1. Professor, Environmental Studies and Research Institute, Univ. of Sadat City, Sadat City 32897, Egypt (corresponding author).
2. M.Sc. Student, Electrical Power and Machines Dept., Faculty of Engineering, Cairo Univ., Giza 12613, Egypt.
3. Professor and Director of Energy Research Center, Electrical Power and Machines Dept., Faculty of Engineering, Cairo Univ., Giza 12613, Egypt.
4. Professor, Electrical Power and Machines Dept., Faculty of Engineering, Cairo Univ., Giza 12613, Egypt.