1. Professor, Dept. of Mechanical Engineering, Al-Zaytoonah Univ. of Jordan, Amman 11733, Jordan.
2. Professor, Mechanical Engineering Dept., Univ. of Jordan, Amman 11942, Jordan.
3. Lecturer, Dept. of Mechanical Engineering, Al-Zaytoonah Univ. of Jordan, Amman 11733, Jordan (corresponding author).
4. Assistant Professor, Dept. of Mechanical Engineering, Al-Zaytoonah Univ. of Jordan, Amman 11733, Jordan.