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Two-dimensional freezing of water filled between vertical concentric tubes involving density anomaly and volume expansion.

Author(s) : KIM C. J., RO S. T., LEE J. S., KIM M. G.

Type of article: Article

Summary

Freezing of initially superheated water filled within an axisymmetric enclosure was studied numerically. Simulation was carried out using a computational method recently developed by the authors to treat moving boundary problems in axisymmetric geometries. Emphasized is the influence of both volume expansion and density anomaly upon freezing via natural convection. Effects of several parameters characterizing phase-change process of interest are investigated. Numerical results clearly reveal that freezing undergoes multiple stages and proceeds in a complicated manner especially when the water is superheated over the density-extremum temperature.

Details

  • Original title: Two-dimensional freezing of water filled between vertical concentric tubes involving density anomaly and volume expansion.
  • Record ID : 1994-0169
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 36 - n. 10
  • Publication date: 1993/07

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