JP Journal of Heat and Mass Transfer
Volume 21, Issue 2, Pages 263 - 282
(December 2020) http://dx.doi.org/10.17654/HM021020263 |
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A CASE STUDY ON FREEZING OF MOVING WATER WITH FREE SURFACE INDUCED BY AIR FLOW
M. Sugawara and M. Tago
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Abstract: This paper is concerned with the 2-D freezing of water having free surface by air flow cooling. Numerical analysis has revealed a very rare freezing phenomenon that has not been seen in the past. The water moves by the shearing stress acting on the free surface. The onset of freezing of water is delayed significantly by the effect of mixing induced water flow for the case of high inlet velocity and low inlet temperature of air flow. In low inlet velocity, very thin ice appears just in beginning contrary to expectation. However, the ice melts out soon by the development of mixing of water, and the water starts to freeze again. A very simple approximate solution can predict fairly the freezing for high inlet velocity and low inlet temperature of air flow. |
Keywords and phrases: freezing of water, free surface, induced water flow, numerical solution, approximate solution.
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