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논문 기본 정보

자료유형
학술저널
저자정보
황정재 (한국기계연구원) 김민국 (한국기계연구원) 이원준 (한국기계연구원) Borys Shershnyov (두산에너빌리티) 신영준 (두산에너빌리티) 조은성 (두산에너빌리티)
저널정보
한국연소학회 한국연소학회지 한국연소학회지 제27권 제4호
발행연도
2022.12
수록면
11 - 19 (9page)
DOI
10.15231/jksc.2022.27.4.011

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초록· 키워드

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A hydrogen combustor for applying to 5MWe-class small gas turbines was designed and experimentally investigated in this study. A swirl type, not a multi-tube type, which is widely used in the recently developed hydrogen combustor, was applied to this hydrogen combustor. The test was conducted at the inlet temperature of 410℃ which is derived from cycle analysis and at atmospheric pressure (1.35 barA). First, the ignition test was performed while switching from NG flame to hydrogen flame. Flame structures (from direct photo and OH<SUP>*</SUP> chemiluminescence), NO<SUB>X</SUB> emission and dynamic pressure were observed with varying adiabatic flame temperatures and fuel splits of FC1 and FC2. Lean blowout and flashback characteristics were investigated with varying equivalence ratio and flow velocity. Flame was converted from V-shaped flame to M-shaped flame as equivalence ratio increases and M-shaped one has higher NO<SUB>X</SUB> emissions. NO<SUB>X</SUB> emission is under 3 ppm (@15% O₂) at 1860 K of flame temperature which is equivalent or even lower level of NG combustors. It was found that the operating range from lean blowout to flashback is very wide.

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ABSTRACT
1. 서론
2. 실험
3. 실험 결과
4. 결론
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