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Power in a nuclear reactor is controlled by altering the reactivity input through the use of various reactivity control devices like control rods, liquid poisons light water compartments, etc. A positive reactivity increases the effective neutron multiplication rate, thus increasing the reactor power, while a negative reactivity reduces the reactor power through decrease in effective neutron multiplication rate. The control system in a nuclear reactor generates the inputs which modulate the reactivity control devices to alter the reactivity input to the reactor in order to control the power.

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Interval Methods in Nuclear Reactor Control

  • 章节

  • 发表日期：

    2025年

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  • Amitava Gupta,
  • Debayan Bose,
  • Shohan Banerjee

摘要

Power in a nuclear reactor is controlled by altering the reactivity input through the use of various reactivity control devices like control rods, liquid poisons light water compartments, etc. A positive reactivity increases the effective neutron multiplication rate, thus increasing the reactor power, while a negative reactivity reduces the reactor power through decrease in effective neutron multiplication rate. The control system in a nuclear reactor generates the inputs which modulate the reactivity control devices to alter the reactivity input to the reactor in order to control the power.