Comparative analysis between homogeneous and heterogeneous models of gas cooled fast reactor core (GFR-2400)-Reference-Cited by-同舟云学术

Comparative analysis between homogeneous and heterogeneous models of gas cooled fast reactor core (GFR-2400)

Published:2022-05-12 Issue:4 Volume:87 Page:385-397
ISSN:0932-3902
Container-title:Kerntechnik
language:en
Short-container-title:

Author:

Ibrahim Amr¹,Aziz Moustafa²,El-Fiki Soad A.³,Galahom Ahmed Abdelghafar⁴

Affiliation:

1. High Institute for Engineering and Technology at Al-Obour , Cairo , Egypt

2. Nuclear and Radiological Regulatory Authority, Nasr City , Cairo , Egypt

3. Faculty of Science, Physics Department , Ain Shams University , Cairo , Egypt

4. Higher Technological Institute , 10th of Ramadan City , Egypt

Abstract

Abstract The main objective of the presented work is to investigate the effectiveness of homogenization of the GFR-2400 core in simulating its neutronic characteristics. To explore and evaluate the neutronic behavior of the large scale Gas cooled Fast Reactor GFR-2400 core, two computer models (homogeneous and heterogeneous) were designed using the MCNPX code. The designed heterogeneous model has been validated by comparing its results with a previously published paper. The results of both models were compared with each other to study the effect of fuel homogeneity on the radial flux and power distribution through the core. As part of a safety analysis of the reactor core for both designs, the reactivity worth of control rods, Effective delayed neutron fraction (ß eff), Doppler constant and Depressurization effect have been analyzed and compared. The variations of the effective multiplication factor (k eff), the minor actinides concentration and the most important fission products as a function of operation time have been investigated for the presented designs.

Publisher

Walter de Gruyter GmbH

Subject

Safety, Risk, Reliability and Quality,General Materials Science,Nuclear Energy and Engineering,Nuclear and High Energy Physics,Radiation

Link

https://www.degruyter.com/document/doi/10.1515/kern-2021-1050/pdf

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