction coefficient, wall shear stress, turbulence intensity in transonic regime the performance parameters of airfoil such as Angle of Attack, Lift Coefficient, Drag Coefficient has been ...
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MHD MIXED CONVECTION FLOW OF A NON-NEWTONIAN POWELL-ERYING FLUID OVER A PERMEABLE EXPONENTIALLY SHRINKING SHEET
... of skin friction coefficient and local Nusselt number for selected values of the fluid parameter are depicted in ...of skin friction coefficient and local Nusselt number decrease with ...
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UNSTEADY HYDROMAGNETIC HEAT AND MASS TRANSFER NATURAL CONVECTION FLOW PAST AN EXPONENTIALLY ACCELERATED VERTICAL PLATE WITH HALL CURRENT AND ROTATION IN THE PRESENCE OF THERMAL AND MASS DIFFUSIONS
... enhances skin friction in both the primary and secondary flow directions while Hall current reduces skin friction in the primary flow direction and enhances in the secondary flow ...the ...
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Unsteady Pressures Influenced by Trapped Air Pockets in Water-Filled Pipelines
... Trapped air pockets may cause severe operational problems in water-filled pipelines. This paper investigates the dynamic behaviour of a single trapped air pocket. A single air pocket creates distinct changes of ...
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MAGNETOHYDRO DYNAMIC FLOW OF BLOOD IN A PERMEABLE INCLINED STRETCHING SURFACE WITH VISCOUS DISSIPATION, NON-UNIFORM HEAT SOURCE/SINK AND CHEMICAL REACTION
... Present work aims to investigate the blood stream in a permeable vessel in the presence of an external magnetic field with heat and mass transfer. The instability in the coupled flow and temperature fields is considered ...
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Double stratification effects on heat and mass transfer in unsteady MHD nanofluid flow over a flat surface
... the skin friction coefficient, the local Nusselt number (rate of heat transfer), and the local Sherwood number with variation in the values of thermophysical parameters embed- ded in the ...the skin ...
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Unsteady mixed convection flow over a cylinder of elliptic cross section near forward and rear stagnation points
... of skin friction, Nusselt number, velocity profile and temperature profile in unsteady mixed convection over a cylinder elliptic cross section near both forward and rear stagnation point? (ii) What are the ...
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Steady and unsteady aligned magnetohydrodynamics free convection flows of magnetic and non magnetic nanofluids along a wedge, vertical and inclined plates
... In this day and age, different geometries also improve the thermal conductivity process. Many studies have investigated and proposed novel techniques for improving the heat transfer (Bejan, 2013). Also, researchers have ...
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