The Proceedings of the Symposium on sports and human dynamics
Online ISSN : 2432-9509
2021
Session ID : B-7-2
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Aerodynamic Characteristics of the Badminton Shuttlecock Immediately After Smash
*Nor Nadhirah Binti Md ZAHARILHiroo OKANAGAMasanori ODAKAKaisho OGAWA
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Abstract

In the recent study, it was revealed that both feather ball and nylon ball have a higher drag coefficient when rotating with and without rotation, and that the nylon ball has a higher drag coefficient than the feather ball. In addition, in the flight trajectory verification experiment, the deceleration rates of the feather ball and nylon ball during rotation are compared at the initial and final speeds. It was clarified that the deceleration rate of the nylon ball was higher than the feather ball in 2 out of 3 subjects. The drag coefficient at 200 km/h or higher are not clearly proved yet. Therefore, in this study, the deceleration rates of the initial and final speeds of the feather ball and nylon ball are calculated in the flight trajectory experiment, and the aerodynamic characteristics of the shuttlecock in the high-speed region are further elucidated. As a result, the results showed that the feather ball had a higher deceleration rate than the nylon ball in both subjects, but there was no significant change in the deceleration rate values. The drag coefficient tends to decrease significantly with the decrease in speed in the range of 200 km/h or more for both the feather ball and the nylon ball.

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© 2021 The Japan Society of Mechanical Engineers
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