Analysis on reactivity initiated transient from control rod failure events of a molten salt reactor

Analysis on reactivity initiated transient from control rod failure events of a molten salt reactor

In a molten salt reactor （MSR）, the fuel is dissolved in fluoride salt. In this paper, the reactivity worth and reactivity initiated transient of Molten-Salt Reactor Experiment （MSRE） in the control rod failure events are analyzed, The point kinetic coupling heat-transfer model with decay character...

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Veröffentlicht in:核技术（英文版） 2014-06, Vol.25 (3), p.76-80
1. Verfasser: 蔡军 夏晓彬 陈堃 梅牡丹 王建华
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事件
功率电平
反应堆
控制棒
故障
温度上升
熔盐
瞬态
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creator 蔡军 夏晓彬 陈堃 梅牡丹 王建华
description In a molten salt reactor （MSR）, the fuel is dissolved in fluoride salt. In this paper, the reactivity worth and reactivity initiated transient of Molten-Salt Reactor Experiment （MSRE） in the control rod failure events are analyzed, The point kinetic coupling heat-transfer model with decay character of six-group delayed neutron precursors due to the fuel motion is applied. The relative power and temperature transient under reactivity step and ramp initiated at different power levels are studied. The results show that the reactor power and temperature increase to a maximum, where they begin to decrease to stable values. Comparing with full power level, the transient result at low power level is more serious. The results are of help in our study on safety characteristics of an MSR system.
doi_str_mv 10.13538/j.1001-8042/nst.25.030602
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subjects 事件
功率电平
反应堆
控制棒
故障
温度上升
熔盐
瞬态
title Analysis on reactivity initiated transient from control rod failure events of a molten salt reactor
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