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Racing Wheels’ Effect on Drag/Side Forces Acting on a Cyclist at Sportstech-Miun Wind Tunnel
University of Padova, Italy.
University of Padova, Italy.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Quality Management and Mechanical Engineering. (SportsTech Research Centre)ORCID iD: 0000-0003-2964-9500
Mid Sweden University, Faculty of Science, Technology and Media, Department of Quality Management and Mechanical Engineering. (SportsTech Research Centre)
2018 (English)In: Proceedings, Volume 2, ISEA 2018 / [ed] Dr Hugo Espinosa, David R. Rowlands, Jonathan Shepherd, Professor David Thiel, 2018, Vol. 2, p. 210-, article id 6Conference paper, Published paper (Refereed)
Abstract [en]

Abstract: the wind tunnel at the SportsTech Research Centre at Mid Sweden University (MIUN, Östersund) was opened in 2015 for sports technology research. It is dedicated primarily to analysis of equipment performance and garment development and especially suitable for roller skiing, running and cycling. The aim of this work was to develop a full-scale study to investigate the aerodynamic behaviour of a cyclist facing front and cross wind at different yaw angles (from 0° to 30°) and speeds. To reach this goal, a rotating structure supported by a force platform was constructed. It includes a set of rollers on which fully unrestrained cycling is possible. The method was applied to the comparison of three wheelsets (differing in material, height and shape of the rim, number and shape of spokes) in terms of drag and side aerodynamic forces during a cyclist’s ride at 30 km/h, while keeping all the other factors constant. Resulting curves allowed estimating differences of 4% and 9% when applied to a recent time trial competition.

Place, publisher, year, edition, pages
2018. Vol. 2, p. 210-, article id 6
Keywords [en]
aerodynamics, cycling, wheels, wind tunnel, drag, side, full-scale
National Category
Fluid Mechanics and Acoustics Tribology (Interacting Surfaces including Friction, Lubrication and Wear)
Identifiers
URN: urn:nbn:se:miun:diva-32501DOI: 10.3390/proceedings2060210OAI: oai:DiVA.org:miun-32501DiVA, id: diva2:1167600
Conference
12th Conference on the Engineering of Sport, Brisbane, Australia, 26-28 March 2018
Projects
STII
Funder
VINNOVAAvailable from: 2017-12-19 Created: 2017-12-19 Last updated: 2018-04-25Bibliographically approved

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Koptioug, AndreiBäckström, Mikael
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