A perspective on the range of gasoline compression ignition combustion strategies for high engine efficiency and low NOx and soot emissions: Effects of in-cylinder …

AB Dempsey, SJ Curran… - International Journal of …, 2016 - journals.sagepub.com
Many research studies have shown that low temperature combustion in compression
ignition engines has the ability to yield ultra-low NOx and soot emissions while maintaining …

A comprehensive modeling study of in-cylinder fluid flows in a high-swirl, light-duty optical diesel engine

F Perini, PC Miles, RD Reitz - Computers & Fluids, 2014 - Elsevier
The effectiveness of computational fluid dynamics modeling as a tool for researching fuel-
lean, low temperature engine combustion strategies relies on its capability to capture the …

Piston geometry effects in a light-duty, swirl-supported diesel engine: Flow structure characterization

F Perini, K Zha, S Busch, E Kurtz… - … Journal of Engine …, 2018 - journals.sagepub.com
This work studied how in-cylinder flow structure is affected in a light-duty, swirl-supported
diesel engine when equipped with three different piston geometries: the first two featuring a …

A system to enable mixing controlled combustion with high octane fuels using a prechamber and high-pressure direct injector

AB Dempsey, J Zeman, M Wall - Frontiers in mechanical engineering, 2021 - frontiersin.org
The demand for transportation energy is growing and thus improving the efficiency and
reducing the pollutant emissions from this energy sector is critical. Transportation has …

Shock tube investigation of high-temperature, extremely-rich oxidation of several co-optima biofuels for spark-ignition engines

RK Rahman, S Barak, SW Wagnon, G Kukkadapu… - Combustion and …, 2022 - Elsevier
To reduce the reliance on fossil fuels in the transportation sector and increase combustion
efficiency, the Co-Optima initiative from US Department of Energy identified the top 10 …

Comparison of linear, non-linear and generalized RNG-based k-epsilon models for turbulent diesel engine flows

F Perini, K Zha, S Busch, R Reitz - 2017 - sae.org
In this work, linear, non-linear and a generalized renormalization group (RNG) two-equation
RANS turbulence models of the k-epsilon form were compared for the prediction of turbulent …

Dual-fuel reactivity controlled compression ignition (RCCI) with alternative fuels

AB Dempsey - 2013 - search.proquest.com
This research will demonstrate that Reactivity Controlled Compression Ignition (RCCI) has
several advantages over other LTC concepts in regards to fuel flexibility and combustion …

A computational investigation of fuel chemical and physical properties effects on gasoline compression ignition in a heavy-duty diesel engine

Y Zhang, A Voice, Y Pei… - Journal of Energy …, 2018 - asmedigitalcollection.asme.org
Gasoline compression ignition (GCI) offers the potential to reduce criteria pollutants while
achieving high fuel efficiency. This study aims to investigate the fuel chemical and physical …

A computational investigation of the effects of swirl ratio and injection pressure on mixture preparation and wall heat transfer in a light-duty diesel engine

F Perini, A Dempsey, RD Reitz, D Sahoo, B Petersen… - 2013 - sae.org
In a recent study, quantitative measurements were presented of in-cylinder spatial
distributions of mixture equivalence ratio in a single-cylinder light-duty optical diesel engine …

Gasoline compression ignition on a light-duty multi-cylinder engine using a wide range of fuel reactivities and heavy fuel stratification

AB Dempsey, S Curran… - Journal of …, 2021 - asmedigitalcollection.asme.org
Many research studies have focused on utilizing gasoline in modern compression ignition
engines to reduce emissions and improve efficiency. Collectively, this combustion mode has …