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首页> 外文会议>International topical meeting on nuclear thermal hydraulics, operations and safety;NUTHOS-5 >Helium loop and test of the hot gas duct of htr-10
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Helium loop and test of the hot gas duct of htr-10

机译：氦回路和HTR-10的热气管道测试

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摘要

A horizontal coaxial double tube hot gas duct (HGD) with an internal thermal insulation is to be used for the 10MW High Temperature Reactor Test Module (HTR-10). Its thermal performance test was conducted on a helium test loop (HETL). the present paper deals with the technical feature of the HETL, the test section and the thermal performance of the HGD. The HETL consists of loop, purification, storage, pressure regulation system of helium gas, sampling and analyzing system of trace impurity in helium gas, etc.. The HGD test section with a triple tube structure includes an inner heater, a HGD model and a cold-hot gas mixer. A counterflow of cold and hot helium gas with respective temperature of 250 and 700 deg C was formed outside and inside the HGD model. The effective thermal conductivity (lambda eff) of the internal insulation of the HGD was investigated experimentally. The obtained relationships of lambda eff depending on temperature and pressure of helium gas are rational.
机译：10MW高温反应堆测试模块（HTR-10）将使用带有内部绝热层的水平同轴双管热气导管（HGD）。它的热性能测试是在氦气测试回路（HETL）上进行的。本文讨论了HETL的技术特点，测试部分和HGD的热性能。 HETL由回路，净化，存储，氦气压力调节系统，氦气中微量杂质的采样和分析系统等组成。具有三重管结构的HGD测试部分包括一个内部加热器，一个HGD模型和一个冷热气体混合器。在HGD模型的内部和外部分别形成了温度分别为250和700摄氏度的冷和热氦气的逆流。通过实验研究了HGD内部绝缘的有效导热系数（lambda eff）。所获得的λeff与氦气的温度和压力之间的关系是合理的。

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