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Transient Physics Procedure and Preliminary Characteristics Analysis of Aqueous Homogeneous Reactor

[+] Author Affiliations
Liangzi Wang, Yanqin Wei, Hongzhi Xiang, Xiangyang Li

NPIC, Chengdu, China

Paper No. ICONE24-60372, pp. V001T02A018; 13 pages
doi:10.1115/ICONE24-60372
From:
  • 2016 24th International Conference on Nuclear Engineering
  • Volume 1: Operations and Maintenance, Aging Management and Plant Upgrades; Nuclear Fuel, Fuel Cycle, Reactor Physics and Transport Theory; Plant Systems, Structures, Components and Materials; I&C, Digital Controls, and Influence of Human Factors
  • Charlotte, North Carolina, USA, June 26–30, 2016
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 978-0-7918-5001-5
  • Copyright © 2016 by ASME

abstract

Aqueous Homogeneous Reactor demonstrated in this analysis uses Uranyl Nitrate water solution as fuel; for the use of medical isotope producing, AHR has many advantages like small size, low power, passive safety, low output of nuclear waste, etc. Liquid fuel and radiolytic gas bubbles lead to big negative feedback features and fuel fluctuation; these may result in transient excursion, which is extremely important and could affect the operation stability and design of AHRs. For the analysis of transient characteristic of AHR, we developed this transient physics procedure of AHR, it uses improved quasi-static approximation and is based on Multi-group Monte Carlo method, which could consider spatial effects onto transient behavior and has powerful geometry processing ability; both physical model and preliminary validation results will be presented in this article. This procedure applies as an analyzing tool for AHR’s transient behavior; characteristics of AHR in typical transient process are also presented in the article.

Copyright © 2016 by ASME

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