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 …

Research progress on convective heat transfer characteristics of supercritical fluids in curved tube

X Liu, S Li, L Liu, C He, Z Sun, F Özdemir, M Aziz… - Energies, 2022 - mdpi.com
Because of their compact structure, ease of processing and higher heat transfer coefficient,
curved-tube heat exchangers are widely applied in various industry applications, such as …

Flow and thermal performance of supercritical n-decane in double-layer channels for regenerative cooling of a scramjet combustor

Y Li, G Xie, B Sunden - Applied Thermal Engineering, 2020 - Elsevier
In order to improve the active regenerative cooling performance of a scramjet using
supercritical n-decane, a new type of cooling channel, the double-layer channel, is …

Friction factor and Nusselt number correlations for forced convection in helical tubes

H Zhao, X Li, Y Wu, X Wu - International Journal of Heat and Mass Transfer, 2020 - Elsevier
Helical tubes are widely used in heat exchangers in various industries. Due to the
secondary flow caused by centrifugal forces, flow and heat transfer characteristics in helical …

Experimental and numerical study on the heat transfer characteristic of supercritical water with high mass velocity in a helically coiled tube

F Chang, H Hu, Y Shang, Y Hu, X Li, H Lei… - International Journal of …, 2022 - Elsevier
To explore the flow and heat transfer characteristics of supercritical fluid with high mass
velocity in a helically coiled tube, experiments and numerical simulations were conducted to …

Intensified single-phase forced convective heat transfer with helical-twisted tube in coil heat exchangers

M Farnam, M Khoshvaght-Aliabadi… - Annals of Nuclear …, 2021 - Elsevier
The twisting structure is proposed to enhance the thermal performance of a coil heat
exchanger equipped with the helical tube. Actually, it intensifies the fluid mixing and breaks …

An investigation of heat transfer in heat exchange devices with spirally-coiled twisted-ducts using nanofluid

M Khoshvaght-Aliabadi, SF Khaligh… - Applied Thermal …, 2018 - Elsevier
A new design of curved ducts namely spirally-coiled twisted-duct is introduced and analyzed
both experimentally and numerically. Water and Cu/water nanofluid at two concentrations of …

Numerical analysis of local flow heat transfer of supercritical LNG across the pseudophase transition in different airfoil channels

H Xu, Z Zhao, H Gong, J Ding, C Li - International Journal of Heat and Mass …, 2023 - Elsevier
As the core equipment of floating storage and regasification unit (FRSU), the function of
liquefied natural gas (LNG) vaporizer is to heat the LNG from-162° C to normal temperature …

Cooling heat transfer and pressure drop of supercritical CO2 in wavy microchannels with consistent and opposite crests and troughs

Y Lei, Z Chen - International Journal of Refrigeration, 2020 - Elsevier
A numerical study on cooling heat transfer and pressure drop of supercritical CO 2 in
horizontal wavy microchannels with consistent crests and troughs (WMCCT) and wavy …

The heat transfer of supercritical CO2 in helically coiled tube: Trade-off between curvature and buoyancy effect

S Zhang, X Xu, C Liu, X Liu, Y Zhang, C Dang - Energy, 2019 - Elsevier
Supercritical CO 2 Rankine cycle has great development potential as a power cycle for
converting low-grade thermal energy into electricity. Better understanding of supercritical CO …