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Identification of Fastest Velocity Particle in Tube Flow: Single vs Multi‐particle Approach
Author(s) -
RAMASWAMY H. S.,
GRABOWSKI S.
Publication year - 1998
Publication title -
journal of food science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.772
H-Index - 150
eISSN - 1750-3841
pISSN - 0022-1147
DOI - 10.1111/j.1365-2621.1998.tb15786.x
Subject(s) - particle (ecology) , flow (mathematics) , tube (container) , identification (biology) , mechanics , particle flow , particle identification , physics , materials science , geology , optics , biology , composite material , oceanography , botany , discrete element method , detector
Velocities of particles (carrot, parsnip, potato, and Nylon) of different sizes (d p /D=0.25‐0.5) and shapes (spheres, cylinders and cubes) were evaluated in a transparent holding tube (L=3.8m and D=0.05m) with water and water/pectin (up to 1.2%) solutions as carrier liquids (T=20–80°C). Particles were introduced individually or in groups of 2–135, and evaluated with respect to a given type, shape, size and concentration. Results showed that, when densities of particle and liquid were different, the fastest traveling particle in a multi‐particle system was the largest sphere traveling alone in the carrier liquid of highest velocity and viscosity. Conservative values of critical particle velocities were obtained by using the single particle approach.