Effects of temperature and pressure fluctuations on exergy loss characteristics of hydrogen auto-ignition processes

S Liu, J Zhang, Z Sun, D Han - International Journal of Hydrogen Energy, 2023 - Elsevier
Intake temperature and pressure fluctuations prior to main ignition are one of the reasons
affecting the efficiency of internal combustion engines. In this study, the effects of …

Effects of intake air temperature on energy, exergy and sustainability analyses in an RCCI engine fueled with iso-propanol and n-heptane

S Halis, B Doğan - Energy, 2023 - Elsevier
In this study, performance and emission tests were carried out in a diesel engine operating
with RCCI combustion mode by varying the amount of fuel taken into the cylinder and the air …

Prediction of knock intensity and validation in an optical SI engine

J Zhang, H Shi, MB Luong, Q Tang, K Uddeen… - Combustion and …, 2023 - Elsevier
To provide fundamental insights into the underlying mechanisms of knock occurrence in a
spark-ignition (SI) engine, optical diagnostic measurements were performed at advanced …

The exergy analysis of low carbon or carbon free fuels: Methane, methanol, and hydrogen under engine like conditions

L Li, J Wei, H Liu, H Wang, M Yao - Fuel Processing Technology, 2023 - Elsevier
The carbon dioxide (CO 2) emitted from the combustion of fossil fuels is considered the main
contributor to the warming of the climate system. Low carbon or carbon free fuels like …

Numerical study of turbulent non-premixed cool flames at high and supercritical pressures: Real gas effects and dual peak structure

S Ramachandran, N Srinivasan, TS Taneja… - Combustion and …, 2023 - Elsevier
To study the formation of cool flames at high/supercritical pressures, adaptive mesh
refinement (AMR)-based simulations of dimethyl ether (DME)-air pesudo-turbulent reacting …

Direct numerical simulation of preignition and knock in engine conditions

MB Luong, HG Im - Advances in Energy and Combustion: Safety and …, 2022 - Springer
Theoretical framework and high-fidelity direct numerical simulations (DNS) on preignition
and knock encountered in internal combustion (IC) engines are briefly reviewed in this …

Energy analysis and optimization of iso-octane and n-heptane combustion process

J Wei, H Liu, H Zhu, Y Cai, H Wang, M Yao - Energy, 2023 - Elsevier
The energy analysis and optimization were conducted under different boundary conditions
for iso-octane and n-heptane constant volume self-ignition process from the view of energy …

The relationship between fuel reactivity and exergy features in combustion process

X Zhang, J Wei, H Liu, Y Cai, H Wang, M Yao - Energy, 2024 - Elsevier
Fuel reactivity is a flexible and feasible method to control combustion, thus reactivity-
controlled compression ignition (RCCI) has the potential to achieve lower emissions and …

Effects of heat diffusion and turbulence on detonation development of hydrogen/air mixtures under engine-relevant conditions

J Zhang, MB Luong, HG Im - Combustion and Flame, 2024 - Elsevier
The effects of heat diffusion and turbulence on the detonation propensity of a stoichiometric
hydrogen/air mixture under representative low-and high-temperature conditions in internal …

Evaluation of finite difference based asynchronous partial differential equations solver for reacting flows

K Kumari, E Cleary, S Desai, DA Donzis… - Journal of …, 2023 - Elsevier
Next-generation exascale machines with extreme levels of parallelism will provide massive
computing resources for large scale numerical simulations of complex physical systems at …