Effects of H2O/N2 Blended Dilution on Flame Structure and NOx Formation Characteristics in High Pressure Condition
고압조건에서 H2O/N2 혼합희석이 IGCC 가스터빈 연소기의 화염구조 및 NOx 생성특성에 미치는 영향 해석
- Published : 2014.11.27
Abstract
The present study has numerically investigated the effects of the oxidizer-side nitrogen dilution on the precise structure and NOx formation characteristics of the turbulent syngas nonpremixed flames. Eulerian particle flamelet model was used to predicted the NOx formation characteristics in the turbulent syngas swirling nonpremixed flames. Current numerical simulation was conducted for the syngas gas turbine combustor. Numericla results indicate that as the H2O portion is increased in diluent, the formation of NOx decreased effectively in turbulent syngas swirl nonpremixed flames.
Keywords
- Syngas;
- Nonpremixed Swirl flames;
- Nitrogen dilution;
- Eulerian particle flamelet model;
- Turbulent-chemistry interaction;
- Full NOx chemistry