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Studies into the Mechanisms of the Cross-country Ski Vibrations and Possible Models of the Phenomenon
Mid Sweden University, Faculty of Science, Technology and Media, Department of Quality Technology and Management, Mechanical Engineering and Mathematics. (SportsTech)
Mid Sweden University, Faculty of Science, Technology and Media, Department of Quality Technology and Management, Mechanical Engineering and Mathematics. (SportsTech)
Mid Sweden University, Faculty of Science, Technology and Media, Department of Quality Technology and Management, Mechanical Engineering and Mathematics.
2013 (English)In: 6TH ASIA-PACIFIC CONGRESS ON SPORTS TECHNOLOGY (APCST), Elsevier, 2013, Vol. 60, p. 40-45Conference paper, Published paper (Refereed)
Abstract [en]

Field and laboratory measurements show a presence of intense cross-country ski vibrations during free gliding. Thereare indications that such vibrations may and indeed do affect the average friction forces and thus should affect the skigliding. Our studies into the nature of these vibrations and the factors influencing their frequencies and magnitudesare driven by the desire to control them for improving ski gliding performance. The complexity of the correspondingresonance system, represented by constant interaction of the skier, the skis and the snow, and the mechanisms of thevibration excitation, most probably dominated by the stochastic forces caused by a stick-slip character of the friction,demand new approaches to the modelling and experiments. Present paper describes some results of the experimentallaboratory studies of such vibrations, and possible approaches to their modelling following the routes suggested inmodelling of the similar phenomena.

Place, publisher, year, edition, pages
Elsevier, 2013. Vol. 60, p. 40-45
Series
Procedia Engineering, ISSN 1877-7058 ; 60
Keywords [en]
Cross country skis; gliding efficiency; ski vibrations; experimental; modelling
National Category
Other Mechanical Engineering
Identifiers
URN: urn:nbn:se:miun:diva-20586DOI: 10.1016/j.proeng.2013.07.077ISI: 000326266100007Scopus ID: 2-s2.0-84891697471OAI: oai:DiVA.org:miun-20586DiVA, id: diva2:677550
Conference
6th Asia-Pacific Conference on Sports Technology, APCST 2013; Hong Kong; Hong Kong; 18 September 2013 through 20 September 2013; Code 101817
Available from: 2013-12-10 Created: 2013-12-10 Last updated: 2014-11-03Bibliographically approved

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Koptyug, AndreyBäckström, MikaelTinnsten, Mats

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