Brake Wear Particle Emissions: Formation, Transport, Sampling and Prevention
A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Air Quality".
Deadline for manuscript submissions: 31 March 2026 | Viewed by 37
Special Issue Editors
Interests: brake testing; brake emissions; tribology and the fundamentals of particle formation; modeling and simulation
Interests: electric vehicle design
Interests: particle-influenced contacts; tribological experiments; particle and brake emissions; data-driven hybrid modeling; simulation
Interests: non-exhaust emissions; software defined vehicles; brake control
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Traffic-related emissions are associated with adverse effects on the environment and human health. As the tailpipe has been the biggest contributor to the overall emission level, regulations have been put in place over the past decades to limit the emissions from this source. Consequently, other sources of emissions, such as those from the friction brakes, which belong to the group of non-exhaust emissions, have become the focus of scientific research. From November 2026, Europe will be the first region to implement the Euro 7 emissions standard, which regulates non-exhaust emissions. Other regions of the world, such as China and South Korea, may also follow suit and introduce regulations on brake wear particle emissions.
To comply with potential limit values, continuing to use friction brakes with most conventional material pairings is insufficient. New approaches are needed to reduce particle formation, such as improved operating modes, new brake technologies, or low-wear material pairings. Furthermore, a better understanding of the tribological processes involved in particle formation during frictional contact is required, as these processes involve various interconnected mechanical, thermal, and chemical phenomena. Only then will it be possible to combine high safety and comfort requirements with the need to reduce emission levels.
This Special Issue aims to promote progress in the field of brake wear particle emissions, which is set to become the focus of scientific research in the future due to new emission standards. Topics covered include the tribological aspects of particle formation, airborne particle transportation, sampling, and emission prevention. New findings relating to the measurement and characterization of particles are also welcome. Studies of an experimental, simulated, or mixed nature on various scales are generally appropriate.
Dr. David Hesse
Dr. Sebastian Gramstat
Dr. Frank Schiefer
Dr. Valentin Ivanov
Guest Editors
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Keywords
- brake wear particle emissions
- particle formation
- tribology
- particle injection, transport and deposition
- sampling, measurement
- filtration and suction systems
- regenerative braking
- coated brake discs
- low-wear friction pairings
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