Results 41 to 50 of about 351,137 (205)
Relativistic Dynamical Friction in the Weak Scattering Limit
, 1994 A test mass, $M$, moving through an ambient medium of light particles with lower average kinetic energy than itself suffers a deceleration caused by its scattering of the light particles. The phenomenon is usually referred to as dynamical friction.
Syer, D.
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Cross-sectional river shapes: A variational discharge-resistance formulation [PDF]
, 1999 Cross-sectional river shapes were obtained from a variational principle: minimizing the bed friction for a given discharge and a given maximum lateral bed slope (angle of repose).
Beckum, F.P.H. van +2 more
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Energy Dissipation and Trapping of Particles Moving on a Rough Surface
, 1997 We report an experimental, numerical and theoretical study of the motion of a ball on a rough inclined surface. The control parameters are $D$, the diameter of the ball, $\theta$, the inclination angle of the rough surface and $E_{ki}$, the initial ...
A. Aguirre +22 more
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Machining performance of vegetable oil with phosphonium- and ammonium-based ionic liquids via MQL technique [PDF]
, 2019 Thermo-mechanical loads are the main factor that influences the tool wear and product surfaces during machining processes. Lubrication in metal cutting is an effective medium to reduce frictional forces and wear on the tool-workpiece interfaces.
Abd Rahim, Erween +3 more
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Multifluid Eulerian modeling of dense gas–solids fluidized bed hydrodynamics: Influence of the dissipation parameters [PDF]
, 2008 Computational fluid dynamic (CFD) models must be thoroughly validated before they can be used with confidence for designing fluidized bed reactors.
Cadoret, Loic +5 more
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Yantu gongcheng xuebao, 2020 By taking the limited range of clay behind the retaining wall as the research object, considering soil arching effect under non-limit state, and adopting the angle of the fracture surface obtained by the plastic upper limit theory and the variation law ...
XU Ri-qing 1, 2, XU Ye-bin 1, 2, CHENG Kang 1, 2, FENG Su-yang 1, 2, SHEN Shuo 1, 2
doaj +1 more source
Advances in Civil Engineering, 2022 The direct shear tests of different dry density and moisture content samples at different temperatures of the frozen soil in the Qinghai-Tibet Railway embankment between Tanggula South and Anduo section were carried out to analyze the influence rules of ...
B. Wang +5 more
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Interparticle friction leads to non-monotonic flow curves and hysteresis in viscous suspensions [PDF]
, 2019 Hysteresis is a major feature of the solid-liquid transition in granular materials. This property, by allowing metastable states, can potentially yield catastrophic phenomena such as earthquakes or aerial landslides.
Clavaud, Cécile +4 more
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Angle of Repose and Angle of Marginal Stability: Molecular Dyanmics of Granular Particles
, 1992 We present an implementation of realistic static friction in molecular dynamics (MD) simulations of granular particles. In our model, to break contacts between two particles, one has to apply a finite amount of force, determined by the Coulomb criterion.
Campbell C S +20 more
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Unwinding relaxation dynamics of polymers [PDF]
, 2013 The relaxation dynamics of a polymer wound around a fixed obstacle constitutes a fundamental instance of polymer with twist and torque and it is of relevance also for DNA denaturation dynamics.
Baiesi, Marco +3 more
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