21S 重量および重量配分の異なるラージサイズ・テニスラケットのパワーに関連する性能予測
スポンサーリンク
概要
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At the current stage, the terms used in describing the performance of a tennis racket are based on the feeling of an experienced tester or a player. However, the optimum racket depends on the physical and technical levels of each user. Accordingly, there are a number of unclear points regarding the relationship between the performance estimated by a player and the physical properties of a tennis racket. This paper investigates the physical properties of a conventional weight balanced racket and a super light racket with large face area, predicting racket performamce in terms of the coefficient of restitution, the rebound power coefficient, and the post-impact all velocity, that is the performance relevant to the power of the racket. It is based on the the experimental identification of the racket dynamics and the simple nonlinear impact analysis. The predicted results could explain the mechanism of difference in performance between the conventional and the superlight rackets with large face area.
- 2000-11-08
論文 | ランダム
- 社会が好きになる授業の工夫--子どもたちの心を揺さぶる問題場面を (知的興味を伸ばす) -- (知的興味を伸ばす授業)
- 勉強好きにする授業の工夫 (勉強ぎらい)
- 社会科 (わかる学習) -- (「わかる学習」をめざす授業の工夫)
- 社会科 (考える子どもを育てる) -- (考える子を育てる教科学習の実践--教材学習においていかに「考える子」を育てるか)
- 社会科--地図をめぐる子どもの「つまずき」とその指導 (「つまずき」を生かす) -- (「つまずき」の診断と指導--おかしやすい「つまずき」の分析と指導)