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Updated: Jul 24, 2026
Visualization of High Speed Liquid Jet Impaction on a Moving Surface
Published on: April 17, 2015
An Experimental Study of the Kinetics of Particle Deposition in a Wall-Jet Cell Using Total Internal Reflection
1Food Engineering, Center for Chemistry and Chemical Engineering, Lund Institute of Technology at Lund University, Lund, SE-221 00, Sweden
Abstract:
The deposition of polystyrene latex particles of 0.46 µm diameter was studied in situ using a wall-jet cell in combination with total internal reflection microscopy. The particles were deposited onto an indium tin oxide surface in a laminar flow field for up to 13 h. The initial particle flux was found to be mass-transfer-controlled. It was shown that one period of the time-dependent deposition rate period was of first-order nature. The effective particle transfer coefficient during this period appeared to be correlated inversely to the wall shear rate. With the help of three characteristic empirical constants, one of them being a mass transfer coefficient, the overall deposition process was described by a model equation. The concentration dependency was elucidated using a Langmuir-type pseudoisotherm. Copyright 2000 Academic Press.
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