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Dynamics of a Liquid Plug in a Capillary Powered by Vapor Explosion

, , and . Thermal Challenges in Next Generation Electronic Systems, Millpress, Rotterdam, (2002)

Abstract

A theoretical model of liquid plug dynamics powered by vapor explosion in a capillary duct has been proposed. The model can evaluate performance parameters such as the amount of useful work and displacement volume rate of liquid. The efficiency of energy conversion for water under atmospheric pressure and room temperature is 2.8\%. The prediction agrees will with existing experimental results and suggests the existence of optimum heat flux at which displacement volume rate is maximum.

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