Numerical Simulation on the Effect of Distance Between Plugs on Multi-plug Energy Dissipation

doi:10.11988/ckyyb.20170060

Journal of Changjiang River Scientific Research Institute ›› 2018, Vol. 35 ›› Issue (4): 81-83.DOI: 10.11988/ckyyb.20170060

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Numerical Simulation on the Effect of Distance Between Plugs on Multi-plug Energy Dissipation

ZHANG Li-xin¹, LIANG Wei², AI Wan-zheng³

1.School of Civil Engineering, Beifang University of Nationalities, Yinchuan 750021,China;
2.Engineering Safety and Disaster Prevention Department, Yangtze River Scientific Research Institute, Wuhan 430010 ,China;
3. School of Port and Transportation Engineering,Zhejiang Ocean University, Zhoushan 316022,China

Received:2017-01-16 Published:2018-04-01 Online:2018-04-01

Abstract

Abstract: The distance between upper plug and lower plug affects the energy dissipation capacity of multi-stage plug discharge tunnel. In the present paper, the reasonable distance between the upper plug and the lower plug in multi-stage plug discharge tunnel is researched by numerical simulations. Result shows that when the contraction ratio is in the scope of 0.4-0.8, a reasonable distance between upper plug and lower plug equal to or more than 5.7D would guarantee the full display of plugs in different stages.

Key words: multi-stage plug, energy loss, numerical simulation, reasonable distance, dissipation capacity

CLC Number:

TV22

ZHANG Li-xin, LIANG Wei, AI Wan-zheng. Numerical Simulation on the Effect of Distance Between Plugs on Multi-plug Energy Dissipation[J]. Journal of Changjiang River Scientific Research Institute, 2018, 35(4): 81-83.

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Numerical Simulation on the Effect of Distance Between Plugs on Multi-plug Energy Dissipation

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