1. Applied Research Center for Metrology, Standards and Testing , Research Institute, King Fahd University of Petroleum and Minerals , Dhahran 31261 , Saudi Arabia
2. Electrical Engineering Department , King Fahd University of Petroleum and Minerals , Dhahran 31261 , Saudi Arabia
3. Mechanical Engineering Department , King Fahd University of Petroleum and Minerals , Dhahran 31261 , Saudi Arabia