Wind-tunnel experiment on aerodynamic characteristics of a runner using a moving-belt system

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ID: 89765
2016
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Abstract
Wind-tunnel experiments are the most effective approaches both to elucidate the flows around runners in track-and-field athletics, and to evaluate their air resistances. In the present study, we develop a moving-belt system, and show its basic performance, such as the distributions of time-mean flow velocity and turbulent intensity above the moving-belt using a hot-wire anemometer. As a result, we have confirmed the effective improvement of the velocity distributions in terms of flow uniformity and turbulence reduction, especially near the moving-belt surface. Following, using this the developed moving-belt system, we investigate the air resistance on a runner in solo running and in duet running. For solo running, we reveal an increase in air resistance of more than 10% in comparison with the conventional result with no moving-belt system. For duet running, we reveal the optimum duet-running formation where a following runner behind a pacemaker experiences small air resistances or strong drafts.
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inoue2016windtunnelcogent Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Tatsuya Inoue, Takafumi Okayama, Takahiro Teraoka, Satoshi Maeno, Katsuya Hirata
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Journal cogent engineering
Year 2016
DOI
DOI not found
URL
http://dx.doi.org/10.1080/23311916.2016.1231389
Keywords
Medicine (General) Engineering (General). Civil engineering (General) Mechanical engineering and machinery water supply for domestic and industrial purposes hydraulic engineering arts in general

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