1. Professor, Department of Civil and Architectural Engineering, College of Engineering, Sultan Qaboos University, Al-Khoud, Oman
2. Researcher, Housing and Building National Research Center (HBRC), Building Physics Institute (BPI), Dokki, Cairo, Egypt (corresponding author: )
3. Researcher, Housing and Building National Research Center (HBRC), Building Physics Institute (BPI), Dokki, Cairo, Egypt
4. Professor, Housing and Building National Research Center (HBRC), Building Physics Institute (BPI), Dokki, Cairo, Egypt