1. Department of Mechanical Engineering, College of Engineering, Nihon University, 1-Nakagawara, Tokusada, Tamura-machi, Koriyama, 963-8642, Japan e-mail:
2. Mem. ASME Department of Mechanical Engineering, College of Engineering, Nihon University, 1-Nakagawara, Tokusada, Tamura-machi, Koriyama, 963-8642, Japan e-mail: