State-of-the-art modeling of two-stage auto-ignition: Turbulence, evaporation and chemistry effects

Y Zhang, Q Peng, C Wang, Y Huang, P Zhou… - Energy Conversion and …, 2023 - Elsevier
Internal combustion engines are the dominant power sources in transport, accounting for
significant amounts of fuel consumption and pollutant emissions. Low-temperature …

A dedicated reduced kinetic model for ammonia/dimethyl-ether turbulent premixed flames

W Guan, A Abdelsamie, C Chi, Z He, D Thévenin - Combustion and Flame, 2023 - Elsevier
Ammonia (NH 3) as a promising energy vector receives growing interest to reduce carbon
emissions in combustion applications. Co-firing with dimethyl ether (DME) is an outstanding …

Evaluation of droplet evaporation models and the incorporation of natural convection effects

AP Pinheiro, JM Vedovoto - Flow, Turbulence and Combustion, 2019 - Springer
Evaporation of fuel droplets in high temperature gas environment is of great importance in
many engineering applications. There are already several theoretical models proposed in …

Nanoparticle formation and behavior in turbulent spray flames investigated by DNS

A Abdelsamie, FE Kruis, H Wiggers… - Flow, Turbulence and …, 2020 - Springer
This work is a first direct numerical simulation of a configuration closely related to the
SpraySyn burner (Schneider et al. in Rev Sci Instrum 90: 085108, 2019). This burner has …

Comparative study of turbulence models for scale-resolving simulations of internal combustion engine flows

S Buhl, F Dietzsch, C Buhl, C Hasse - Computers & Fluids, 2017 - Elsevier
Scale-resolving simulations (SRS) are becoming more and more important for internal
combustion (IC) engine simulations and are gradually replacing first-generation unsteady …

A numerical study of ignition and flame development characteristics in GCI combustion using large eddy simulations and chemical explosive mode analysis

Y Zhao, C Xu, Y Zhang, Z Yue… - … Journal of Engine …, 2024 - journals.sagepub.com
This work investigates the ignition and flame development processes of low reactivity fuel
combustion under compression ignition conditions based on the large eddy simulation …

Turbulence, evaporation and combustion interactions in n-heptane droplets under high pressure conditions using DNS

H Wang, K Luo, ER Hawkes, JH Chen, J Fan - Combustion and Flame, 2021 - Elsevier
The evaporation and combustion of n-heptane droplets under high pressure (20 atm)
conditions were investigated using three-dimensional direct numerical simulations (DNS) in …

Comparing LES and URANS results with a reference DNS of the transitional airflow in a patient-specific larynx geometry during exhalation

A Abdelsamie, S Voß, P Berg, C Chi, C Arens… - Computers & …, 2023 - Elsevier
Air exhalation in the laryngeal area produces a complex transitional flow. A detailed
investigation of the resulting flow features is very interesting from a fundamental point of …

Direct numerical simulation of turbulent spray combustion in the SpraySyn burner: impact of injector geometry

A Abdelsamie, C Chi, M Nanjaiah… - Flow, Turbulence and …, 2021 - Springer
Spray combustion is one of the most important applications connected to modern
combustion systems. Direct numerical simulations (DNS) of such multiphase flows are …

An extended flame index partitioning for partially premixed combustion

E Illana, D Mira, A Mura - Combustion Theory and Modelling, 2021 - Taylor & Francis
Compared to partially premixed combustion (or combustion of non-homogeneous reactants
in general), fully premixed and diffusion flames represent only two asymptotic limits of …