Icicle/frost heave prevention system aided by heat pipe for railway tunnel

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作者：
Railway Technical Research Inst, Tokyo, Japan [1 ]
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来源：
Proc Int Conf Cold Reg Eng | / 499-509期
关键词：
Computer simulation - Electric railroads - Heat pipes - Heat transfer - Ice problems - Mathematical models - Temperature measurement - Vehicular tunnels;
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摘要：
We developed an icicle/frost heave prevention system aided by a heat pipe for railway tunnels. To evaluate the system, we installed test pieces in an existing tunnel and measured their temperatures. Furthermore, effects were confirmed through a numerical simulation of heat transfer using a one-dimensional unsteady-state model. On the basis of the results of field test and simulation, it is concluded that the developed system effectively prevents icicle/frost heave.
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