1. Department of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China
2. Key Laboratory of Efficient Utilization of Low and Medium Grade Energy (MOE), Tianjin University, Tianjin, China
3. Institute for Advanced Study, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China
4. Department of Mechanical Engineering, University of Victoria, Victoria, BC, Canada
5. Institute for Integrated Energy Systems, University of Victoria, Victoria, BC, Canada