1. Key
Laboratory for Power Machinery and Engineering of Ministry of Education, Shanghai Jiao Tong University, Shanghai, 200240, People’s Republic of China
2. State
Key Laboratory of Engines, Tianjin University, Tianjin, 300072, People’s Republic of China
3. Engine
Research Center, University of Wisconsin−Madison, Madison, Wisconsin, 53705, United States
4. Department
of Mechanical Science and Engineering, University of Illinois at Urbana−Champaign, Urbana, Illinois, 61801, United States
5. Center
for Combustion Energy, Tsinghua University, Beijing 100084, People’s Republic of China