1. Department of Mechanical Engineering, Faculty of Engineering and Natural Sciences, Yıldırım Beyazıt University, Ankara, Turkey 06050 e-mail:
2. Department of Mechanical Engineering, Faculty of Engineering, Düzce University, Düzce, Turkey 81620 e-mail:
3. e-mail:
4. e-mail: Cumayeri Vocational School of Higher Education, Düzce University, Düzce, Turkey 81700