Transient temperature distribution on a finite domain induced by a dithering or rotating laser beam
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Authors
Zhou, Hong
Tan, Tsuwei
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2011-03-06
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Abstract
We obtain the temperature distribution due to a rotating or dithering Gaussian laser
beam on a finite body numerically by solving one-dimensional, two-dimensional and three dimensional nonhomogeneous transient heat equation with various techniques. Our main
result is that the maximum temperature rise decreases with increasing frequency of the
rotating or dithering beam. It is also found that the maximum temperature rise behaves
asymptotically as 1/frequency in the 1D and 2D cases whereas in 3D the maximum temperature rise acts aymptotically as 1/ square root of frequency.
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Applied Mathematics
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This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.