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Airborne Wear Particles from Dry Clutches
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- Hjelm, Rikard (author)
- Lund University,Lunds universitet,Institutionen för maskinvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,LTH profilområde: Aerosoler,LTH profilområden,Department of Mechanical Engineering Sciences,Departments at LTH,Faculty of Engineering, LTH,LTH Profile Area: Aerosols,LTH Profile areas,Faculty of Engineering, LTH
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- Wahlström, Jens (author)
- Lund University,Lunds universitet,Institutionen för maskinvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,LTH profilområde: Aerosoler,LTH profilområden,Department of Mechanical Engineering Sciences,Departments at LTH,Faculty of Engineering, LTH,LTH Profile Area: Aerosols,LTH Profile areas,Faculty of Engineering, LTH
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- Yenibayrak, Isa (author)
- Lund University
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- (creator_code:org_t)
- 2022-10-17
- 2022
- English.
- In: Atmosphere. - : MDPI AG. - 2073-4433. ; 13:10
- Journal article (peer-reviewed)
Abstract
Subject headings
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- A significant part of non-exhaust particle emissions in cities comes from the wear of vehicle components. Several studies on airborne particles from the wear of disc brakes and tires have been completed. However, few publications can be found in the scientific literature regarding airborne emissions from dry clutches used in road vehicles. With this in mind, this preliminary study designs a clutch tribometer for the generation of airborne wear particles in a controlled environment. The number concentration and the size distribution of airborne wear particles generated from a typical dry clutch used in passenger cars are investigated. The tests are run at a constant rotational speed, and normal load. The results show that the particle number concentration from dry clutches exhibits a running-in period and a steady state, similar to the particle emissions from disc brake contact. A significant number of nanoparticles (aerodynamic diameter < 100 nm) are emitted from the dry clutch contact.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Tribologi (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Tribology (hsv//eng)
Keyword
- airborne wear particles
- clutch
- nanoparticles
- number concentration
- particulate matter concentration
- size distribution
Publication and Content Type
- art (subject category)
- ref (subject category)
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- Hjelm, Rikard
- Wahlström, Jens
- Yenibayrak, Isa
- Sabani, Driton
- Runsten, Paula
- Lyu, Yezhe
- About the subject
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- ENGINEERING AND TECHNOLOGY
- ENGINEERING AND ...
- and Mechanical Engin ...
- and Tribology
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- Atmosphere
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- Lund University
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