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An Experimental Study of Heat Induced Surface-Tension Driven Flow

  • Y. Kamotani (a1), S. Ostrach (a1) and S. Lowry (a1)

Abstract

Velocity and temperature measurements are taken of heat induced surface-tension driven flows in both silicone oil and Fluorinert FC-43. Each fluid is contained in an open rectangular box and heated from above by a single strand of electrically heated nichrome wire suspended slightly above the fluid's surface. Velocity measurements are obtained for both liquids with a laser anemometer system. For silicone oil the general flow pattern is recorded using time-lapse photography. The surface temperature measurements are taken by a radiation thermometer and the bulk temperature distributions are measured by thermocouples. The velocity and temperature measurements are compared with numerical solutions obtained for the present configuration.

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An Experimental Study of Heat Induced Surface-Tension Driven Flow

  • Y. Kamotani (a1), S. Ostrach (a1) and S. Lowry (a1)

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