Optimizing the speed of single infrared-laser-induced thermocapillary flows micromanipulation by using design of experiments
Résumé
Laser-induced thermocapillary convection
ows
is a promising technique to manipulate micrometer size
particles. Several parameters, such as the laser exposure
time, the laser-particle distance, the particles' diame-
ter and the water layer thickness can be used to control
the particles' speed. This article deals with the study of
the in
uence of the control parameters in the manipulation
process using a systematic method: Design of Ex-
periments (DoE). Additionally, a mathematical speed
model of the manipulated particle as function of the
mentioned parameters is proposed in order to enhance
the manipulation accuracy and speed paving the way
toward future works related to control strategies. Acid-
washed glass beads ranging from 50 up to 150 microns
were used for this purpose.
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