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Pollutant Emission Validation of a Heavy-Duty Gas Turbine Burner by CFD Modeling
Department of Astronautics, Electrical and Energy Engineering, University of Rome, "Sapienza", via Eudossiana 18, Rome 00184, Italy
Received: 17 June 2013; in revised form: 27 August 2013 / Accepted: 27 September 2013 / Published: 16 October 2013
Abstract: 3D numerical combustion simulation in a can burner fed with methane was carried out in order to evaluate pollutant emissions and the temperature field. As a case study, the General Electric Frame 6001B system was considered. The numerical investigation has been performed using the CFD code named ACE+ Multiphysics (by Esi-Group). The model was validated against the experimental data provided by Cofely GDF SUEZ and related to a real power plant. To completely investigate the stability of the model, several operating conditions were taken into account, at both nominal and partial load. In particular, the influence on emissions of some important parameters, such as air temperature at compressor intake and steam to fuel mass ratio, have been evaluated. The flamelet model and Zeldovich’s mechanism were employed for combustion modeling and NOx emissions, respectively. With regard to CO estimation, an innovative approach was used to compute the Rizk and Mongia relationship through a user-defined function. Numerical results showed good agreement with experimental data in most of the cases: the best results were obtained in the NOx prediction, while unburned fuel was slightly overestimated.
Keywords: CFD; cogenerative power plant; combustion chamber; gas turbine; PDF; pollutant emissions
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MDPI and ACS Style
Meloni, R. Pollutant Emission Validation of a Heavy-Duty Gas Turbine Burner by CFD Modeling. Machines 2013, 1, 81-97.
Meloni R. Pollutant Emission Validation of a Heavy-Duty Gas Turbine Burner by CFD Modeling. Machines. 2013; 1(3):81-97.
Meloni, Roberto. 2013. "Pollutant Emission Validation of a Heavy-Duty Gas Turbine Burner by CFD Modeling." Machines 1, no. 3: 81-97.