Formation of Chimneys in Mushy Layers: Experiment and Simulation

Details Formation of Chimneys in Mushy Layers: Experiment and Simulation Formation of Chimneys in Mushy Layers: Experiment and Simulation

2011-10-18

arxiv.org/abs/1110.4054v1

Physics

Fluid Dynamics

Scientific paper

In this fluid dyanmics video, we show experimental images and simulations of chimney formation in mushy layers. A directional solidification apparatus was used to freeze 25 wt % aqueous ammonium chloride solutions at controlled rates in a narrow Hele-Shaw cell (1mm gap). The convective motion is imaged with schlieren. We demonstrate the ability to numerically simulate mushy layer growth for direct comparison with experiments.

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