1. Key Laboratory of Condition Monitoring and Control for Power Plant
Equipment, Ministry of Education, North China Electric Power University, Beijing 102206, People’s Republic of China
2. Institute of Combustion
Science and Environmental Technology, Western Kentucky University, Bowling Green, Kentucky 42101, United States
3. Energy Research Center, Lehigh University, 117
ATLSS Drive, Bethlehem, Pennsylvania 18015-4729, United States