Numerical Simulation of Combustion and Emission Characteristics during Gas Turbine Startup Procedure

Yang Ding, Jiangang Hao, Anqi Li, Xuhuai Wang, Xiang Zhang and Yong Liu
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Yang Ding: Steam Turbine and Gas Turbine Technology Department, Huadian Electric Power Research Institute Co., Ltd., Hangzhou 310030, China
Jiangang Hao: Steam Turbine and Gas Turbine Technology Department, Huadian Electric Power Research Institute Co., Ltd., Hangzhou 310030, China
Anqi Li: Aero-Engine Thermal Environment and Structure Key Laboratory of Ministry of Industry and Information Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
Xuhuai Wang: Aero-Engine Thermal Environment and Structure Key Laboratory of Ministry of Industry and Information Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
Xiang Zhang: Aero-Engine Thermal Environment and Structure Key Laboratory of Ministry of Industry and Information Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
Yong Liu: Aero-Engine Thermal Environment and Structure Key Laboratory of Ministry of Industry and Information Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

Energies, 2022, vol. 15, issue 15, 1-17

Abstract: The annual operation data of an F-class gas turbine generator set revealed that the duration of the startup process accounts for about 8.5% of the whole operation process. The three combustion models of a DLN2.0+ combustor demonstrated higher NOx emissions than the premixed mode under normal load during the startup process. In order to evaluate the scale of NOx emissions at this stage, numerical simulation was carried out for the startup process to discern the NOx emission pattern. Typical simulation conditions for each season were established to calculate the total annual NOx emissions at the initial stage based on operating data. On this basis, the characteristics of NOx emissions influenced by changes in the atmospheric environment were studied in depth. The results of this study provide referential data for evaluating the pollution characteristics and combustion adjustment of a ground gas turbine during startup.

Keywords: pollutant emission; gas turbine; startup procedure; numerical simulation; DLN combustor (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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