Wind tunnel tests and concerned topics in Sports

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Other Title
  • スポーツ流体に関する風洞とその関連技術
  • スポーツ流体に関する風洞とその関連技術 : スキージャンプを例として
  • スポーツ リュウタイ ニ カンスル フウドウ ト ソノ カンレン ギジュツ : スキージャンプ オ レイ ト シテ
  • ―スキージャンプを例として―
  • — Ski jumping flight —

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Abstract

  This paper explains three important factors of fluid dynamics in sports through the analysis of flight in a ski jump. The first important element is measuring aerodynamic forces in wind tunnel tests. If the values of aerodynamic forces are not accurate, the results of the computer simulation may be invalid. The second influence is concurrent optimization. Fluid dynamics research for sports should consider not only one objective, but several objectives in order to ensure equal optimization. The final factor is translating feeling to a quantity which can be simulated. This is attained on the basis of careful observation and insight for each problem.

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