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Authors: Luca Oggiano ; Lars Morten Bardal ; Lars Sætran and Live Spurkland

Affiliation: Norwegian University of Science and Technology, Norway

Keyword(s): Aerodynamics, CFD, Wind Tunnel Testing, Cycling.

Related Ontology Subjects/Areas/Topics: Computer Systems in Sports ; Simulation and Mathematical Modeling ; Sport Science Research and Technology

Abstract: The present work shows a comparison between computational fluid dynamics (CFD) simulations obtained using the Unsteady Reynolds Averaged Navier-Stokes solver STARCCM+ from CD-Adapco and experiments carried out in the subsonic wind tunnel at NTNU. The models tested in the wind tunnel (a mannequin and real cyclist in static position) were 3D scanned using a 3D scanner, consisting 48 single-lens reflex cameras surrounding the object in three heights (low/ground-midi-above). A hybrid meshing technique was used in order to discretize the surface and the volume. Polyhedral cells were used on the model surface and in the near volume while a structured grid was used in the rest of the domain. An unsdeady RANS approach was used and the turbulence was modelled using the Menter implementation of the k-? model. No wall functions were used and the boundary layer was fully resolved. The first part of the paper focuses on the mannequin while in the second part the comparison between the experimenta l results and simulation on the real cyclist are presented. An overall good agreement between the simulations and the experiments was found proving that CFD could be a complementary tool to wind tunnel testing. (More)

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Paper citation in several formats:
Oggiano, L.; Morten Bardal, L.; Sætran, L. and Spurkland, L. (2015). Aerodynamical Resistance in Cycling - CFD Simulations and Comparison with Experiments. In Proceedings of the 3rd International Congress on Sport Sciences Research and Technology Support - icSPORTS; ISBN 978-989-758-159-5; ISSN 2184-3201, SciTePress, pages 183-189. DOI: 10.5220/0005590101830189

@conference{icsports15,
author={Luca Oggiano. and Lars {Morten Bardal}. and Lars Sætran. and Live Spurkland.},
title={Aerodynamical Resistance in Cycling - CFD Simulations and Comparison with Experiments},
booktitle={Proceedings of the 3rd International Congress on Sport Sciences Research and Technology Support - icSPORTS},
year={2015},
pages={183-189},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005590101830189},
isbn={978-989-758-159-5},
issn={2184-3201},
}

TY - CONF

JO - Proceedings of the 3rd International Congress on Sport Sciences Research and Technology Support - icSPORTS
TI - Aerodynamical Resistance in Cycling - CFD Simulations and Comparison with Experiments
SN - 978-989-758-159-5
IS - 2184-3201
AU - Oggiano, L.
AU - Morten Bardal, L.
AU - Sætran, L.
AU - Spurkland, L.
PY - 2015
SP - 183
EP - 189
DO - 10.5220/0005590101830189
PB - SciTePress

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