THERMOCAPILLARY FLOWS OF SURFACE MELTING DUE TO A MOVING HEAT-FLUX

NCUIR > Engineering College > Graduate Institute of Mechanical Engineering > journal & Dissertation > Item 987654321/27157

Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/27157

Title:	THERMOCAPILLARY FLOWS OF SURFACE MELTING DUE TO A MOVING HEAT-FLUX
Authors:	CHEN,JC;HUANG,YC
Contributors:	機械工程學系
Keywords:	LASER
Date:	1991
Issue Date:	2010-06-29 18:09:12 (UTC+8)
Publisher:	中央大學
Abstract:	The convective heat transfer and fluid flow that occurs during laser surface melting is examined through a series of numerical computations. The momentum equations and the energy equation are solved by a finite-difference method with a grid-stretching transformation, which places more grid points in the molten region. The effects of thermocapillary convection in the melt and the moving speed of the external heat source on the shape of the solid-liquid interface are considered. Results show that the latent heat of fusion and different dimensionless parameters associated with the moving uniform heat flux have profound effects on determining the melting shape.
Relation:	INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
Appears in Collections:	[Graduate Institute of Mechanical Engineering] journal & Dissertation

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