1. Center for Combustion Energy, School of Vehicle and Mobility, State Key Laboratory for Automotive Safety and Energy, Tsinghua University, 30 Shuang Qing Road, 100084 Beijing, China
2. Department of Energy and Power Engineering, Tsinghua University, 30 Shuang Qing Road, 100084 Beijing, China
3. School of Aerospace Engineering, Tsinghua University, 30 Shuang Qing Road, 100084 Beijing, China