무탄소 연료의 가스터빈 적용 특성에 관한 연구
Study on Zero Carbon Fuels for Gas Turbine Application
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초록
This study examines the co-firing characteristics of a zero-carbon fuel based on methane gas (CH4) with hydrogen (H2) and ammonia (NH3) by means of numerical simulation using ANSYS CHEMKIN-Pro and the performance analysis tool Ebsilon. Four different co-firing conditions are analyzed, namely, pure H2, pure NH3, 100% NH3 full cracking fuel (75% H2 + 25% N2), and partial (60%) NH3 cracking fuels. Adhering to identical adiabatic flame temperature values across all co-firing conditions, we maintain the same TIT (Turbine Inlet Temperature) for calculation purposes. Notably, a slight increase in NH3 fuel composition leads to elevated fuel NOx, presenting an obstacle in applying premixed-type gas turbine combustion. Cycle analysis results demonstrate that power output and efficiency increase as the blending ratio is raised, with significant disparities among the blending fuels.
Abstract
This study examines the co-firing characteristics of a zero-carbon fuel based on methane gas (CH4) with hydrogen (H2) and ammonia (NH3) by means of numerical simulation using ANSYS CHEMKIN-Pro and the performance analysis tool Ebsilon. Four different co-firing conditions are analyzed, namely, pure H2, pure NH3, 100% NH3 full cracking fuel (75% H2 + 25% N2), and partial (60%) NH3 cracking fuels. Adhering to identical adiabatic flame temperature values across all co-firing conditions, we maintain the same TIT (Turbine Inlet Temperature) for calculation purposes. Notably, a slight increase in NH3 fuel composition leads to elevated fuel NOx, presenting an obstacle in applying premixed-type gas turbine combustion. Cycle analysis results demonstrate that power output and efficiency increase as the blending ratio is raised, with significant disparities among the blending fuels.
참고문헌 (14)
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