1. Mechanical Engineering Department,College of Engineering,King Fahd University of Petroleum andMinerals (KFUPM),P. O. Box: 279,Dhahran 31261, Saudi Arabia;Department of Thermal Scienceand Energy Engineering,University of Science and Technology of China,No. 96, JinZhai Road Baohe District,Hefei 230026, Anhui, Chinae-mail: g200805860@kfupm.edu.sa