A SEMI-ANALYTICAL SOLUTION OF 3-D TRANSIENT TEMPERATURE FIELD FOR A UNIFORM PLATE SUBJECTED TO GAUSSIAN-DISTRIBUTION LASER HEAT SOURCE

被引：0
|
作者：
Wang, Xiaogui [1 ]
Xiao, Yili [1 ]
Gao, Ninghua [2 ]
Liang, Lihua [1 ]
Lu, Congda [1 ]
Jiang, Haojie [1 ]
机构：
[1] Zhejiang Univ Technol, Coll Mech Engn, Hangzhou, Peoples R China
[2] Zhejiang Univ Sci & Technol, Sch Sci, Dept Big Data Sci, Hangzhou, Peoples R China
来源：
THERMAL SCIENCE | 2021年 / 25卷 / 01期
基金：
中国国家自然科学基金;
关键词：
3-D temperature distribution; Gaussian-distribution heat source; separate variable method; Newton-Cotes method; INDUCED PHASE-CHANGE; SILICON-NITRIDE; NUMERICAL-SIMULATION; MODEL; ABSORPTION; PENETRATION; SIZE; FLOW;
D O I：
10.2298/TSCI190102268W
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
One 3-D transient temperature field model for a thin uniform plate caused by a moving laser heat source is described in present study. The heat source model with a power density in Gaussian-distribution form is considered when a finite-thin uniform plate is heated. By using the separate variable method and the Newton-Cotes method, a semi-analytical solution of 3-D heat conduction equation in the finite field is obtained. Numerical results show that the effect of laser heat source distribution, laser moving speed as well as aspect ratio of the thin uniform plate have great influence on the 3-D distribution of the temperature field.
引用
收藏
页码：107 / 119
页数：13
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