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- W2369838668 abstract "To analyze the effect and the difference of the train - induced piston phenomena in subway tunnel with shaft and without shaft,a three - dimensional unsteady numerical analysis using the moving mesh and the sliding interface methods was carried out for the tunnel.The results show that the numerical result using moving mesh method for the tunnel without shaft agrees well with the foreign experimental data.In the tunnel with shaft,the peak of the velocity of the tunnel inlet takes places at the time when the train is passing by the shaft,The peak time of the velocity at the tunnel outlet is the same as that for the tunnel without shaft.And the peak value is a little bigger.The shaft is beneficial to reducing the pressure gradient and the pressure amplitude at the tunnel inlet.But the pressure gradient and the pressure amplitude at the tunnel outlet is much greater when the train is passing by the shaft.The pressure in rear of the train would change from negative to positive." @default.
- W2369838668 created "2016-06-24" @default.
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- W2369838668 date "2009-01-01" @default.
- W2369838668 modified "2023-09-23" @default.
- W2369838668 title "Simulation Research on Train-induced Piston Effect in Subway Tunnels with and without Shaft" @default.
- W2369838668 hasPublicationYear "2009" @default.
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