About the Authors

El-Sayed El-Kady

Mechanical Engineering Department, Faculty of Engineering, Benha University, Cairo, Egypt

Tamer Khalil

Mechanical Engineering Department, Faculty of Engineering, Benha University, Cairo, Egypt

Tarik Tawfeek

Mechanical Engineering Department, Faculty of Engineering, Benha University, Cairo, Egypt

Corresponding Author

Email: tariktewfic@yahoo.co.uk