Influence of Different Fuel Properties and Gasoline - Ethanol Blends on Low-Speed Pre-Ignition in Turbocharged Direct Injection Spark Ignition Engines

Mayer, Mattias; Hofmann, Peter; Geringer, Bernhard; Williams, John; Moss, James

doi:10.4271/2016-01-0719

Cited by 33 publications

(13 citation statements)

References 6 publications

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“…Therefore, more fuel would be accumulated in the piston crevice in the case of fuels with lower evaporation percentages, leading to a higher pre-ignition frequency. A similar finding was reported by Mayer et al [102], who demonstrated that the pre-ignition frequency exhibits a very good correlation with the final boiling point.…”

Section: Fuel Propertiessupporting

confidence: 75%

“…Higher volatility was confirmed to be helpful in terms of reducing the pre-ignition frequency in previous research [94,[100][101][102]. Chapman et al [100] demonstrated that preignition is well correlated with both T50 and T70 of the fuel.…”

Section: Fuel Propertiesmentioning

confidence: 81%

“…Another approach to limiting spray wetting is to adjust the injection timing and use split injection, which reduces the fuel-oil interactions by shortening the spray penetration [97,101,102]. Furthermore, optimizing the split injection timing and ratio for a double-injection strategy, Wang et al [103] effectively reduced the pre-ignition frequency.…”

Section: Engine Design Factors and Operational Parametersmentioning

confidence: 99%

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Recent Progress in Automotive Gasoline Direct Injection Engine Technology

Shuai

et al. 2018

Automot. Innov.

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Gasoline direct injection (GDI) engines are currently the dominant powertrains for passenger cars. With the implementation of increasingly stringent fuel consumption and emission regulations worldwide, GDI engines are facing challenges owing to high particulate matter emissions and a tendency to knock, leading to a change in the research and design (R&D) issues compared with those in the twentieth century. This paper reviews the progress in research regarding GDI engine technologies over the past 20 years, focusing on combustion system configurations, and also highlights common issues in GDI R&D, including preignition and deto-knock, soot formation and PM emissions, injector deposits and gasoline compression ignition (GCI). First, an overview of recent developments in the field as driven by regulations is provided, following which progress in injection and combustion systems is examined. Third, the review addresses the occurrence and mechanism of deto-knock and considers means of suppressing this phenomenon. The fourth section discusses soot formation mechanisms and particulate matter emission characteristics of GDI engines and describes the application of gasoline particulate filter (GPF) after-treatment. The subsequent section summarizes studies regarding injector deposit formation, as well as pioneering research into GCI combustion modes. Finally, a summary and future prospects for GDI engine technologies are provided.

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Section: Fuel Propertiessupporting

confidence: 75%

Section: Fuel Propertiesmentioning

confidence: 81%

Section: Engine Design Factors and Operational Parametersmentioning

confidence: 99%

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Recent Progress in Automotive Gasoline Direct Injection Engine Technology

Shuai

et al. 2018

Automot. Innov.

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“…Part of the Co-Optima Boosted SI effort is a focus on improving the understanding of the fuel properties on the SPI propensity/phenomenon as increased SPI limits the practical magnitude of fuel economy gains that can be achieved with downspeeding and downsizing. Fuel properties are of specific interest to SPI and Co-Optima as previous studies (Amann et al 2011, Chapman et al 2014, Mansfield et al 2016a, Mansfield et al 2016b, Mayer et al 2016a) have found experimental evidence for fuel effects on SPI. Moreover, interaction of fuel sprays and lubricating oil in the top crevice region (Zahdeh et al 2011, Amann et al 2012) seems to be a contributing factor to SPI propensity.…”

Section: Low Speed Pre-ignitionmentioning

confidence: 99%

“…The integration limits were based on the literature study of Mayer et al (2016a), which explored ethanol-gasoline and non-ethanol-gasoline fuels with varying boiling curves. Note that the LFV150 term does not directly affect engine efficiency; however, it applies a weighting factor to the fuel boiling curve based on the ASTM D86 test.…”

Section: Low Speed Pre-ignitionmentioning

confidence: 99%

Co-Optimization of Fuels & Engines: Efficiency Merit Function for Spark-Ignition Engines; Revisions and Improvements Based on FY16-17 Research

Farrell

Zigler

Ratcliff

et al. 2018

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This is one of a series of reports produced as a result of the Co-Optimization of Fuels & Engines (Co-Optima) initiative, a Department of Energy (DOE)-sponsored effort initiated to simultaneously investigate advanced engine designs and the enabling fuel properties. This firstof-its-kind effort is designed to provide American industry with the scientific underpinnings needed to maximize vehicle performance and efficiency and leverage domestic fuel resources, leading to greater transportation energy affordability, reliability, and security. Co-Optima brings together DOE's Office of Energy Efficiency & Renewable Energy (EERE), 9 national laboratories, 13 universities, and numerous industry and government stakeholders in a collaboration exploring solutions with potential for near-term improvements to the types of fuels and engines found in most vehicles currently on the road, as well as to the development of revolutionary engine technologies for a longer-term, higher-impact series of solutions. In addition to the EERE Vehicle Technologies and Bioenergy Technologies Offices, the Co-Optima team includes representatives from the

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Numerical Analysis of Low Speed Pre-Ignition and Knock Process in Downsized Turbocharged Direct Injection Engines with Ethanol-Gasoline Blends

Bo-yan

et al. 2020

Int.J Automot. Technol.

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Influence of Different Fuel Properties and Gasoline - Ethanol Blends on Low-Speed Pre-Ignition in Turbocharged Direct Injection Spark Ignition Engines

Cited by 33 publications

References 6 publications

Recent Progress in Automotive Gasoline Direct Injection Engine Technology

Recent Progress in Automotive Gasoline Direct Injection Engine Technology

Co-Optimization of Fuels & Engines: Efficiency Merit Function for Spark-Ignition Engines; Revisions and Improvements Based on FY16-17 Research

Numerical Analysis of Low Speed Pre-Ignition and Knock Process in Downsized Turbocharged Direct Injection Engines with Ethanol-Gasoline Blends

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