Results 141 to 150 of about 1,050 (178)
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Combustion Noise Investigation With Multi-Cylinder RCCI
Volume 1: Large Bore Engines; Advanced Combustion; Emissions Control Systems; Instrumentation, Controls, and Hybrids, 2013Advanced combustion techniques have shown promise for achieving high thermal efficiency with simultaneous reductions in oxides of nitrogen (NOx) and particulate matter (PM) emissions. Many advanced combustion studies have used some form of noise-related metric to constrain engine operation, whether it be cylinder pressure rise rate, combustion noise ...
Scott J. Curran +2 more
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RCCI Engine Operation Towards 60% Thermal Efficiency
SAE Technical Paper Series, 2013<div class="section abstract"><div class="htmlview paragraph">The present experimental study explored methods to obtain the maximum practical cycle efficiency with Reactivity Controlled Compression Ignition (RCCI). The study used both zero-dimensional computational cycle simulations and engine experiments.
Derek Splitter +3 more
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Combustion and Emissions of Jet-A and N-Butanol in RCCI Operation
Volume 1: Large Bore Engines; Fuels; Advanced Combustion, 2017Jet-A was investigated in RCCI (Reactivity Controlled Compression Ignition) given that the fuel is readily available and has a similar cetane number compared to ultra-low sulfur diesel (ULSD#2). To promote emissions’ control, RCCI was conducted with direct injection (DI) of Jet-A and PFI (port fuel injection) of n-butanol.
Valentin Soloiu +5 more
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Intermediate Combustion Modes between Conventional Diesel and RCCI
SAE International Journal of Engines, 2018<div class="section abstract"><div class="htmlview paragraph">In recent years, several unconventional fueling modes have been developed for dual-fuel compression ignition (CI) engines. One such mode is reactivity controlled compression ignition (RCCI), which utilizes both a low-reactivity fuel (LRF) and a high-reactivity fuel (HRF) via ...
Jonathan Martin +5 more
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Coordinated Air-Fuel Path Control in a Diesel-E85 RCCI Engine
SAE Technical Paper Series, 2019<div class="section abstract"><div class="htmlview paragraph">Reactivity Controlled Compression Ignition (RCCI) combines very high thermal efficiencies with ultra-low engine out NO<sub>x</sub> and PM emissions. Moreover, it enables the use of a wide range of fuels.
Willems, F. +4 more
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Rural Colleges as Catalysts for Community Change: The RCCI Experience
2001The Rural Community College Initiative (RCCI) challenges colleges in economically distressed regions to become catalysts for economic and community development and improved access to education. Led by college/community teams, the 24 sites have experimented with a wide variety of strategic approaches.
Rubin, Sarah, Rubin, Sarah
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A numerical study on RCCI engine fueled by biodiesel/methanol
Energy Conversion and Management, 2015A 3-D numerical simulation platform based on the KIVA4-CHEMKIN code was constructed by incorporating a newly developed skeletal chemical kinetics mechanism to study the reactivity controlled compression ignition (RCCI) engine performance, combustion and emission characteristics.
Zhou, Dezhi +4 more
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Investigation of Nature of Cyclic Combustion Variations in RCCI Engine
2020This paper presents the investigation of the nature of cyclic combustion variations in gasoline–diesel RCCI engine. An automotive diesel engine is modified with suitable hardware modifications and instrumentation to operate it in reactivity controlled compression ignition (RCCI) combustion mode.
Ajay Singh +2 more
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Data-driven Modeling and Predictive Control of Combustion Phasing for RCCI Engines
2019 American Control Conference (ACC), 2019Reactivity controlled compression ignition (RCCI) engines center on a combustion strategy with higher thermal efficiency, lower particulate matter (PM), and lower oxides of nitrogen (NOx) emissions compared to conventional diesel combustion (CDC) engines.
Behrouz K. Irdmousa +4 more
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Towards Control-Oriented Modeling of Natural Gas-Diesel RCCI Combustion
SAE Technical Paper Series, 2015<div class="section abstract"><div class="htmlview paragraph">For natural gas (NG)-diesel RCCI, a multi-zonal, detailed chemistry modeling approach is presented. This dual fuel combustion process requires further understanding of the ignition and combustion processes to maximize thermal efficiency and minimize (partially) unburned fuel ...
Bekdemir, C. +3 more
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