A brief review on convection heat transfer of fluids at supercritical pressures in tubes and the recent progress

D Huang, Z Wu, B Sunden, W Li - Applied Energy, 2016 - Elsevier
This study presents a state-of-the-art overview on heat transfer characteristics of fluids
(mainly water, carbon dioxide and hydrocarbon fuels) flowing in smooth tubes and …

The turbulent flows of supercritical fluids with heat transfer

JY Yoo - Annual review of fluid mechanics, 2013 - annualreviews.org
Serious heat-transfer deterioration may occur in fluids at supercritical pressure owing to the
effects of buoyancy, flow acceleration, and significant variations in thermophysical …

Supercritical “boiling” number, a new parameter to distinguish two regimes of carbon dioxide heat transfer in tubes

B Zhu, J Xu, X Wu, J Xie, M Li - International Journal of Thermal Sciences, 2019 - Elsevier
The objective of this paper is to develop a criterion to predict the onset of heat transfer
deterioration (HTD) for supercritical CO 2 heat transfer. A new mechanism is proposed by …

The three-regime-model for pseudo-boiling in supercritical pressure

Q Wang, X Ma, J Xu, M Li, Y Wang - International Journal of Heat and Mass …, 2021 - Elsevier
Supercritical pseudo-boiling (SPPB) refers to the phenomena that when heat is applied to
supercritical fluid, bubble-like and vapor-film-like features appear and wall temperature …

Prediction of supercritical CO2 heat transfer behaviors by combining transfer learning and deep learning based on multi-fidelity data

X Shi, Y Liu, L Xue, W Chen, MK Chyu - … Journal of Heat and Mass Transfer, 2024 - Elsevier
The flow and heat transfer characteristics of supercritical CO 2 are important for heat
exchanger design and the safe operation of supercritical CO 2 power cycles. However, it is …

Convective heat transfer to CO2 at a supercritical pressure flowing vertically upward in tubes and an annular channel

YY Bae, HY Kim - Experimental Thermal and Fluid Science, 2009 - Elsevier
The Super-Critical Water-Cooled Reactor (SCWR) has been chosen by the Generation IV
International Forum as one of the candidates for the next generation nuclear reactors. Heat …

Onset of heat transfer deterioration in vertical pipe flows of CO2 at supercritical pressures

N Kline, F Feuerstein, S Tavoularis - International Journal of Heat and Mass …, 2018 - Elsevier
Convective heat transfer to CO 2 flowing upward in electrically heated vertical tubes at
supercritical pressures was studied for wall heat fluxes within ranges that included values …

Machine learning based prediction of heat transfer deterioration of supercritical fluid in upward vertical tubes

R Xiao, P Zhang, L Chen, Y Hou - Applied Thermal Engineering, 2023 - Elsevier
Heat transfer deterioration (HTD) of supercritical fluid is critical to the safe operation of power
systems. Current criteria of HTD have difficulties in the identification of working conditions of …

Thermal characteristics of in-tube upward supercritical CO2 flows and a new heat transfer prediction model based on artificial neural networks (ANN)

F Sun, G Xie, J Song, S Li, CN Markides - Applied Thermal Engineering, 2021 - Elsevier
The potential employment of supercritical carbon dioxide (sCO 2) flows in heated tubes in
many applications requires accurate and reliable predictions of the thermal characteristics of …

A review on application and heat transfer enhancement of supercritical CO2 in low-grade heat conversion

S Zhang, X Xu, C Liu, C Dang - Applied Energy, 2020 - Elsevier
Trans-critical CO 2 Rankine system is a new technology for low-grade heat utilization which
has high energy conversion efficiency and exergo-economic efficiency. The gas heater is …