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van den Berg, Joris (author), Jux, C. (author), Sciacchitano, A. (author), van de Water, W. (author), Westerweel, J. (author)The flow field around a full-scale swimmer’s hand model with varying thumb positions is investigated by robotic volumetric PIV. The experiment is conducted in the Open Jet Facility wind tunnel at TU Delft at 15m/s. Quantitative flow field information is constructed with 3D-PTV in a 120 liter volume, encompassing the full hand and arm. The effect...conference paper 2019
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van den Berg, Joris (author), Bazuin, Rens (author), Jux, Constantin (author), Sciacchitano, A. (author), Westerweel, J. (author), van de Water, W. (author)Abstract: Our quest is for the thumb and finger positions that maximize drag in front crawl swimming and thus maximize propulsion efficiency. We focus on drag in a stationary flow. Swimming is in water, but using Reynolds similarity the drag experiments are done in a wind tunnel. We measure the forces on real-life models of a forearm with...journal article 2021