IIR document
Numerical simulation of supercooled water flow with an ice crystal in a two-dimensional duct.
Number: pap. P04
Author(s) : TSURUGASAKI T., TATSUTA K., HAGIWARA Y., et al.
Summary
The authors carried out a numerical simulation of laminar supercooled water flow in a two-dimensional duct. An ice crystal grew from a location of one wall of the duct. An immersed-boundary method and the Phase Field equation were utilized to determine the interface. The Navier-Stokes equation was solved with finite difference methods. It was found from the computational results that, as the Reynolds number became higher, the growing dendrite arm to upstream became thicker. Moreover, since the released latent heat in the upstream direction was transported downstream by flow, the temperature gradient near the interface developing upstream became steep and the conduction in-side the arm became noticeable. These findings indicate that there is a strong correlation between temperature gradient around the interface and ice growth velocity. Also, they carried out numerical simulation of similar water flow with an ice particle carried by the flow. The computational results showed that the relative velocity near the interface was reasonable. In addition, a high temperature region was seen in the area upstream from the ice particle.
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Details
- Original title: Numerical simulation of supercooled water flow with an ice crystal in a two-dimensional duct.
- Record ID : 30005102
- Languages: English
- Source: 10th International Conference on Phase-Change Materials and Slurries for Refrigeration and Air Conditioning. Proceedings: Kobe, Japan, July 29-August 1, 2012.
- Publication date: 2012/07/01
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