articleNuclear Engineering and TechnologyAug 20, 2025DIAMOND OA

Design and performance analysis of 15MWth SCO2-cooled micro reactor

YZYuandong ZhangLRLi RenBZBowen ZhangYMYiran MiaoCGChao Guo

Harbin Engineering University · China General Nuclear Power Corporation (China)

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Abstract

Supercritical carbon dioxide (SCO 2 )-cooled reactors leverage the drastic variations in thermophysical properties near the critical point to achieve high-density compressor operation and low-density reactor operation. This unique characteristic enables enhanced thermal efficiency at moderate reactor outlet temperature while improving the economic viability and operational safety. Furthermore, SCO 2 -based turbomachinery (e.g., turbine and compressor) exhibits exceptional compactness, facilitating modular design and miniaturization potential. These combined advantages have positioned SCO 2 -cooled reactor as a prominent research focus in nuclear engineering worldwide. This study presents the comprehensive…

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42
total citations
FWCI
192.33
Percentile
100%
References
29
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Authors

7

Topics & keywords

Topics
Keywords
  • Nuclear engineering
  • Materials science
  • Reactor design
  • Engineering
UN Sustainable Development Goals
  • Affordable and clean energy
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