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液体激光器中温度分布的耦合分析 预览

Coupled Analysis of Temperature Distribution in Liquid Laser Medium
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摘要 介质的流动改善了液体激光器温度分布的均匀性,起到了自我冷却、减小热效应的作用。应用有限单元法,对单侧泵浦液体激光器工作时涉及的传热和流动过程,进行热-流-固耦合分析,完成对液体介质温度场的数值模拟,并研究了介质流速对温度场的影响。研究结果可为改善液体激光器的冷却效果提供指导。 The unifomrity of temperature distribution in liquid laser systems was improved by medium flows, and the negative thermal effects were decreased by this self-cooling of medium. For the coupled effects between flow and transient thermal conduction happened in a liquid laser system pumped unilaterally, the finite element method was used to analyze the thermal-flow-solid interactions, and the numerical results of temperature and its gradient of liquid medium were obtained, moreover the influence of fluid relocity on temperature distribution was also studied. The results presented in this paper provide a guide for improving the cooling effect for liquid laser systems.
作者 张玉明 易丽清 魏泳涛 魏晓娟 冯国英 ZHANG Yu-ming, YI Li-qing, WEI Yong-tao, WEI Xiao-juan, FENG Guo-ying (1. College of Architecture and Environment, Sichuan University, Chengdu 610054, Sichuan, China; 2. Department of Power, Sichuan Electric Vacational and Technical College, Chengdu 514000, Sichuan , China; 3. School of Electronics & Information Engineering, Sichuan University, Chengdu 610064, Sichuan, China)
出处 《西南科技大学学报》 CAS 2010年第1期 45-50,共6页 Journal of Southwest University of Science and Technology
基金 基金项目:国家自然科学基金重大项目(60890203)和NSAF项目资助课题(10676023).
关键词 液体激光器 有限单元法 热-流-固耦合 温度分布 Liquid laser Finite element method Thermal-flow-solid coupling Temperature distribution
作者简介 作者简介:张玉明(1985-),男,硕士研究生,从事复杂系统的有限元数值模拟。E-mail:beyondzym@sina.com。 通讯作者:魏泳涛(1971-),男,教授,博士,从事复杂系统的有限元数值模拟。E-mail:wyt2119@hotmail.com。
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