二輪車ライダー周り流れのCFD解析(バイオ・マイクロ・スポーツの流れ スポーツ流体,一般講演) [in Japanese] CFD Analysis of Airflow around the Rider of a Motorcycle [in Japanese]
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Recently, rider comfort at highway driving has become an important issue in the performance improvement of motorcycles. Comfort includes windbreak, pressure on the rider, wind noise, visibility, and steering characteristics. The environment of a rider on a motorcycle is an open space, very different from the passenger environment in an automobile. There are many airflow paths in a motorcycle with a cowl and a windscreen; thus, airflow behavior is constituted with a delicate balance. Though wind tunnel tests can give us an outline of airflow, CFD is a useful way to visualize the airflow of the rider's environment and clarify the details.
日本流体力学会年会講演論文集 2009, 266, 2009