1. Ph.D. Student, Dept. of Mechanical Engineering, Atatürk Univ., Erzurum 25240, Turkey (corresponding author).
2. Professor, Dept. of Mechanical Engineering, Atatürk Univ., Erzurum 25240, Turkey.
3. Assistant Professor, Dept. of Mechanical Engineering, Kafkas Univ., Kars 36040, Turkey.
4. Ph.D. Student, Dept. of Mechanical Engineering, Atatürk Univ., Erzurum 25240, Turkey.