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首页> 外文会议>Second Biot Conference on Poromechanics Aug 26-28, 2002 Grenoble, France >Impact of a thermal radioactive waste on the thermal-hydraulic behaviour of a clay engineered barrier system
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Impact of a thermal radioactive waste on the thermal-hydraulic behaviour of a clay engineered barrier system

机译：放射性放射性废料对粘土工程阻隔系统热工水力行为的影响

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摘要

In this study we model the impact of a heat source on the thermo-hydraulic behaviour of a system composed of a clay engineered barrier and a host rock, namely, an argilite. We first discuss the numerical problems related to the modeled system. The results achieved suggest that the saturat on phenomenon is accelerated by the temperature increase. Nevertheless errors in hydraulic parameters estimation could have a comparable, or even stronger, opposite effect. The resaturation kinetic and the gas pressure are not significantly affected by the heat power. Nevertheless presence of vapour near the source at early times could be important with respect to the corrosion of the canister problem. Indeed, vapour is more corrosive than liquid water.
机译：在这项研究中，我们模拟了热源对由黏土工程屏障和主体岩石（即闪锌矿）组成的系统的热工行为的影响。我们首先讨论与建模系统有关的数值问题。所获得的结果表明，饱和现象通过温度升高而加速。然而，水力参数估计中的误差可能会产生可比较的甚至相反的影响。再饱和动力学和气体压力不受热功率的显着影响。然而，就罐问题的腐蚀而言，早期在源附近存在蒸汽可能很重要。实际上，蒸气比液态水更具腐蚀性。

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