Effect of seam characteristics on critical Reynolds number in footballs

In recent years, the design of footballs, including the number and shape of the panels forming the surface of footballs, has undergone a significant change. However, panels of varied shapes and seams are combined in complex ways to form the surface shape of footballs, and almost nothing is known abo...

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Bibliographic Details
Main Authors: Kiyoshi NAITO, Sungchan HONG, Masaaki KOIDO, Masao NAKAYAMA, Keiko SAKAMOTO, Takeshi ASAI
Format: Article
Language:English
Published: The Japan Society of Mechanical Engineers 2018-01-01
Series:Mechanical Engineering Journal
Subjects:
Online Access:https://www.jstage.jst.go.jp/article/mej/5/1/5_17-00369/_pdf/-char/en