Titlebook: IUTAM Symposium on Lubricated Transport of Viscous Materials; Proceedings of the I Harold Ramkissoon Conference proceedings 1998 Springer S

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Effects of Helical Ribs of Capsule Surface on a Flow in a Horizontal Hydraulic Pipeline,etween the capsule and the pipe wall. When wheels are attached to keep the capsule in concentric with the pipe, the mean velocity of capsule becomes higher than that of water, and this suggests that the core flow is favorable. To increase the capsule velocity and to reduce the pressure gradient due

lambaste

Numerical Analysis of Dense Phase Liquid-Solid Flow in a Horizontal Pipe,rticles was calculated by the Newton’s equation of motion. The contact forces were given by DEM (Discrete Element Method)[1] model, which enables ones to estimate the forces on the moving particles in contact with their neighbors. The motion of liquid was calculated by solving the local averaged equ

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Paraffin Deposition Phenomena in Crude Oil Pipelines,fer to the surrounding cold water. Typical sea floor temperatures in 2,000-m water depths are often about 5 °C. When the oil temperature near the pipe wall cools below the cloud point or wax appearance temperature, deposition of paraffin on the pipe wall begins. Predicting the phenomena of paraffin

Servile

Levitation of Core Flows,ds is the eccentricity of the core. We split the domain through the center of the core; we characterized each sub domain by means of local variables, for instance the holdup ratio. We found that the smallest global pressure drop is achieved if and only if the local holdup ratios are equal to the glo

hypotension

Axisymmetric Wavy Core Flow in a Heavy Viscous Oil,ical and that the viscosity of the oil core is so large that it moves as a rigid solid which may nevertheless be deformed by pressure forces in the water. The waves which develop are asymmetric with steep slopes in the high pressure region at the front face of the wave crest and shallower slopes at

Prostaglandins

A Non-Axisymmetric Pattern Selection Problem in Core-Annular Flow,aveling waves and standing waves. The former travel in the azimuthal direction as well as the axial direction and would be observed as corkscrew waves. The standing waves travel in the axial direction but not in the azimuthal direction and appear as snakes. Weakly nonlinear interactions are studied

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