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Pressurized particle‐liquid cocurrent downward flow through a tube with restricting geometries
Author(s) -
Chon W. Y.,
Chen E. C.
Publication year - 1965
Publication title -
the canadian journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 67
eISSN - 1939-019X
pISSN - 0008-4034
DOI - 10.1002/cjce.5450430506
Subject(s) - dimensionless quantity , volumetric flow rate , reynolds number , mechanics , flow (mathematics) , flow coefficient , isothermal flow , body orifice , laminar flow reactor , particle (ecology) , mass flow meter , materials science , open channel flow , thermodynamics , physics , geology , engineering , mechanical engineering , oceanography , turbulence
Cocurrent downward flow of a bed of particles in a fluid medium through straight tubes with an orifice and a gradually converging cone at the lower end, was studied. Two dimensionless groups, i.e., effluent flow ratio defined as the ratio of particle flow rate to total flow rate, and Reynolds number, have been correlated for intermediate flow region. For low flow rate region, however, excess flow rate of liquid, was found to control the effluent flow ratio. Such a correlation serves as a terminal condition, and enables one to predict the absolute particle flow rate in a pressurized flow system, when used together with conventional moving bed correlations.