Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
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Meile, W; Reisenberger, E; Mayer, M; Schmolzer, B; Muller, W; Brenn, G.
Aerodynamics of ski jumping: experiments and CFD simulations
EXP FLUID. 2006; 41(6): 949-964.
Doi: 10.1007/s00348-006-0213-y
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- Co-Autor*innen der Med Uni Graz
- Müller Wolfram
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- Abstract:
- The aerodynamic behaviour of a model ski jumper is investigated experimentally at full-scale Reynolds numbers and computationally applying a standard RANS code. In particular we focus on the influence of different postures on aerodynamic forces in a wide range of angles of attack. The experimental results proved to be in good agreement with full-scale measurements with athletes in much larger wind tunnels, and form a reliable basis for further predictions of the effects of position changes on the performance. The comparison of CFD results with the experiments shows poor agreement, but enables a clear outline of simulation potentials and limits when accurate predictions of effects from small variations are required.