1. Energy Systems Engineer, US-Pakistan Center for Advanced Studies in Energy, National Univ. of Sciences and Technology, Islamabad 44000, Pakistan.
2. Assistant Professor, US-Pakistan Center for Advanced Studies in Energy, National Univ. of Sciences and Technology, Islamabad 44000, Pakistan (corresponding author).
3. Mechanical Engineer, School of Mechanical and Manufacturing Engineering, National Univ. of Sciences and Technology, Islamabad 44000, Pakistan.