Minimum Transport Velocity of Granular Materials at High Concentration in a Horizontal Pipe

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概要

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• The minimum transport velocity required to prevent the accumulation of particles on the bottom of a horizontal conduit was determined theoretically and experimentally in a 50 mm pipe for cereals having mean diameters from 2.0 to 4.1 mm. When the flow rate ratio of solids to air m_<TC> is so large as for m_<TC> to be from 10 to 60, the correlation between particle settling velocity w_<sε> and minimum transport air velocity v_c is well expressed by v_c=2.87w_<sε>√<f_K>, where f_K is a kinetic coefficient of friction between solids and pipe wall. This characteristic equation for minimum transport velocity was confirmed to be in good agreement with the values of the experimental data published in and outside Japan.

• 社団法人日本機械学会の論文

著者

• Ochi Mitsuaki

  Assistant College Of Science And Technology Nihon University

• IKEMORI Kikaku

  Professor, Dr. Eng., College of Science and Technology, Nihon University

• Ikemori Kikaku

  Professor Dr. Eng. College Of Science And Technology Nihon University

関連論文

• Minimum Transport Velocity of Granular Materials at High Concentration in a Horizontal Pipe

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