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Dhruva simulator: core neutronics and thermal hydraulics modules

机译：Dhruva模拟器:核心中子学和热液压模块

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摘要

It is widely recognized that simulators play an essential and extremely important role in training programs for nuclear power plants (NPPs). The full-scope training simulators provide such in-depth training tools for reactor operators. A full-scope simulator has been developed for research reactor, Dhruva at BARC. The details about the development activities are covered in this paper. Safety analysis and operational experience consistently indicate that human error is one of the key contributors to the risk of a severe accident in a nuclear reactor. The use of full-scope simulator in the training of operators is an essential element to reduce human error. This paper presents the core neutronics and thermal hydraulics of model of Dhruva reactor incorporated in the Dhruva simulator. The core neutronics module is based on point kinetics model which estimates the reactor power depending on the core reactivity. The simulator can reproduce the different operational scenario, i.e., reactor operation under equilibrium and non-equilibrium condition, xenon transients, loss of regulation incidents, etc. The simulator will also be used to study the role of human reliability in safety of nuclear plants. The simulator was so designed that over and above training of the plant personnel, it will be used for safety studies in the area of reactor physics and thermal hydraulics. The interface was designed to support the interaction of the operators with the simulator through virtual panels supported by touch screens with high-fidelity graphic displays. Important Postulated Initiating Events (PIEs) like Loss of Offsite Power, Loss of Coolant Accident, Loss of Regulation Incident, etc. have been modeled. This information will provide an insight to verify and validate the plant Emergency Operating Procedures (EOPs). The simulator will also be used for development of human factor models as well as the design of future Visual Display Unit based control rooms. This will also enable the operators to align themselves from the traditional panel-based Human-Machine Interface to personal computers.
机译：人们普遍认识到模拟器发挥重要和极其重要的作用为核电站培训项目(npp)。为反应堆提供这样的深入培训工具操作符。为研究开发的反应堆,Dhruva巴克。开发活动的详细信息摘要覆盖。运营经验表明人为错误是关键因素之一在一个核反应堆的风险严重的事故。全领域的使用模拟器的训练运营商是一个重要的元素的减少人为的错误。中子学和热能的水力学模型纳入Dhruva Dhruva反应堆模拟器。点估计反应堆动力学模型根据核心反应。模拟器可以再现不同的操作场景,即反应堆操作下平衡和非平衡条件,氙瞬变、监管缺失事件等。模拟器也将用于研究的作用人类在核电站的安全可靠性。模拟器设计,超过培训的人员,它将被使用安全研究领域的反应堆物理和热液压。旨在支持交互的通过虚拟运营商的模拟器面板支持触摸屏高保真图形显示。假设初始的事件(派)的损失离线能力、失水事故损失监管事件等建模。信息将提供一个验证和洞察力验证工厂应急操作程序(bgi)。的发展以及人的因素模型设计未来的视觉显示装置控制房间。运营商的结盟传统的基于仪表盘人机界面个人电脑。

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