A new water level monitor system for nuclear reactor vessel during and after locas

机译：新的核反应堆容器水位监测系统

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The water level in nuclear reactor vessel is an important parameter during and after LOCAs. It can not meet the nuclear safety specification to use the water level measured in the pressurizer to show the level in the vessel. It is difficult to monitor the water level in the vesel of NHR-200 nuclear heating reactor with present differential pressure transducers. A new level detector based on the heat transfer difference between water (or liquid) and steam (or gas) is developed and proven for use by experiments under the pressure 0.15-3.0 MPa. A new water level monitor system including a detector assembly that contains several detectors, a signal encoder and an intellectual processor, is designed. The analysis and experiments show that the new system is correct in principle, reliable in working properties and feasible in structure for monitoring the water level in the NHR-200 reactor.

机译：在LOCA期间和之后，核反应堆容器中的水位是一个重要参数。使用增压器中测得的水位来显示容器中的水位不符合核安全规范。使用现有的压差传感器很难监测NHR-200核加热反应堆容器中的水位。基于水（或液体）与蒸汽（或气体）之间的热传递差异的新型液位检测器已开发出来，并已通过实验证明可在0.15-3.0 MPa的压力下使用。设计了一种新的水位监测系统，该系统包括一个包含多个检测器的检测器组件，一个信号编码器和一个智能处理器。分析和实验表明，该新系统原理正确，工作性能可靠，结构可行，可用于监测NHR-200反应堆的水位。

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《International topical meeting on nuclear thermal hydraulics, operations and safety;NUTHOS-5》|1997年|p.FF7-1-4|共1页
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Wang Wenran; Jiang Yueyuan; Duan quansheng; Lu Lin; Wei Yali;
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中图分类原子能技术;
关键词
nuclear heating reactor (NHR); LOCA; liquid level monitor; thermocouple; detector;

机译：核加热反应堆（NHR）; LOCA;液位监控器;热电偶探测器;

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4. A new water level monitor system for nuclear reactor vessel during and after locas [C] . Wang Wenran, Jiang Yueyuan, Duan quansheng, International topical meeting on nuclear thermal hydraulics, operations and safety . 1997

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7. Arrangement between the United States Nuclear Regulatory Commission (USNRC) and the Commission of the European Communities on behalf of the European Atomic Energy Community (Euratom) on in-pile light water reactor (LWR) loss of coolant accident (LOCA) simulation. Communication from the Commission to the Council. COM (81) 551 final, 1 October 1981 [O] . 1981

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A new water level monitor system for nuclear reactor vessel during and after locas

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