1. State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China
2. Research Center of Engineering Thermophysics, North China Electric Power University, Beijing 102206, China
3. Department of Mechanical Engineering, City University of Hong Kong, Tat Chee Avenue, Kowloon 999077, Hong Kong
4. Department of Chemical Engineering & Materials Science, Yuan-Ze University, Chungli 320, Taiwan