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Friktionsegenskaper hos snö och is
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik.
2024 (svensk)Independent thesis Basic level (professional degree), 10 poäng / 15 hpOppgave
Abstract [en]

Every year in the Nordic countries we are affected by winter road conditions. The roadsbecome unpredictable and many traffic accidents occur. This report aims to study thefriction on snow and ice and see how it is affected by different temperatures and surfaces.The friction will also be compared between tests made on outdoor tracks against tests onindoor tracks, and how the friction is affected after a studded tire passes and drives up thesurface. For this, several tests have been performed on Arctic Falls indoor and outdoortracks, where measurement data has been collected using two different ViaFriction carts.The data has then been analyzed in the program Matlab and compiled into several graphsand tables.

The results show that there is a clear correlation between a varying temperature and howthe coefficient of friction is affected by it. Indoor tracks do not differ significantly fromoutdoor tracks, but more tests or time may be required to make a completely safeconclusion. Finally, one can clearly see a big difference in the friction/surface when astudded tire has passed, in some cases up to a halved coefficient of friction for the drivensurface.

sted, utgiver, år, opplag, sider
2024. , s. 34
Emneord [en]
Friction
Emneord [sv]
Friktion
HSV kategori
Identifikatorer
URN: urn:nbn:se:ltu:diva-104541OAI: oai:DiVA.org:ltu-104541DiVA, id: diva2:1847222
Fag / kurs
Student thesis, at least 15 credits
Utdanningsprogram
Automotive Engineering, bachelor's level
Veileder
Examiner
Tilgjengelig fra: 2024-03-27 Laget: 2024-03-26 Sist oppdatert: 2024-03-27bibliografisk kontrollert

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Type fulltextMimetype application/pdf

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