Effects of rectangular rib on exergy efficiency of a hydrogen-fueled micro combustor

Q Li, W Zuo, Y Zhang, J Li, Z He - International Journal of Hydrogen Energy, 2020 - Elsevier
In order to further optimize the working performance of micro-cylindrical combustor, the
combustion chamber of the micro-cylindrical combustor is inserted in a rectangular rib …

Entropy generation and exergy destruction in condensing steam flow through turbine blade with surface roughness

H Ding, Y Li, E Lakzian, C Wen, C Wang - Energy Conversion and …, 2019 - Elsevier
In the steam turbine, the wetness loss due to vapor condensation is one of the most crucial
losses at low-pressure stage. This study focused on entropy generation and exergy …

[HTML][HTML] Local entropy generation and entropy fluxes of a transient flame during head-on quenching towards solid and hydrogen-permeable porous walls

PS Salimath, IS Ertesvåg - international journal of hydrogen energy, 2021 - Elsevier
Premixed H 2-air flames are studied in a one-dimensional wall-bounded configuration. The
laminar flame propagates towards and quenches at a wall that is either solid or permeable …

Evaluation of radiative entropy generation in a high temperature system including H2O, CO2 and soot with non-gray wall

Z Zhang, C Lou, Z Li, Y Long - Journal of Quantitative Spectroscopy and …, 2020 - Elsevier
In this paper, radiative entropy generation in a high temperature parallel plate system
containing H 2 O, CO 2 and soot with non-gray wall was investigated. Based on Discrete …

Micro-combustor performance enhancement by hydrogen addition in a combined baffle-bluff configuration

E Amani, P Alizadeh, RS Moghadam - International Journal of Hydrogen …, 2018 - Elsevier
The size limitation of micro-combustors leads to insufficient residence times, flame
instabilities, and intensified heat losses which are main challenges that scientists have …

Multi-objective CFD optimizations of water spray injection in gas-turbine combustors

E Amani, MR Akbari, S Shahpouri - Fuel, 2018 - Elsevier
In this research, the water spray injection process in a natural-gas-fueled gas turbine
combustor is studied numerically using an Eulerian-Lagrangian formulation, and the …

Entropy and exergy analysis of coupled radiative heat transfer and heat conduction: A new thermodynamics approach

Z Zhang, N Doner, Y Long, C Lou - International Journal of Heat and Mass …, 2023 - Elsevier
This study presents a new approach for evaluating the thermodynamic efficiency of a
coupled radiative and conductive heat transfer process with an internal heat source. In this …

Multi-objective optimizations of air partitioning in a gas turbine combustor

E Amani, P Rahdan, S Pourvosoughi - Applied Thermal Engineering, 2019 - Elsevier
This research investigates the strategies of air partitioning among the holes of a combustor
liner using a systematic multi-objective optimization based on the computational fluid …

Combustion behavior study and flame zone analysis of biogas-fueled gas turbine combustor under O2/CO2 and O2/H2O oxidizing modes

M Mohammadpour, E Houshfar, M Ashjaee - Fuel, 2023 - Elsevier
Environmental problems resulting from the increment of greenhouse gases have raised the
tendency toward using renewable energy sources alongside carbon-capturing technology …

Insights into the hydrodynamics in the annular pipe of industrial‐scale top‐blown smelting furnace

Z Wan, S Yang, D Tang, H Yuan, J Hu… - The Canadian Journal …, 2024 - Wiley Online Library
The coaxial jet consisting of swirl jet and axial jet plays a critical role in the industrial
processes but is rarely investigated; therefore, it is numerically explored by means of the …