Application of Truncated Pyramid Model in Determination of Escape Velocity of Particles of Different Diameters in Varying Conditions
Sanchayan Mukherjee 

Sanchayan Mukherjee, Department of Mechanical Engineering, Kalyani Government Engineering College, Nadia, West Bengal, India.
Manuscript received on October 05, 2011. | Revised Manuscript received on October 19, 2011. | Manuscript published on November 05, 2011. | PP: 75-79 | Volume-1 Issue-5, November 2011. | Retrieval Number: E0153081511/2011©BEIESP
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Abstract: The behavior of the particles in a riverbank is actually a function of inter-particle distances, radii of the particles and the volume of water entrapped between them. It is also different for pure and saline water. In the present paper a deterministic method has been suggested for calculation of the cohesive force between the adjacent particles. It has been shown that the cohesive force is actually a function of all those parameters. The escape velocity is an important parameter in determination of other relevant parameters like volumetric rate of bank erosion and entrainment rate. The results indicate that the escape velocity of a particle on a riverbank increases no further after a certain value of the volume of the water bridge between the pairs of particles is attained. The results fall well in line with those obtained by previous researchers.
Keywords: Cohesive force, escape velocity, inter-particle distance, liquid (water) bridge.