Molten Metal Flow Around the Base of a Cavity During a High-Energy Beam Penetrating Process

[+] Author and Article Information
Peng Sheng Wei, Lih Ren Chiou

Department of Mechanical Engineering, National Sun Yat-Sen University, Kaohsiung, Taiwan

J. Heat Transfer 110(4a), 918-923 (Nov 01, 1988) (6 pages) doi:10.1115/1.3250593 History: Received August 10, 1987; Online October 20, 2009


An axisymmetric, quasi-steady-state model for the flow of molten metal in a thin layer surrounding the lower region of a vapor-filled cavity formed during a high-energy beam penetrating process is investigated for the first time. The shape of the vapor–liquid interface is determined by solving the momentum and energy equations and satisfying global mass conservation. Results show that the effective surface pressure and the force caused by the surface tension induce the upward flow of the liquid layer, which is responsible for the formation of the cavity. Distributions of the cavity temperatures, the liquid layer thickness, and the tangential velocity are also presented in this initial study.

Copyright © 1988 by ASME
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