1. a Department of Mechanical Engineering, Park College of Engineering and Technology, Coimbatore-641 659, Tamilnadu, India;, Email: kumaresh_park@yahoo.co.in
2. b Karpagam College of Engineering, Coimbatore-641 032, Tamilnadu, India
3. c Department of Mechanical Engineering, PSG College of Technology, Coimbatore-641 004, Tamilnadu, India
4. d Department of Mechanical Engineering, National Institute of Engineering, Mysore-570 008, Karnataka, India
5. e Department of Mechanical Engineering, Park College of Engineering and Technology, Coimbatore-641 659, Tamilnadu, India