The figure also shows the sequence of work performed to investigate the effect of the filling ratio on friction coefficients.
The parameter ε represents the ratio of wall friction force to liquid-gas interaction force, and is proportional to the magma viscosity.
The maximum increment ratio of the friction factor is 257% under the conditions of screw pitch of 10 mm and screw diameter of 4 mm.
The effects of eccentricity ratio, torsional to lateral frequency ratio, mass ratio and coefficient of friction was studied.
The main objective of this study is to investigate the effect of the stiffness ratio, the coefficient of friction and the coating thickness on the surface contact tractions, the surface in-plane stress, the stick zone length and the creep ratio parameter that may have a bearing on the fatigue life of the component.
The results show that the shear failure behavior of concrete under different axial compression is quite different, and as the increase of axial compression ratio, the traces of friction on shear plane get more evident and the concrete failure slag also increases.
The aim of this section is to produce a realistic, detailed and accurate simulation of the Lituya Bay mega tsunami of 1958, while taking into account uncertainties in critical parameters such as ratio of layer densities, interlayer friction and Coulomb friction angle.
The efficiency of the isolation system is investigated by analyzing the effects of various parameters such as; (i) isolation period, (ii) tank aspect ratio and (iii) coefficient of friction.
In fact, high-velocity (1.3 m/s) friction experiments on natural fault gouges successively reproduced fluidization-related microstructures found in nature, during which the apparent coefficient of friction (ratio of shear to normal stress) decreased to approximately 0.1 to 0.2 (Mizoguchi et al. 2009; Kitajima et al. 2010; Ujiie and Tsutsumi 2010).
A "coefficient of friction" is the ratio between frictional resistance to normal force, which is responsible for pressing the two opposing surfaces together.
