A neutronic pin cell and full-core design analysis of the 4S reactor

被引：4

作者：

Koreshi, Zafar Ullah ^{[1
]}

Hussain, S. Zahid ^{[1
]}

机构：

[1] Air Univ, Dept Mechatron Engn, Islamabad, Pakistan

来源：

ANNALS OF NUCLEAR ENERGY | 2014年 / 72卷

关键词：

4S; Full-core; Neutronics; MCNP;

D O I：

10.1016/j.anucene.2014.05.015

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

The 4S (Super-safe small, and simple reactor) core, based on the Toshiba Gen-IV 10 MWe fast reactor design, is modeled and simulated with the Monte Carlo code MCNP to obtain useful neutronics design information. This paper carries out a preliminary pin-cell simulation to obtain the neutron spectrum, the infinite multiplication k(infinity), and the effect of temperature and moderator density followed by a full-core simulation for the effective multiplication factor k(eff) with a central absorber control rod. Two absorber materials are considered viz boron carbide (B4C) and hafnium (Hf) to determine the fuel inventory to balance the beginning of cycle (BOC) excess reactivity. It is found that for a single central absorber rod of radius 9 cm, the maximum fuel rod radius is 6 mm for hafnium and 6.2 mm for B4C. This work is of use for the core design of small multipurpose Gen-IV reactors. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：145 / 150

页数：6

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