Measuring the coefficient of internal friction for soil in spherically symmetric plastic flowWithoutdoi:10.1007/BF02498522O. S. KolkovKluwer Academic Publishers-Plenum PublishersSoviet Mining
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Determination of Erying Shear Stress and Pressure-viscosity Coefficient for HKD-1 Aviation Lubricating OilHKD-1型航空润滑油特征剪切应力及有效粘压系数确定的... 王燕霜,杨伯原,王黎钦 - 《摩擦学学报》 被引量: 5发表: 2006年 Estimation of Coefficient of Boundary Friction under Mixed Lubrication in Refr...
aNopassion Nopassion [translate] aThe friction coefficient of Angle gravel and cohesive force is bigger than medium sand, clay and stable, can be optimized angle gravel soil as a filler reinforced soil slope. 正在翻译,请等待... [translate] ...
A Short Note on the Earth Pressure and Mobilized Angle of Internal Friction in One-Dimensional Compression of Soils normally consolidated soilmobilized angle of internal frictionIn this note an empirical expression for the coefficient of earth pressure at-rest K0 in terms ... A Federico,G Elia,V...
the erosion coefficient, earth using coefficient, sensitivity coefficient of soil and stone, the average slope, and thesedimentation coefficientof the sub basins were evaluated and the arranged distinctions and the sediment production of the sub basins were estimated using the following formula [8]. ...
4.For sliding contact, the coefficient of kinetic friction Uk is defined as the ratio of the frictional force to the normal force.滑动接触时,动摩擦系数Uk的定义是摩擦力与法向力的比率。 5.A simplified recurrence method in frequency subdomain for calculating the dynamic flexibility of complex soil...
μst is the static friction coefficient between the lower and ground plates, Δμ is the difference between the maximum friction coefficient and the dynamic friction coefficient, α is a constant, and fB is the force normal to the friction surface. From: Vibration Control and Actuation of Large...
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 ...
1.Based on the popularity of computer and the adapted Colebrooks formula, in the paper a new equation forpipe-friction head lossis put forward in pipeline.长输管道输送一般处于紊流区,紊流区的水力摩阻计算一直采用分区计算的方法,涉及到的公式较多,使用起来不方便,并且分区附近存在数值跃变;由于混合摩擦...