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Technical Brief

Thermal-hydraulic Model and Program Development for Helium-cooled ADS

[+] Author and Article Information
Tianji Peng

Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, 730000, China
pengtianji@163.com

Zhiwei Zhou

Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, China
zhouzhw@mail.tsinghua.edu.cn

1Corresponding author.

ASME doi:10.1115/1.4035333 History: Received April 14, 2016; Revised October 18, 2016

Abstract

The Accelerator Driven Subcritical Reactor System (ADS) is a kind of nuclear reactor which can burn minor actinide waste products produced from conventional reactors with inherent safety features. In this paper, the thermal-hydraulic model and a corresponding program for a 10MW helium-cooled experimental ADS are presented. Through the analysis of the heat transfer mechanism in ADS, the thermal-hydraulic model of ADS was built, in which the solid domain simulated with three-dimensional heat conduction model and the fluid domain simulated with the one-dimensional quasi-static model. In order to analyze the transient characteristics of ADS with cooling system, a RELAP5-TRCAP coupling model for the cooling system was established, in which the decay heat of the target and core is considered. The results of steady condition and transients demonstrate the effectiveness of the transient model.

Copyright (c) 2016 by ASME
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