A model of layered ice-formation in unconfined water-saturated spherical glass particles.

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  • ガラス粉粒体中の層状氷生成モデル
  • ガラス フンリュウタイ チュウ ノ ソウジョウヒョウ セイセイ モデル

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Abstract

When fine particles bearing water was frozen unidirectionally, segregated ice layers reject particles. The segregated ice layers stratify in the direction of heat flow and affect particles and water near the advancing interface. This paper presents a model to simulate the ice segregation in water-saturated, air-free, solute-free, unconfined micro glass spheres. The model has three aspects: exclusion of particles dependent on the velocity of ice growing; ice growth dependent on the supercooling at the interface; and discontinuous change in particle density and critical freezing velocity near the ice-water interface. This model can be applied to the ice segregation in soils and other water-soaked media.

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