4. Thermogravimetric coupling in absorbent liquids
While diffusive forces can generate volumetric flows in turbid media, there is another way to optically induce such flows. When a liquid layer is heated locally by the absorption of a continuous laser wave, its density decreases in the heated area . This radial decrease induces a pressure gradient which, in turn, sets the liquid in motion—a phenomenon known as the thermogravitational effect, or forced convection. By the law of conservation...
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Thermogravimetric coupling in absorbent liquids
Optocapillarity: tangential stress at absorbent interfaces
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