DPIV Measurements of Olympic Skeleton Athletes

Details DPIV Measurements of Olympic Skeleton Athletes DPIV Measurements of Olympic Skeleton Athletes

2010-10-13

arxiv.org/abs/1010.2792v1

Physics

Fluid Dynamics

Videos are included in this submission

Scientific paper

The Olympic sport of skeleton involves an athlete riding a small sled face first down a bobsled track at speeds up to 130 km/hr. In these races, the difference between gold and missing the medal stand altogether can be hundredths of a second per run. As such, reducing aerodynamic drag through proper body positioning is of first order importance. To better study the flow behavior and to improve the performance of the athletes, we constructed a mock section of a bobsled track which was positioned at the exit of an open loop wind tunnel. DPIV measurements were made along with video recordings of body position to aid the athletes in determining their optimal aerodynamic body position. In the fluid dynamics video shown, the athlete slowly raised his head while DPIV measurements were made behind the helmet in the separated flow region.

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