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Estimation of safety parameters of equilibrium cycle of Indian Pressurized Water Reactor (IPWR)

机译：安全参数估计的平衡印度的循环压水反应堆(IPWR)

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The Indian Pressurized Water Reactor (IPWR) is being designed with enriched uranium fuel and light water as coolant in a hexagonal lattice arrangement. The physics design of the core included optimization of ~(235)U content in the fuel to achieve a target discharge burnup of about 50 GWD/T in a multi-cycle batch re-fuelling mode. The burnup reactivity control during the cycle is achieved by soluble boron. IPWR has been designed as per current safety standards where all the reactivity coefficients are negative in all the operating conditions. The kinetic parameters together with the reactivity coefficients are also used in safety analysis. The reactivity coefficients have been estimated from detailed 3D core simulations and the kinetic parameters have been estimated using the conventional perturbation theory expressions which involve weighting by the adjoint flux. Present work reports the estimation of the range of reactivity coefficients over an equilibrium operating cycle to be used to calculate the effective feedbacks and safety margins.
机译：印度的压水反应堆(IPWR)用浓缩铀燃料和设计轻水冷却剂在六角晶格安排。包括优化~ (235)U含量燃料达到目标卸料燃耗约50 GWD / T多循环批燃料补给模式。循环是通过可溶性硼。按现行的安全标准,设计所有的反应性系数是负的所有的操作条件。参数与反应系数也用于安全分析。反应性系数估计从详细的3 d核心模拟和动力学参数估计使用传统的微扰理论表达式涉及伴随通量权重。现在的工作报告的估计范围反应性系数在一个平衡状态营业周期计算使用有效的反馈和安全的利润率。

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