INTERFACIAL EFFECTS OF THE GROWTH OF SPHERICAL CRYSTAL NUCLEI IN SUBCOOLED LIQUID.

J. Y. Jang, C. N. Lin

Research output: Contribution to journalConference article

Abstract

The quasi-moving-boundary approximation with/without pseudo convection correction are used to compute the growth behavior of spherical crystal nuclei in subcooled liquid. The effect of interface attachment kinetics, interface curvature and fully time-dependent heat flow are included in this method. The validity of this approximation is first checked with the finite difference results. The quantitative accuracy of the approximation is improved as the subcooling is decreased and the interface kinetic resistance is increased. The approximation models indicate that the microstructure can be improved by increasing the subcooling and the kinetic resistance. Exact numerical solutions confirm this conclusion.

Original languageEnglish
JournalAmerican Society of Mechanical Engineers (Paper)
Publication statusPublished - 1986 Dec 1

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering

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