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method and device for detecting the axial power distribution in the core of a nuclear reactor, the exterior of the reactor
method and device for detecting the axial power distribution in the core of a nuclear reactor, the exterior of the reactor
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机译:核反应堆堆芯,反应堆外部的轴向功率分布的检测方法和装置
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摘要
A method and apparatus for establishing the axial flux distribution of a reactor core from monitored responses obtained exterior of the reactor. The monitored responses obtained exterior of the reactor. The monitored responses are obtained from at least three axially spaced flux responsive detectors that are positioned within proximity of the periphery of the reactor core. The detectors provide corresponding electrical outputs representative of the flux monitored. The axial height of the core is figuratively divided at a plurality of space coordinates sufficient to provide reconstruction in point representation of the relative flux shape along the core axis. The relative value of flux at each of the spaced coordinates is then established from a sum of the electrical outputs of the detectors, respectively, algebraically modified by a corresponding preestablished constant.
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