| 组合式片状放大器热恢复模拟研究 |
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| 引用本文： | 於海武,郑万国,贺少勃,王成程,淳于咏梅,刘勇,周海.组合式片状放大器热恢复模拟研究[J].强激光与粒子束,2000,12(4):411-415. |
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| 作者姓名： | 於海武 郑万国 贺少勃 王成程 淳于咏梅 刘勇 周海 |
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| 作者单位： | 中国工程物理研究院核物理与化学研究所，四川绵阳919信箱98分箱，621900 |
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| 基金项目： | 国家863惯性约束聚变领域资助课题!（863－416－7．3） |
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| 摘 要： | 针对组合式片状放大器工作时的热量沉积特性，分析了氙灯箱和片腔的冷却过程，重点研究了激光介质钕玻璃片的热恢复过程。初步的热分析表明，为每支氙灯提供4.7×10-3m3/s的冷却气量以及为每个片腔提供7.6×10-3m3/s的冷却气量时能够满足装置4小时一发的运行频率要求。
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| 关 键 词： | 片状放大器 热恢复 数值模拟 |
| 收稿时间： | 1900-01-01; |
NUMERICAL SIMULATION OF THERMAL RECOVERY OF THE MULTI-SEGMENT AMPLIFIERS |
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| YU Hai-wu,ZHENG Wan-guo,HE Shao-bo,WANG Cheng-cheng,CHUNYU Yong-mei,LIU Yong,ZHOU Hai.NUMERICAL SIMULATION OF THERMAL RECOVERY OF THE MULTI-SEGMENT AMPLIFIERS[J].High Power Laser and Particle Beams,2000,12(4):411-415. |
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| Authors: | YU Hai-wu ZHENG Wan-guo HE Shao-bo WANG Cheng-cheng CHUNYU Yong-mei LIU Yong ZHOU Hai |
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| Abstract: | We have investigated numerically the thermal recovery of the large aperture multi-segment amplifiers in the paper. With AMPHR3D, which is a three-dimensional transient finite element heat transfer code, the temperature of Nd:glass slab is investigated in detail. Preliminary thermal analysis indicates that active cooling with 4. 7 X 10-3m3s-l per flash lamp in lamp cassette cooperated with 7. 6 X 10-3m3s-l per slab cavity is suffficient to meet the 4hour shot period of the laser system. |
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| Keywords: | disk amplifiers thermal recovery numerical simulation |
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