:: Section 4
Now that you have gone over this module, take a moment to reflect what you have learned about thermophoresis.
(1) A particle free layer is formed around a heated area due to a force field raised by thermophoresis.
(2) The size of a particle affects the mechanism of the thermophoretic force and the magnitude of thermophoretic velocity.
Parameters such as thermal conductivity, temperature gradient, and gas properties will also affect the thermophoresis.
(4) A thermal precipitator is efficient in collecting small quantities of aerosols.
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