Three-dimensional heat transfer analysis of laser cutting process for CSP 1N sheet using high power CW Nd:YAG laser

고출력 CW Nd:YAG 레이저를 이용한 CSP 1N 냉연강판 절단 공정의 3 차원 열전달 해석

  • Published : 2005.10.01

Abstract

The objective of this research work is to investigate into the three-dimensional temperature distribution using quasi steady-state heat transfer analysis fur the case of the laser cutting of CSP 1N sheet using high power CW Nd:YAG laser. The laser heat source is assumed as a volumetric heat source with a gaussian heat distribution in a plane. Through the comparison of the results of analyses with those of the experiments, the optimal finite element model is obtained. Finally, characteristics of the three-dimensional heat transfer and temperature distribution have been estimated by the optimal finite element model.

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