Dynamic Response of Fluid and Wall Temperatures During Pressurized Discharge of a Liquid from a Container
During the pressurized-discharge of a liquid from a container there is a transient heat transfer interaction between the pressurizing gas and the surfaces on the interior of the container which it wets, including the liquid interface. The outside surfaces of the container may also be subject to a simultaneous heat transfer interaction with an ambient. In addition, a mass transfer interaction can occur at the gas-liquid interface, should the liquid be at a temperature below the saturation temperature of the pressurizing gas. The latter condition occurs in most cryogenic applications where pressurization is accomplished using a gas of the same substance as the liquid, This mass transfer can be estimated [1, 2] and appears not to be large. The principal effect is the identification of the pressurizing gas temperature at the gas-liquid interface as the saturation temperature corresponding to its pressure [3, 4].
KeywordsHeat Transfer Heat Flux Heat Transfer Coefficient Wall Temperature Saturation Temperature
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