Particulate Emissions from Engines in Transportation
A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Air Quality".
Deadline for manuscript submissions: closed (30 November 2022) | Viewed by 772
Special Issue Editors
Interests: combustion; engine emissions; alternative fuel; particulates emissions
Special Issues, Collections and Topics in MDPI journals
Interests: ICE; combustion; PM; fuel; optical diagnostics
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Particulate matter (PM), also called particle pollution, is a mixture of aerosol particles (solid and liquid) covering a wide range of sizes and chemical compositions. PM is emitted from many anthropogenic sources, including both combustion and noncombustion sources.
In the field of internal combustion engines (ICEs), scientists have long been committed to research on particulate emissions under all types of combustion modes. The emission control legislation poses restrictions regarding the particle number (PN) of PM emissions from ICEs due to the severe adverse health effects associated with smaller particulates. The PN and PM regulations have become increasingly stringent; for example, Euro 6c limits and China 6, particularly for new GDI vehicles produced after July 2017. Particles from engine combustion mostly consist of graphitic carbon with a smaller quantity of metallic ash, sulfur compounds, and hydrocarbons. In addition, the release of fine and ultrafine particles from aircraft engines is the subject of numerous scientific studies due to its possible impact on the upper atmosphere and the local air quality in airport areas.
Particulate emission depends on various factors, such as engine type (spark ignition, compression-ignition, and others), fuel type and specifications, particulate filter technology, engine operating conditions (speed, load, and operating mode), in addition to the atmospheric conditions (environmental air temperature, wind speed, and humidity).
This Special Issue, entitled “Particulate Emissions from Engines in Transportation”, will provide insights into current trending topics in particulate matter, including spark ignition engines, compression-ignition engines, jet engines, etc. Moreover, the concepts, sources, physicochemical characteristics, and health effects of particulates are covered.
Dr. Omar I. Awad
Dr. Xiao Ma
Guest Editors
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Keywords
- particulate matter (PM)
- PM regulation
- particle number (PN)
- soot formation
- particulates from internal combustion engines
- particulates from gasoline direct injection
- particulates from diesel engines
- particulates from jet engines
- health effects
- particle size
- gasoline direct injection
- PM10
- PM2.5
- particulate filter technology
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