1. State Key Laboratory of Coal CombustionSchool of Energy and Power EngineeringHuazhong University of Science and Technology (HUST) Wuhan 430074 China
2. China‐EU Institute for Clean and Renewable EnergyHuazhong University of Science and Technology Wuhan 430074 China
3. Department of Mechanical EngineeringThe University of Tokyo (UTOKYO) 7‐3‐1 Hongo, Bunkyo‐ku Tokyo 113‐8656 Japan
4. Department of Electrical and Computer EngineeringNational University of Singapore (NUS) Kent Ridge 117583 Republic of Singapore