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 …

A comprehensive investigation of heat transfer in a high aspect ratio cooling channel of a rocket engine using LNG coolant

I Nasser, Y Torres, T Santese, O Haidn, C Manfletti - Acta Astronautica, 2023 - Elsevier
Small quantities of hydrocarbon impurities in liquefied natural gas (LNG) play a significant
role in regenerative engine cooling in propulsion systems. Conjugate heat transfer in a high …

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 …

[HTML][HTML] Study on the heat transfer characteristics of regenerative cooling for LOX/LCH4 variable thrust rocket engine

J Song, T Liang, Q Li, P Cheng, D Zhang, P Cui… - Case Studies in Thermal …, 2021 - Elsevier
It is a challenging task to investigate the regenerative cooling of the variable thrust
LOX/LCH4 expander cycle rocket engine. The decreasing methane mass flow rate leads to …

Flow characteristics and heat transfer of supercritical n-decane in novel nested channels for scramjet regenerative cooling

Y Li, G Xie, Y Zhang, P Ferla, B Sunden - International Journal of Heat and …, 2021 - Elsevier
A novel kind of regenerative cooling channel, a so-called nested channel, is proposed to
further reduce the combustion chamber wall temperature of a scramjet. The supercritical n …

[HTML][HTML] Numerical investigation of rocket engine cooling channel heat transfer for different LNG under trans-critical conditions

I Nasser, O Haidn, C Manfletti - International Journal of Thermofluids, 2023 - Elsevier
Abstract Hydrocarbon impurities in Liquified Natural Gas LNG may produce undesired
phenomena such as pseudo boiling and two-phase flow. This can be an issue for rocket …

Adaptive design methodology of segmented non-uniform fin arrangements for trans-critical natural gas in the printed circuit heat exchanger

Q Jiang, C Pan, X Song, S Wan, H Wen, H Li… - Applied Thermal …, 2022 - Elsevier
As the core heat transfer equipment of a floating storage regasification unit (FSRU), the
printed circuit plate heat exchanger (PCHE) has a significant impact on the gasification …

Numerical investigation on heat transfer and flow characteristics of supercritical methane in a horizontal tube

B Ruan, W Lin - Cryogenics, 2022 - Elsevier
The main component of liquefied natural gas (LNG) is methane. The regasification process
of LNG is usually under a supercritical condition. In this paper, a three-dimensional model is …

A system-level multi-field coupling algorithm for regenerative cooling thrust chamber of a LOX/methane rocket engine

Z Yan, Y Chen, Y Wu, Z Liu, Y Gao, W Wang - Acta Astronautica, 2023 - Elsevier
A systematic and hierarchical multi-physics coupling simulation method is proposed to
model the combustion, combustion-gas transonic flow, coolant transcritical flow, and …

Improved wall temperature prediction for the LUMEN rocket combustion chamber with neural networks

K Dresia, E Kurudzija, J Deeken… - Aerospace, 2023 - mdpi.com
Accurate calculations of the heat transfer and the resulting maximum wall temperature are
essential for the optimal design of reliable and efficient regenerative cooling systems …