Numerical Simulation of Pressure Boundary Failure Accident in Lead-Bismuth Eutectic-Supercritical Carbon Dioxide Printed Circuit Heat Exchangers
Huang, Mr. Xi, Lixiang Zhang, Huang, Mr. Yuxin, Chen, Prof. Hongli, Zhang, Mr. Kefan, Chen, Prof. Hongli
🤖 gxceed AI 要約
日本語
本研究は、鉛冷却高速炉と超臨界CO2ブレイトンサイクルを結ぶプリント回路熱交換器（PCHE）について、高圧CO2と低圧鉛ビスマス共晶の圧力差による破損事故を数値シミュレーションで評価した。安全設計上の重要な知見を提供する。
English
This study numerically simulates the pressure boundary failure accident of a printed circuit heat exchanger (PCHE) connecting a lead-cooled fast reactor and a supercritical CO2 Brayton cycle, focusing on the large pressure difference between the high-pressure CO2 and low-pressure lead-bismuth eutectic. It provides important insights for the safety design of advanced nuclear heat exchangers.
Unofficial AI-generated summary based on the public title and abstract. Not an official translation.
📝 gxceed 編集解説 — Why this matters
日本のGX文脈において
日本はGX政策の一環で次世代原子炉の開発・利用を推進しており、本研究成果は鉛冷却高速炉の安全評価に資する。特にPCHEのような重要機器の破損挙動を把握することは、実機設計や規制対応に役立つ。
In the global GX context
This paper contributes to the global safety case for Generation IV nuclear reactors and supercritical CO2 cycles, which are considered part of low-carbon energy transitions. It offers quantitative insights that can inform international regulatory frameworks for advanced reactor components.
👥 読者別の含意
🔬研究者:Provides a detailed numerical model for PCHE failure analysis that can be extended to other advanced reactor heat exchangers.
🏢実務担当者:Useful for heat exchanger manufacturers and nuclear plant designers to assess pressure boundary integrity and improve safety margins.
🏛政策担当者:Offers evidence for establishing safety standards and licensing requirements for next-generation nuclear reactors.
📄 Abstract（原文）
Due to its excellent heat transfer performance and compact structure, the printed circuit heat exchanger (PCHE) has become the mainstream heat exchange equipment between the secondary circuit of the supercritical carbon dioxide Brayton cycle and the primary circuit of the lead-cooled fast reactor. During the operation of the Lbe-SCO2 PCHE, the huge pressure difference between the cold side (high pressure S-CO2) and the hot side (atmospheric pressure lead-bismuth eutectic) combined with the co...
🔗 Provenance — このレコードを発見したソース
- chinarxiv https://chinaxiv.org/abs/202506.00048first seen 2026-08-02 13:52:41
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