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논문 기본 정보

자료유형
학술저널
저자정보
강수영 (인하대학교) 김정호 (인하대학교) 김동섭 (인하대학교)
저널정보
한국유체기계학회 한국유체기계학회 논문집 유체기계저널 제15권 제6호
발행연도
2012.12
수록면
18 - 24 (7page)

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초록· 키워드

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This study simulated the operation of a steam injected gas turbine combined heat and power (CHP) system. A full off-design analysis was carried out to examine the change in the turbine blade temperature caused by steam injection. The prediction of turbine blade temperature was performed for the operating modes suggested in the previous study where the limitation of compressor surge margin reduction was analyzed in the steam injected gas turbine. It was found that both the fully injected and partially injected operations suggested in the previous study would cause the blade temperature to exceed that of the pure CHP operation and the under-firing operation would provide too low blade temperature. An optimal operation was proposed where both the turbine inlet temperature and the injection amount were modulated to keep both the reference turbine blade temperature and the minimum compressor surge margin. The modulation was intended to maintain a stable compressor operation and turbine life. It was shown that the optimal operation would provide a larger power output than the under-firing operation and a higher efficiency than the original partially injected operation.

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ABSTRACT
1. 서론
2. 시스템 모델링
3. 결과 및 분석
4. 결론
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UCI(KEPA) : I410-ECN-0101-2014-554-000473270