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《Journal of Ordnance Equipment Engineering》 2018-06
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Numerical Study on Influence of Protective Shield in PMT Under Water Implosion Load Peculiarity Propagation Property

WANG Tianqiong;FANG Zhiwei;HOU Hailiang;JIN Jian;WU Linjie;LI Mao;College of Naval Architecture and Ocean Engineering,Naval University of Engineering;The No.91189th Troop of PLA;  
Considering PMT underwater imposion may conduce the chain explode of near PMT,we study the PMT in Jiangmen neutrino center detector structure,using numerical simulation method research the load peculiarity of PMT underwater implosion. We also study the protective shield influence on the load peculiarity of PMT explode. Result shows the peak pressure and impluse decrease in the model of power function in the propagate direction. The most strength explosive shock wave is in the direction of Z-. The shock wave strength of PMT with protective shield decrease in the model of power function in the propagate direction of Z+,Z+X+and Z-X+. However,the PMT with protective shield peak pressure shows the model of exponent increase and the impulse shows linear increase. The protective shield can decrease the peak pressure and delay the appear time of peak pressure. But it has little influence in the impulse.
【Fund】: 国家安全重大基础研究项目(613305);; 国家自然科学基金资助项目(51679246 51409253)
【CateGory Index】: O383.1
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