1. Professor, School of Energy Power and Mechanical Engineering, North China Electric Power Univ., No. 2 North Agricultural Rd., Changping District, Beijing 102206, China.
2. Ph.D. Student, Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beisihuan West Rd. No. 11, Haidian, Beijing 100190, China.
3. Assistant Researcher, School of Vehicle and Mobility, Tsinghua Univ., Shuangqing Rd. No. 30, Haidian, Beijing 100084, China (corresponding author).
4. Associate Professor, College of Civil Engineering and Architecture, Shandong Univ. of Science and Technology, Qianwangang Rd. No. 579, Huangdao, Qingdao 266590, China.
5. Associate Professor, School of Vehicle and Mobility, Tsinghua Univ., Shuangqing Rd. No. 30, Haidian, Beijing 100084, China.