Author(s): Voevodin Anatoly Fedorovich; Grankina Tatiana Borisovna
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Abstract: One and two-dimensional models these describe snow-ice cover growth in minera lized water body taking into account the real geometry is deve loped. As a result of salt-free ice increas ing before the front of crystallization a boundary layer with higher mineralization and of variable density is formed. The natural convection effect on downward freezing of water is observed. All phenomena listed above affects of the freezing-point and of the speed of freezing water and ice growth process. The mathematical statement based on Stefan's problem. Task comes to the solution of the NavierStokes problem of Buss inesk's approximation in water body and the equations of heat conductivity for temperature conditions in ice and snow layers. The front rectification method allowing setting the equations in a regular domain is used.
Year: 2010