Dynamic coefficient of friction and granular drag force in dense particle flows: Experiments and DEM simulations[J] . Paul A. Moysey,Nadella V. Rama Rao,Malcolm H.I. Baird.Powder Technology . 2013MOYSEY P A, RAMA RAO N V, BAIRD M H I. Dynamic coefficient of friction and granular drag ...
Its magnitude depends on the viscosity of the fluid and the wetted (or total) surface area in contact with it, as well as the surface roughness. The analysis of skin friction drag is complicated by the process of transition, when the laminar boundary layer becomes turbulent. Consequently, ...
coefficient翻译 coefficient翻译基本解释 ●coefficient：系数
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The data were analyzed to explore the influence of swell on the drag coefficient. It was found that when compared to periods of equal wind speed, the drag coefficient was reduced up to 37 % when swell energy was twice that of the wind sea energy. It is believed that this reduction was ...
Here we present a new approach to estimating the drag coefficient of carbonate sands that considers both friction and pressure. Based on our new method, the calculated drag coefficients explain the great variability in settling velocities of carbonate sand observed in nature (from 0.025 m/s to...
THE DRAG REDUCTION BY DIMINISHING THE COEFFICIENT OF FRICTION BETWEEN THE WATER AND THE HULL, BY BLOWING AIR UNDER THE SHIPRODICA-IONELA, TICUPAUL, BOCANETEALINA, IONAnnals (Constana Maritime University)
Spectrum analysis of the drag forces and coefficient of friction reveal interesting features that vary depending upon rotational speed, pad type, and process downforce. The essential elements of CMP are the polishing pad, the wafer, and the slurry. The friction measurements result from the ...
two-phase flow/ generalized friction factordrag coefficient correlationsfluid-particle interactions/ A4755K Multiphase flowsThe author points out that the paper by Gibilaro et al. (ibid. vol.40, p.1817-1823, 1985) yields results which are almost identical to those he published in the book `...
Adhesion is a function of the friction at the contact point of wheel/rail—that is, effective tractive effort is the production of the total weight on the drivers multiplied by the coefficient of friction between wheel and rail. The friction or adhesion factor represents the percentage of ...