1. School of Mechanical Engineering, Beijing Institute of Technology, Beijing, China and Centre for Advanced Low Carbon Propulsion Systems (C-ALPS), IFTC, Coventry University, England, UK.
2. School of Mechanical Engineering, Beijing Institute of Technology, Beijing, China.
3. School of Mechanical Engineering, Beijing Institute of Technology, Beijing, China. (e-mail: hwhebit@bit.edu.cn)
4. Centre for Advanced Low Carbon Propulsion Systems (C-ALPS), IFTC, Coventry University, England, UK.