Publication Cover
Numerical Heat Transfer, Part A: Applications
An International Journal of Computation and Methodology
Volume 29, 1996 - Issue 2
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Original Articles

NUMERICAL PREDICTION OF FLUID FLOW AND HEAT TRANSFER IN WELDING WITH A MOVING HEAT SOURCE

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Pages 115-129 | Received 04 Aug 1995, Accepted 02 Oct 1995, Published online: 23 Oct 2007
 

Abstract

An improved computational analysis is presented for the detailed prediction of heat transfer, phase change, and fluid flow during welding with a moving heat source. The governing equations are formulated in a reference frame attached to the heat source. A special feature in the formulation is that the primary unknown velocity is the convective velocity of the fluid with the motion of the heat source, resulting in additional source terms in the equations. The equations are solved using a control-volume-based computational method. The temperature and velocity fields and the time-temperature data are presented for two welding velocities to demonstrate the results using the new technique.

Notes

Address correspondence to Dr. K. Mundra, Department of Materials Science and Engineering, Pennsylvania State University, 209 Steidle Building, University Park, PA 16802-5006, USA.

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