Development of a reduced four-component (toluene/n-heptane/iso-octane/ethanol) gasoline surrogate model

Y Li, A Alfazazi, B Mohan, EA Tingas, J Badra, HG Im… - Fuel, 2019 - Elsevier
The prospect of blending gasoline fuel with ethanol is being investigated as a potential way
to improve the knock residence of the base gasoline. However, one of the drawbacks is a …

Investigation of the turbulent flame structure and topology at different Karlovitz numbers using the tangential stretching rate index

DM Manias, EA Tingas, FEH Pérez, RM Galassi… - Combustion and …, 2019 - Elsevier
Turbulent premixed flames at high Karlovitz numbers exhibit highly complex structures in
different reactive scalar fields to the extent that the definition of the flame front in an …

Topological and chemical characteristics of turbulent flames at mild conditions

DM Manias, EA Tingas, Y Minamoto, HG Im - Combustion and Flame, 2019 - Elsevier
Dominant physical processes that characterize the combustion of a lean methane/air
mixture, diluted with exhaust gas recirculation (EGR), under turbulent MILD premixed …

Family of Skeletal Reaction Mechanisms for Methane–Oxygen Combustion in Rocket Propulsion

J Liberatori, R Malpica Galassi, D Bianchi… - Journal of Propulsion …, 2024 - arc.aiaa.org
Analyzing methane–oxygen rocket propellant combinations requires suitable modeling of
the major chemical reaction processes. Although several detailed kinetic mechanisms for …

The chemical dynamics of hydrogen/hydrogen peroxide blends diluted with steam at compression ignition relevant conditions

EA Tingas - Fuel, 2021 - Elsevier
In the current work, the use of hydrogen peroxide as an additive to hydrogen/air mixtures is
proposed and explored computationally, in conditions relevant to compression ignition …

Chemical ignition characteristics of ethanol blending with primary reference fuels

E Singh, EA Tingas, D Goussis, HG Im… - Energy & Fuels, 2019 - ACS Publications
Synergistic octane blending behavior of ethanol with gasoline and its surrogates has been
observed by many researchers. The nonlinear octane boosting tendency is observed at mid …

Computational analysis of the effect of hydrogen peroxide addition on premixed laminar hydrogen/air flames

EA Tingas - Fuel, 2021 - Elsevier
In the current work, the effect of H 2 O 2 addition on the flame structure, laminar flame speed
and NOx emissions is investigated in the context of 1D laminar premixed H 2/air flames at T …

Automated chemical kinetic mechanism simplification with minimal user expertise

RM Galassi, PP Ciottoli, SM Sarathy, HG Im… - Combustion and …, 2018 - Elsevier
An improved algorithm to generate skeletal mechanisms from the original detailed chemical
kinetic mechanisms is proposed. The new algorithm builds on the computational singular …

Characterization of jet-in-hot-coflow flames using tangential stretching rate

Z Li, RM Galassi, PP Ciottoli, A Parente… - Combustion and …, 2019 - Elsevier
This article presents a numerical study of a jet-in-hot-coflow (JHC) burner which emulates
Moderate or Intense Low-oxygen Dilution (MILD) conditions. Such combustion regime offers …

Screening gas‐phase chemical kinetic models: Collision limit compliance and ultrafast timescales

KK Yalamanchi, EA Tingas, HG Im… - International Journal of …, 2020 - Wiley Online Library
Detailed gas‐phase chemical kinetic models are widely used in combustion research, and
many new mechanisms for different fuels and reacting conditions are developed each year …