1. Faculty of Engineering, Department of Mechanical Engineering, Ataturk University, Erzurum, Turkey;
2. Faculty of Engineering, Department of Mechanical Engineering, Gumushane University, Gumushane, Turkey;
3. UNIDEMI, Faculdade de Ciências e Tecnologia, Departamento de Engenharia Mecânica e Industrial, Universidade Nova de Lisboa, Caparica, Portugal