1. Associate Professor, Dept. of Mechanical Engineering, King Fahd Univ. of Petroleum and Minerals, P.O. Box 135, Dhahran 31261, Saudi Arabia.
2. Senior Research Engineer (Professor), Center for Engineering Research, Research Institute, King Fahd Univ. of Petroleum and Minerals, P.O. Box 442, Dhahran 31261, Saudi Arabia.
3. Senior Engineer, Center for Engineering Research, Research Institute, King Fahd Univ. of Petroleum and Minerals, P.O. Box 1331, Dhahran 31261, Saudi Arabia (corresponding author).