Improving safety margin of LWRs by rethinking the emergency core cooling system criteria and safety system capacity
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- 作者：Youho Lee euo@kaist.ac.kr" class="auth_mail" title="E-mail the corresponding author ; Bokyung Kim bkkim2@kaist.ac.kr" class="auth_mail" title="E-mail the corresponding author ; Hee Cheon NO ; hcno@kaist.ac.kr" class="auth_mail" title="E-mail the corresponding author
- 关键词：L. Safety and Risk Analysis
- 刊名：Nuclear Engineering and Design
- 出版年：2016
- 出版时间：October 2016
- 年：2016
- 卷：307
- 期：Complete
- 页码：402-410
- 全文大小：2521 K
文摘
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Zircaloy embrittlement criteria can increase to 1370 °C for CP-ECR lower than 13%.
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The draft ECCS criteria of U.S. NRC allow less than 5% in power margin.
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The Japanese fracture-based criteria allow around 5% in power margin.
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Increasing SIT inventory is effective in assuring safety margin for power uprates.