A local thermal non-equilibrium analysis for convective and radiative heat transfer in gaseous transpiration cooling through a porous wall

W Zhang, Y Yi, X Bai, A Nakayama - International Journal of Heat and Mass …, 2020 - Elsevier
A local thermal non-equilibrium analysis has been proposed for the gaseous transpiration
cooling in which a coolant gas is driven from a coolant reservoir through a wall of porous …

A simple conjugate analysis and its comparison with experiment for heat transfer problems associated with hot gas flows in a partially transpiration-cooled channel

X Bai, Y Yi, C Liu, W Zhang, A Nakayama - International Journal of Heat …, 2021 - Elsevier
A simple analytical procedure has been proposed to predict the wall temperature variations
due to transpiration cooling. Since the blowing flow through the porous wall strongly …

Numerical study of transpiration cooling at different outlet angles and hole pattern

X Wang, X Fan, B Xiong - International Journal of Heat and Fluid Flow, 2024 - Elsevier
The effects of transpiration cooling depends on the distribution of micropores in porous
materials. The work simplifies the porous medium to a micro-scale pore plate structure that is …

Investigation on efficient utilization of heat sink in transpiration cooling

X Liu, Y Bian, W Zhou, J Zheng, Z Jia - Applied Thermal Engineering, 2024 - Elsevier
The reasonable distribution of coolant heat sink is an effective way to solve thermal ablation
and improve the thermal protection effect of transpiration cooling. Intermittent transpiration …

Analytical solution of flows in porous media for transpiration cooling applications

T Hermann, M McGilvray - Journal of Fluid Mechanics, 2021 - cambridge.org
This paper presents closed analytical solutions for the pressure and velocity fields of flows in
two-dimensional porous media. The flow field is modelled through a potential function which …

Numerical investigation on the effects of porous cone parameters on liquid transpiration cooling performance

H Su, F He, J Wang, X Luo, B Ai - International Journal of Thermal …, 2021 - Elsevier
Owing to the huge boiling heat transfer coefficient and phase change latent heat, which
implies a high cooling capability and a small coolant consumption, transpiration cooling with …

Effect of coolant side heat transfer on transpiration cooling

J Von Wolfersdorf - Heat and mass transfer, 2005 - Springer
A simple analysis is described addressing the effect of simultaneous cooling from the back
side and from a transpiration flow through a porous wall. The analysis draws from existing …

Numerical investigation on the optimization of local transpiration cooling effectiveness

L Shen, J Wang - Applied Thermal Engineering, 2017 - Elsevier
With the development of active Thermal Protection System (TPS) of hypersonic vehicles,
optimizing active TPS design and reducing weight including the system and coolant loaded …

Transient heat dissipation performances of transpiration cooling with coolant phase change

M Wang, J Wang, J Pu, F He - … Communications in Heat and Mass Transfer, 2022 - Elsevier
Transpiration cooling with liquid coolant phase change in porous matrix is a highly efficient
heat dissipation mechanism, but the mathematical model and algorithm to predict precisely …

Numerical simulations on the performance of transpiration cooling implemented with perforated flat plates

H Sun, H Ma, L Yan, H Fu, Y Luan, P Zunino - Applied Thermal Engineering, 2024 - Elsevier
Transpiration cooling is an effective method of protecting high-temperature components.
However, this technology is currently not applicable to turbine blades because conventional …