Entropy Generation Analysis in Turbulent Reacting Flows and Near Wall: A Review

A Sadiki, S Agrebi, F Ries - Entropy, 2022 - mdpi.com
This paper provides a review of different contributions dedicated thus far to entropy
generation analysis (EGA) in turbulent combustion systems. We account for various …

Biosyngas-fueled platinum reactor applied in micro combined heat and power system with a thermophotovoltaic array and stirling engine

WL Chen, CW Huang, YH Li, CC Kao, HT Cong - Energy, 2020 - Elsevier
Currently, alternative fuels, derived from biomass and urban maximize the overall power
output, have been increasingly attracting more attention in the industrial and residential …

Second law thermodynamic analysis of syngas premixed flames

L Acampora, FS Marra - International Journal of Hydrogen Energy, 2020 - Elsevier
The exergy loss in laminar premixed flames of syngas is investigated numerically by
analyzing the local entropy generation. The effects of the change in the H 2 molar ratio in H …

A comparative study of natural gas and biogas combustion in a swirling flow gas turbine combustor

A Hoda, TMR Rahman, W Asrar… - Combustion Science and …, 2022 - Taylor & Francis
In this study, non-premixed combustion of a traditional fuel-natural gas, and an alternative
fuel-biogas, is simulated in a swirling flow industrial gas turbine combustor geometry which …

An empirical formula to predict the overall irreversibility of counter-flow premixed flames of methane and its mixtures

CR Yu, CY Wu - Journal of Thermal Analysis and Calorimetry, 2022 - Springer
A novel method for estimating the non-equilibrium entropy generated in a premixed
stretched methane flame is proposed. Counter-flow premixed methane flames were …

Analysis of Local Exergy Losses in Combustion Systems Using a Hybrid Filtered Eulerian Stochastic Field Coupled with Detailed Chemistry Tabulation: Cases of …

S Agrebi, L Dreßler, H Nicolai, F Ries, K Nishad… - Energies, 2021 - mdpi.com
A second law analysis in combustion systems is performed along with an exergy loss study
by quantifying the entropy generation sources using, for the first time, three different …

Entropy generation and exergy analysis of premixed fuel-air combustion in micro porous media burner

NC Ismail, MZ Abdullah, NM Mazlan, KF Mustafa - Entropy, 2020 - mdpi.com
The performance of porous media micro-burners plays an important role in determining
thermal efficiency and improving our daily life. Nowadays, a lot of scholars are actively …

Gas-phase transport and entropy generation during transient combustion of single biomass particle in varying oxygen and nitrogen atmospheres

L Wang, N Karimi, MC Paul - International Journal of Hydrogen Energy, 2018 - Elsevier
Transient combustion of a single biomass particle in preheated oxygen and nitrogen
atmospheres with varying concentration of oxygen is investigated numerically. The …

Numerical investigation of exergy loss of ammonia addition in hydrocarbon diffusion flames

H Sun, Z Zhang, H Sun, B Yao, C Lou - Entropy, 2022 - mdpi.com
In this paper, a theoretical numerical analysis of the thermodynamics second law in
ammonia/ethylene counter-flow diffusion flames is carried out. The combustion process …

Study of the heat transfer characteristics and entropy generation rate for the reacting flows inside tubes

E Gholamalizadeh, A Alimoradi, AD Saee… - Applied Thermal …, 2019 - Elsevier
In the present work, a numerical method is used for the simulation of the heat transfer and
entropy generation for the non-premixed combustion of CH 4-air. The standard K-ε model is …