A review of flow and heat transfer characteristics of supercritical carbon dioxide under cooling conditions in energy and power systems

D Wu, M Wei, R Tian, S Zheng, J He - Energies, 2022 - mdpi.com
Supercritical carbon dioxide (SCO2) is widely used in many fields of energy and power
engineering, such as nuclear reactors, solar thermal power generation systems, and …

Investigation on local convection heat transfer of supercritical CO2 during cooling in horizontal semicircular channels of printed circuit heat exchanger

Z Ren, CR Zhao, PX Jiang, HL Bo - Applied Thermal Engineering, 2019 - Elsevier
The local heat transfer characteristics of supercritical CO 2 flowing in horizontal semicircular
straight channel of the printed circuit heat exchanger (PCHE) geometries during cooling …

Enhancing the performance of supercritical CO2-cooled heat sink by converging–diverging minichannels

M Khoshvaght-Aliabadi, P Ghodrati, O Mahian… - Applied Thermal …, 2023 - Elsevier
Heat sinks are broadly utilized in micro-electromechanical systems (MEMSs) to optimize
their performance and durability. Due to the ongoing rapid development in this realm …

Numerical study on the effects of cylindrical roughness on heat transfer performance and entropy generation of supercritical carbon dioxide in vertical tubes

J Chen, R Zhao, YL Nian, WL Cheng - … Journal of Heat and Mass Transfer, 2023 - Elsevier
In view of heat transfer deterioration (HTD), rough tubes may help improve heat transfer
performance and reduce irreversibility simultaneously. The effects of the tube with cylindrical …

Buoyancy effects on convective heat transfer of supercritical CO2 and thermal stress in parabolic trough receivers under non-uniform solar flux distribution

K Wang, ZD Zhang, XY Zhang, CH Min - … Journal of Heat and Mass Transfer, 2021 - Elsevier
The buoyancy influenced heat transfer characteristics of S-CO 2 have been investigated
widely in previous studies, but limited to the conditions with constant wall temperature or …

A comprehensive review on numerical approaches to simulate heat transfer of turbulent supercritical CO2 flows

J Wang, Z Guan, H Gurgenci, Y Sun… - … Heat Transfer, Part B …, 2020 - Taylor & Francis
Extensive computational investigations have been performed to obtain more detailed
information about the peculiar phenomena of turbulent supercritical carbon dioxide (sCO2) …

Convective heat transfer characteristics of supercritical CO2 in mini-channels of compact solar receivers under unilateral heating conditions

K Wang, YF Li, ZD Zhang, SF Li, YH Fan… - Applied Thermal …, 2023 - Elsevier
The compact solar receiver based on mini-channels is one of the most attractive options for
the directly heated S-CO 2 solar receiver due to its excellent thermal performance and …

Dual-effect evaluation of heat transfer deterioration of supercritical carbon dioxide in variable cross-section horizontal tubes under heating conditions

C Li, J Hao, X Wang, Z Ge, X Du - International Journal of Heat and Mass …, 2022 - Elsevier
Heat transfer characteristics analysis of supercritical carbon dioxide (sCO 2) in variable
cross-section tubes is critical for its promotion and application. This paper proposed three …

Experimental investigation on cooling heat transfer and buoyancy effect of supercritical carbon dioxide in horizontal and vertical micro-channels

Y Lei, B Xu, Z Chen - International Journal of Heat and Mass Transfer, 2021 - Elsevier
This study experimentally investigated the cooling heat transfer characteristics of
supercritical carbon dioxide (CO 2) in circular horizontal and vertical (downward and …

Heat transfer of supercritical carbon dioxide in a tube-in-tube heat exchanger-a CFD study

W Li, Z Yu, Y Wang, Y Li - The Journal of Supercritical Fluids, 2022 - Elsevier
For better design and optimization of the heat exchanger (HX), forced convective heat
transfer and flow characteristics of supercritical carbon dioxide (SCO2) in a water-cooled …