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RESEARCH PAPERS

Evaporative Cutting of a Semi-infinite Body With a Moving CW Laser

[+] Author and Article Information
M. F. Modest, H. Abakians

University of Southern California, Department of Mechanical Engineering, Los Angeles, CA 90089-1453

J. Heat Transfer 108(3), 602-607 (Aug 01, 1986) (6 pages) doi:10.1115/1.3246978 History: Received May 07, 1985; Online October 20, 2009

Abstract

The formation of a deep groove by evaporation on a moving semi-infinite solid is considered. Evaporative removal of material is achieved by focusing a high-power, highly concentrated Gaussian laser beam of constant wattage (CW laser) onto the surface of the solid. Assuming thermal losses due to conduction and convection to be relatively minor, these losses are treated in an approximate fashion using a simple integral method. The relevant nonlinear partial differential equations are solved numerically, and results for groove depth and shape are presented for a variety of laser and solid parameters.

Copyright © 1986 by ASME
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