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TECHNICAL PAPERS: Heat Transfer in Manufacturing

A Stagnation Flow Analysis of the Heat Transfer and Fluid Flow Phenomena in Laser Drilling

[+] Author and Article Information
J. J. Batteh, M. M. Chen, J. Mazumder

Department of Mechanical Engineering and Applied Mechanics, University of Michigan, 2350 Hayward Street, 2004 G. G. Brown, Ann Arbor, MI 48109-2125

J. Heat Transfer 122(4), 801-807 (Jun 09, 2000) (7 pages) doi:10.1115/1.1318209 History: Received April 12, 1999; Revised June 09, 2000
Copyright © 2000 by ASME
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References

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Figures

Grahic Jump Location
Keyhole shape and enlarged view of stagnation flow region showing the coordinate system used in stagnation flow analysis
Grahic Jump Location
Normalized stagnation flow solution for low carbon steel as a function of the laser beam parameter
Grahic Jump Location
Dimensional drilling speeds VSL as a function of the absorbed laser power, Rb=20 μm
Grahic Jump Location
Vaporization fraction ϕ as a function of the laser beam parameter

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