1. College
of Electric Power, North China University of Water Resources and Electric Power, Zheng Zhou 450045, China
2. Key
Laboratory of Energy Thermal Conversion and Control of Ministry of
Education, Southeast University, Nanjing 210096, China
3. State
Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan 430074, China
4. Xi’an Thermal Power Research Institute, Xi’an 710054, China