[HTML][HTML] Thermo-kinetic multi-zone modelling of low temperature combustion engines

A Vasudev, M Mikulski, PR Balakrishnan… - Progress in Energy and …, 2022 - Elsevier
Many researchers believe multi-zone (MZ), chemical kinetics–based models are proven,
essential toolchains for development of low-temperature combustion (LTC) engines …

Structure and laminar flame speed of an ammonia/methane/air premixed flame under varying pressure and equivalence ratio

RC Rocha, S Zhong, L Xu, XS Bai, M Costa, X Cai… - Energy & …, 2021 - ACS Publications
This paper presents a joint experimental and numerical study on premixed laminar
ammonia/methane/air flames, aiming to characterize the flame structures and NO formation …

[HTML][HTML] Comparative effects of plasma and preheating in assisting premixed ammonia/air flames: A DNS study

M Shahsavari, N Chakraborty, S Zhong… - Fuel, 2025 - Elsevier
Abstract In this study, Direct Numerical Simulations are utilized to investigate turbulent
premixed NH 3/air flames assisted by two distinct methods: non-equilibrium nanosecond …

[HTML][HTML] A numerical study on premixed laminar ammonia/air flames enriched with hydrogen: An analysis on flame–wall interaction

P Tamadonfar, S Karimkashi, T Zirwes, V Vuorinen… - Combustion and …, 2024 - Elsevier
Ammonia (NH 3) has been recognized as a potential carbon-free synthetic fuel of the near
future. To enhance its low reactivity, one practical option is to blend it with hydrogen (H 2). In …

Towards direct numerical simulations of reactivity-controlled compression ignition engine using n-octanol/ethanol fuel blends

A Premkumar, F Loffredo, H Pitsch, M Klein - Flow, Turbulence and …, 2024 - Springer
The results of a two-dimensional direct numerical simulation of a lean n-octanol-ethanol fuel
blend under Reactivity Controlled Compression Ignition (RCCI) conditions are presented in …

A numerical investigation on effects of hydrogen enrichment and turbulence on NO formation pathways in premixed ammonia/air flames

S Karimkashi, P Tamadonfar, O Kaario… - Combustion Science …, 2023 - Taylor & Francis
ABSTRACT NO x emission reduction is one of the major challenges when using
ammonia/hydrogen blends as an alternative fuel for carbon-free combustion. In this study …

Combustion characteristics of n-heptane spray combustion in a low temperature reform gas/air environment

S Zhong, S Xu, XS Bai, A Hadadpour, M Jangi, F Zhang… - Fuel, 2021 - Elsevier
This paper presents a large eddy simulation study of n-heptane spray combustion in an n-
heptane low temperature reform (LTR) gas environment in a constant volume combustion …

A Numerical Study on Premixed Turbulent Planar Ammonia/Air and Ammonia/Hydrogen/Air Flames: An Analysis on Flame Displacement Speed and Burning Velocity

P Tamadonfar, S Karimkashi, O Kaario… - Flow, Turbulence and …, 2023 - Springer
The economic storage and transportation of ammonia (NH 3), and its capability to be
thermally decomposed to hydrogen (H 2) make it a potential carbon-free synthetic fuel for …

[HTML][HTML] Effects of hydrogen enrichment and turbulence intensity on the combustion mode in locally stratified dual-fuel mixtures of n-dodecane/methane

S Karimkashi, O Kaario, V Vuorinen - Applications in Energy and …, 2022 - Elsevier
In dual-fuel (DF) engines, a high-reactivity fuel (HRF) ignites a low-reactivity fuel (LRF)
premixed with air. Identification of the combustion mode after autoignition in DF engines with …

A study of flame dynamics and structure in premixed turbulent planar NH3/H2/air flames

P Tamadonfar, S Karimkashi… - … Journal of Engine …, 2024 - journals.sagepub.com
Ammonia (NH3) has received considerable attention as a near future carbon-free synthetic
fuel due to its economic storage/transportation/distribution, and its potential to be thermally …