Study on restitution characteristics of new/old rubber baseballs and metal baseball bat adapting to the new rubber baseball

Author:

SAKAI Shinobu1,YASUTOMI Daisuke2,SHI Jin-Xing1,URAKAMI Akira3,MIZOGUCHI Masato4

Affiliation:

1. Department of Production Systems Engineering and Sciences, Komatsu University

2. Graduate School of Natural Science and Technology, Kanazawa University

3. Human Life Technology Research Institute, Toyama Industrial Technology Research and Development Center

4. Planning and Management Department, Toyama Industrial Technology Research and Development Center

Publisher

Japan Society of Mechanical Engineers

Reference19 articles.

1. Aoki, K., Okanaga, H. and Nagase, J., Comparison of traditional rubber-ball baseball ball of Japan and aerodynamic characteristic of the measure league ball, Proceeding of JSME Symposium on Sports and Human Dynamics 2013, No.13-34 (2013), DOI:10.1299/jsmeshd.2013._241-1 (in Japanese).

2. ASTM Designation, F2219-07, Standard test methods for measuring high-speed bat performance (2007), pp.1-5.

3. Iwatsubo, T., Nakagawa, N., Akao, M., Tominaga, I. and Yamaguchi, T., Optimum design of a golf club head, Transactions of the Japan Society of Mechanical Engineers, Series C, Vol.56, No.524 (1990), pp.1053-1059 (in Japanese).

4. Japan rubber baseball association, Official website (online), available from <http://jsbb.or.jp>, (accessed on 5 March, 2019).

5. JSME, Handbook of mechanical engineering, Fundamentals α2 Dynamics of Machinery (2004), p.105 (in Japanese).

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