Advances in thermal–hydraulic performance and dynamic behavior of supercritical CO2 in printed circuit heat exchangers: mechanisms, innovations, and future perspectives

• Published in: The International journal of heat and fluid flow Vol. 116; p. 109953
• Main Authors: Chen, Junlin, Du, Wenhai, Cheng, Keyong, Li, Xunfeng, Huai, Xiulan, Guo, Jiangfeng, Lv, Pengfei, Dong, Hongsheng
• Format: Journal Article
• Language: English
• Published: Elsevier Inc 01.12.2025
• Subjects: Dynamic thermal–hydraulic characteristic; Flow and heat transfer characteristic; Performance evaluation; Printed circuit heat exchanger; Supercritical CO2; Performance evaluation; Flow and heat transfer characteristic; Printed circuit heat exchanger; Dynamic thermal–hydraulic characteristic; Supercritical CO2

[Display omitted] •Developments of buoyancy and acceleration effects and pseudo-boiling theory are summarized.•Many novel structures for enhanced heat transfer are summarized.•Dynamic heat transport characteristics and thermal inertia in PCHEs needs more research.•New theories offer optimization str...