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Transient Solidification of Liquid Metals in the Thermal Entry Region of a Circular Tube

M. S. Sadeghipour, M. N. Özişik, J. C. Mulligan

Nuclear Science and Engineering

Volume 79 / Number 1 / September 1981 / Pages 9-18


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The transient freezing of liquid metals in laminar flow in the thermal entry region of a circular tube is investigated analytically under the assumption that the heat removal from the tube wall is by convection into an environment at a temperature lower than the freezing temperature. The variation of the solid-liquid interface as a function of time and position along the tube is determined. The effects of Biot number and the difference between the freezing and the ambient temperatures on the length of freeze-free zone are examined.

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