| EXPERIMENTAL INVESTIGATION OF EMERGENCY GATE SHUTTING FOR ORIFICE TUNNEL |
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| 作者单位： | State Key Hydraulics Laboratory of High Speed Flows, Sichuan University, Chengdu 610065, China |
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| 基金项目： | DoctoralBaseFoundationofHigherEducation .(No :2 0 0 10 6 10 0 0 7) |
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| 摘 要： |
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EXPERIMENTAL INVESTIGATION OF EMERGENCY GATE SHUTTING FOR ORIFICE TUNNEL |
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| Wang Wei,Yang Yong-quan,Xu Wei-lin,Liu Shan-jun,Diao Ming-jun,Zhang Jian-min. EXPERIMENTAL INVESTIGATION OF EMERGENCY GATE SHUTTING FOR ORIFICE TUNNEL[J]. Journal of Hydrodynamics, 2002, 14(3) |
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| Authors: | Wang Wei Yang Yong-quan Xu Wei-lin Liu Shan-jun Diao Ming-jun Zhang Jian-min |
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| Abstract: | In the process of the emergence gate shutting of one orifice tunnel, a big noise and great vibration may be observed in the mid gate chamber. In order to guarantee the working safety of orifice tunnels, an experimental investiga-tion is carried out in Sichuan University. In the investigation,the fluctuation pressure along the tunnel and the wind velocity in the entry of emergency gate are measured. In the mean time, the fluid state in orifice tunnel is carefully observed and analyzed. The reasons of the noise and vibration in the mid gate chamber are found out and some countermeasures are presented in this paper. The conclusions are useful to the ori-fice tunnels with high water head and huge discharge. |
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| Keywords: | orifice tunnel emergency gate mid gate chamber fluctuation pressure experimental investigation |
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