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On the influence of car brake system parameters on particulate matter emissions
KTH.
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Machine Design (Div.). KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Machine Elements. KTH, School of Industrial Engineering and Management (ITM), Applied Mechanical Engineering (KTH Södertälje). KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Tribologi.ORCID iD: 0000-0003-0696-7506
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Tribologi.ORCID iD: 0000-0003-2489-0688
2018 (English)In: Wear, ISSN 0043-1648, E-ISSN 1873-2577, Vol. 396, p. 67-74Article in journal (Refereed) Published
Abstract [en]

The influence of car brake system parameters on particulate matter emissions was investigated using a pin-on-disc tribometer. Samples from a low-steel friction material and a cast iron disc were tested for different sliding velocities, nominal contact pressures and frictional powers. Disc temperatures were also measured. Their impact on total concentration, size distribution, particle coefficient and transition temperature was analysed. Results show that frictional power is the most significant brake system parameter. However, temperature, as a response parameter, is the most influential, inducing a shift towards the ultrafine particulate fraction and raising emissions. A transition temperature, independent of the system parameters, was identified.

Place, publisher, year, edition, pages
ELSEVIER SCIENCE SA , 2018. Vol. 396, p. 67-74
Keywords [en]
Brake environmental design, Frictional heating, Particulate Matter, Particle Coefficient
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear)
Identifiers
URN: urn:nbn:se:kth:diva-222166DOI: 10.1016/j.wear.2017.11.011ISI: 000422803000007Scopus ID: 2-s2.0-85035047416OAI: oai:DiVA.org:kth-222166DiVA, id: diva2:1180912
Note

QC 20180207

Available from: 2018-02-07 Created: 2018-02-07 Last updated: 2018-02-07Bibliographically approved

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Wahlström, JensOlofsson, Ulf

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Wear
Tribology (Interacting Surfaces including Friction, Lubrication and Wear)

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