先进铅冷模块化核反应堆（ALMANAR）的Neutronics设计研究

Q4 Energy

International Journal of Nuclear Energy Science and Technology Pub Date : 2020-08-03 DOI:10.1504/ijnest.2020.10030863

D. Hartanto, Safa Alhamad, K. Mahmoud, N. Kurdi, M. Zubair

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引用次数: 1

摘要

本文研究了一种具有长寿命堆芯的先进小型模块化反应堆的设计。堆芯设计为在不加油的情况下产生45兆瓦时的功率，使用寿命为20年。为了实现紧凑的设计并具有良好的中子经济性，铅因其优异的中子学和热物理性质而被认为是冷却剂。然而，堆芯中的铅冷却剂速度限制在2 m/s，以最大限度地减少结构材料的腐蚀和侵蚀。另一方面，使用U15N作为燃料，其反映了优异的热物理性质和与铅的相容性。在这项研究中，评估了堆芯的中子学特性，包括其寿命期间的反应性演变、控制棒价值以及燃料和冷却剂反应性反馈。研究发现，ALMANAR可以实现约22年有效满功率的长寿命堆芯，具有非常优异的固有安全特性。蒙特卡罗Serpent代码用于与最新的核数据库ENDF/B-VIII.0一起执行计算。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Neutronics design study of an advanced lead-cooled modular nuclear reactor (ALMANAR)

A design of an advanced small modular reactor with long-life core is being studied in this paper. The core is designed to produce 45 MWth power with a lifetime of 20 years without refuelling. In order to achieve a compact design and have a good neutron economy, lead is considered as the coolant due to its excellent neutronics and thermo-physical properties. However, the lead coolant speed in the core is limited to 2 m/s to minimise the corrosion and erosion of the structural materials. On the other hand, U15N is used as the fuel which reflects excellent thermophysical properties and compatibility with lead. In this study, the neutronics properties of the core including the reactivity evolution during its lifetime, the control rod worth, and the fuel and coolant reactivity feedbacks are evaluated. It was found that ALMANAR could achieve a long-life core of about 22 effective full power years with very excellent inherent safety features. Monte Carlo Serpent code is used to perform the calculations in conjunction with the latest nuclear data library ENDF/B-VIII.0.

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来源期刊

International Journal of Nuclear Energy Science and Technology Energy-Nuclear Energy and Engineering

CiteScore

0.80

自引率

0.00%

发文量

期刊介绍： Today, nuclear reactors generate nearly one quarter of the electricity in nations representing two thirds of humanity, and other nuclear applications are integral to many aspects of the world economy. Nuclear fission remains an important option for meeting energy requirements and maintaining a balanced worldwide energy policy; with major countries expanding nuclear energy"s role and new countries poised to introduce it, the key issue is not whether the use of nuclear technology will grow worldwide, even if public opinion concerning safety, the economics of nuclear power, and waste disposal issues adversely affect the general acceptance of nuclear power, but whether it will grow fast enough to make a decisive contribution to the global imperative of sustainable development.