Autoignition behavior of gasoline/ethanol blends at engine-relevant conditions

S Cheng, D Kang, A Fridlyand, SS Goldsborough… - Combustion and …, 2020 - Elsevier
Ethanol is an attractive oxygenate increasingly used for blending with petroleum-derived
gasoline yielding beneficial combustion and emissions behavior for a range of internal …

Replicating HCCI-like autoignition behavior: What gasoline surrogate fidelity is needed?

S Cheng, SS Goldsborough, SW Wagnon… - Applications in Energy …, 2022 - Elsevier
This work seeks to characterize the fidelity needed in a gasoline surrogate with the intent to
replicate the complex autoignition behavior exhibited within advanced combustion engines …

A guide to uncertainty quantification for experimental engine research and heat release analysis

B Gainey, JP Longtin, B Lawler - SAE International Journal of Engines, 2019 - JSTOR
Performing an uncertainty analysis for complex measurement tasks, such as those found in
engine research, presents unique challenges. Also, because of the excessive computational …

A skeletal mechanism for gasoline surrogates: Development, validation, and CFD application

S Cho, D Lopez-Pintor, A Sofianopoulos - Fuel, 2023 - Elsevier
In this study, a skeletal chemical kinetic mechanism for gasoline surrogates is developed
from a detailed mechanism by applying several reduction techniques. Directed relation …

Mixture stratification for CA50 control of LTGC engines with reactivity-enhanced and non-additized gasoline

DL Pintor, G Gentz, J Dec - 2021 - sae.org
Low-temperature gasoline combustion engines can provide high efficiencies with very low
NOx and particulate emissions, but rapid control of the combustion timing (50% burn point …

Experimental evaluation of a gasoline-like fuel blend with high renewable content to simultaneously increase φ-sensitivity, Ron, and octane sensitivity

D Lopez-Pintor, JE Dec - Energy & Fuels, 2021 - ACS Publications
High-performance renewable fuels (HPFs) are an alternative to conventional petroleum
fuels that could greatly reduce the carbon footprint of internal combustion engines. The …

Performance of octane index in LTGC engines from beyond MON to beyond RON

D Lopez-Pintor, J Dec, S Cho - Fuel, 2023 - Elsevier
This work analyzes the inability of the Octane Index (OI) to characterize the autoignition
resistance of gasoline-like fuels in a Low-Temperature Gasoline Combustion (LTGC) …

Combustion-timing control of low-temperature gasoline combustion (LTGC) engines by using double direct-injections to control kinetic rates

G Gentz, J Dernotte, C Ji, DL Pintor, J Dec - 2019 - sae.org
Low-temperature gasoline combustion (LTGC) engines can provide high efficiencies and
extremely low NOx and particulate emissions, but controlling the combustion timing remains …

Quantifying uncertainty in kinetic simulation of engine autoignition

S Cheng, Y Yang, MJ Brear, M Frenklach - Combustion and Flame, 2020 - Elsevier
Combustion chemistry models have been developed with inherent uncertainties in them.
Whether a model that is developed using fundamental combustion experiments is capable …

Experimental evaluation of a custom gasoline-like blend designed to simultaneously improve ϕ-sensitivity, RON and octane sensitivity

DL Pintor, J Dec, G Gentz - SAE International Journal of Advances and …, 2020 - sae.org
Abstract ϕ-sensitivity is a fuel characteristic that has important benefits for the operation and
control of low-temperature gasoline combustion (LTGC) engines. However, regular gasoline …