1. a Department of Mechanical Engineering, Universiti Tenaga Nasional, KM7 Jln Kajang-Puchong, 43009 Kajang, Selangor, Malaysia;, Email: khairuls@uniten.edu.my
2. b School of Mechanical Engineering, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
3. c School of Mechanical Engineering, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
4. d School of Mechanical Engineering, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan