A comprehensive review on performance improvement of micro energy mechanical system: Heat transfer, micro combustion and energy conversion

E Jiaqiang, B Luo, D Han, J Chen, G Liao, F Zhang… - Energy, 2022 - Elsevier
In order to strengthen the internal flow and heat transfer and increase the stability of the
flame, various methods to improve combustion efficiency were proposed. In terms of spatial …

Influencing factors of wall temperature and flame stability of micro-combustors in micro-thermophotovoltaic and micro-thermoelectric systems

P Qian, M Liu - Fuel, 2022 - Elsevier
Among various portable energy systems, micro-thermophotovoltaic and micro-thermoelectric
systems gained extensive attention due to compact configuration, no mechanical noise …

Investigation on enhancement of energy conversion of H2/CH4 fueled combustion in a micro tube with multi-channel-outlet

F Yan, Z Huang, H Wang, Q Peng, F He - Journal of Power Sources, 2024 - Elsevier
To improve the flame stability and energy utilization of micro-generators, experimental and
numerical investigations of a micro-thermophotovoltaic fueled by H 2/CH 4 are conducted …

Investigation on H2/CH4 fueled combustion with partially Pt-loaded porous media

B Xie, X Tian, Q Peng, L Xu - International Journal of Hydrogen Energy, 2024 - Elsevier
To ameliorate the thermal performance of micro combustor and expand its potential
applications, a combustor with partially Pt-loaded porous media is constructed. Experiments …

Heat transfer enhancement and exergy efficiency improvement of a micro combustor with internal spiral fins for thermophotovoltaic systems

Z He, Y Yan, T Zhao, S Feng, X Li, L Zhang… - Applied Thermal …, 2021 - Elsevier
Targeting at addressing the low exergy efficiency of micro thermophotovoltaic (MTPV)
system, a novel micro combustor with internal spiral fins is proposed. The geometrical …

Effect of pins and exit-step on thermal performance and energy efficiency of hydrogen-fueled combustion for micro-thermophotovoltaic

B Xie, Q Peng, W Yang, S Li, E Jiaqiang, Z Li, M Tao… - Energy, 2022 - Elsevier
Micro thermophotovoltaic system, a chemical energy to electrical output device, has been
challenged for application because of burning instability, high heat loss ratio and low energy …

Effects of micro-combustor geometry and size on the heat transfer and combustion characteristics of premixed hydrogen/air flames

A Rahbari, S Homayoonfar, E Valizadeh… - Energy, 2021 - Elsevier
Abstract major challenge in the development of micro-combustors is flame instabilities—
resulting in a non-uniform wall temperature distribution and lower combustion efficiency. To …

Effects of CO addition and multi-factors optimization on hydrogen/air combustion characteristics and thermal performance based on grey relational analysis

B Xie, Q Peng, E Jiaqiang, Y Tu, J Wei, S Tang, Y Song… - Energy, 2022 - Elsevier
Power output and efficiency of the micro-thermophotovoltaic generator are limited by flame
instability, tremendous heat loss ratio and short residence time. H 2/air premixed combustion …

Heat transfer enhancement and pressure loss analysis of hydrogen-fueled microcombustor with slinky projection shape channel for micro-thermophotovoltaic system

Z He, L Zhang, X Li, J You, Z Xue, Y Yan - Energy, 2023 - Elsevier
Micro thermophotovoltaic (MTPV) system, as a type of micro-combustion power system,
possesses several advantages, including higher energy density, sustained and stable …

[HTML][HTML] Thermodynamic and entropy generation analyses of Telsa-valve structured meso-scale combustors fuelled with hydrogen for thermophotovoltaic applications

H Rong, D Zhao - Energy, 2024 - Elsevier
The present work numerically examed the effects of hydrogen volume flow rates (Q v) and
equivalence ratios (Φ) on thermal performances of meso-scale combustors structured with …