[1]王强,高璞珍,王忠乙,等.RELAP5对低压自然循环系统的分析能力研究[J].哈尔滨工程大学学报,2019,40(05):920-925.[doi:10.11990/jheu.201803056]
 WANG Qiang,GAO Puzhen,WANG Zhongyi,et al.Analysis capability of RELAP5 in low-pressure natural circulation systems[J].hebgcdxxb,2019,40(05):920-925.[doi:10.11990/jheu.201803056]
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RELAP5对低压自然循环系统的分析能力研究(/HTML)
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
40
期数:
2019年05期
页码:
920-925
栏目:
出版日期:
2019-05-05

文章信息/Info

Title:
Analysis capability of RELAP5 in low-pressure natural circulation systems
作者:
王强 高璞珍 王忠乙 陈先兵 黄莹
哈尔滨工程大学 核安全与仿真技术国防重点学科实验室, 黑龙江 哈尔滨 150001
Author(s):
WANG Qiang GAO Puzhen WANG Zhongyi CHEN Xianbing HUANG Ying
Fundamental Science on Nuclear Safety and Simulation Technology Laboratory, Harbin Engineering University, Harbin 150001, China
关键词:
自然循环流动不稳定性RELAP5瞬态特性低压敏感性分析库郎数快速傅里叶变换
分类号:
TL33
DOI:
10.11990/jheu.201803056
文献标志码:
A
摘要:
为了解决低压条件下自然循环相关现象模拟不准确问题,本文开展了稳态、瞬态及流动不稳定性等一系列的自然循环实验研究。利用反应堆瞬态热工水力程序RELAP5,讨论了低压自然循环相关问题的敏感性。结合瞬态实验数据,进行了空间、时间步长的敏感性分析,给出了时间步长敏感性的检验依据。通过对一类工况下的流动不稳定性进行模拟和实验,评估了RELAP5的能力。结果表明:对两相自然循环问题,可以根据库郎数来进行无关性验证。对于高热流密度下系统中出现的复合动态流动不稳定性,恰当的模型选取及参数敏感性验证能有效提高模拟的准确性。结合快速傅里叶变换的分析结果可知,长直上升段内发生的周期性相变过程是复合动态流动不稳定性的非线性负载。

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备注/Memo

备注/Memo:
收稿日期:2018-3-15。
基金项目:国家自然科学基金项目(11605033),核能安全劳氏基金项目.
作者简介:王强,男,博士研究生;高璞珍,女,教授,博士生导师.
通讯作者:高璞珍,E-mail:gaopuzhen@sina.com
更新日期/Last Update: 2019-05-14