1. Clean Combustion Research Center, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
2. Energy and Power Engineering Institute, Henan University of Science and Technology, Luoyang, Henan 471003, China
3. National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029, China
4. Key Laboratory for Power Machinery and Engineering of MOE, Shanghai Jiao Tong University, Shanghai 200240, China