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由于国际热核聚变实验堆(International Thermonuclear Experimental Reactor,简称ITER)的磁体系统运行时利用迫流氦进行冷却,迫流氦在线圈内部流动,产生一定阻力,会影响磁体线圈的正常工作,需要对磁体线圈进行压降测试。着重介绍线圈导体的流体测试试验,根据ITER纵向场(Toroidal Field,简称TF)的导体PA技术要求,搭建测试平台并在室温下进行氮气压降-流量测试实验。使用经验公式进行理论压降计算,计算结果与测量值进行对比,较为接近。同时,也利用该根导体参数进行低温下压降计算,计算结果和国外相关数据,相似。
Due to the cooling of the magnet system of the International Thermonuclear Experimental Reactor (ITER) by forced-air helium, the forced flow of helium flows inside the coil to produce some resistance, which will affect the normal operation of the magnet coil. Magnet coil pressure drop test. In this paper, the fluid test of coil conductor is emphatically introduced. According to the technical requirements of conductor PA of ITER longitudinal field (TF), a test platform is set up and nitrogen pressure drop-flow test is conducted at room temperature. Using the empirical formula to calculate the theoretical pressure drop, the calculated results are compared with the measured values, which are close to each other. At the same time, the root conductor parameters are also used to calculate the voltage drop at low temperature. The calculated results are similar to those of foreign data.