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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2023.12
- 수록면
- 67 - 75 (9page)
- DOI
- 10.6112/kscfe.2023.28.4.067
이용수
초록· 키워드
오류제보하기
In the gas turbine industry, minimizing fossil fuel consumption and mitigating carbon emissions are paramount objectives. With the pursuit of alternative energy sources, hydrogen fuel emerges as a potential solution. Nonetheless, there are still several unresolved questions concerning the safe operation of hydrogen fuels. This study employs numerical simulations to examine the combustion characteristics and thermal emissions of hydrogen gas, focusing on the effects of varying equivalence ratios in a micro mixer combustor. This numerical study investigated the combustion characteristics and thermal emissions of hydrogen fuel, varying the equivalence ratio in a micro mixer combustor. The findings revealed that the primary recirculation zone was most pronounced when the simulation operated at all the equivalence ratios. The combustion characteristics demonstrated that stable combustion with elevated temperatures was achieved at equivalence ratios ranging from 0.7 to 1.0. Moreover, the area-averaged outlet temperature rises as the equivalence ratio increases up to 1.2. Nevertheless, the highest pattern factor was observed at an equivalence ratio of 1.0. Furthermore, at an equivalence ratio of 0.7, the NOx emission value is computed at 88.84ppm with 15% oxygen by volume. This study indicates that stable combustion of hydrogen fuel in the micro mixer combustor not only enhances the uniformity of temperature distribution but also mitigates the thermal NOx emission through the variation of equivalence ratios.
목차
1. 서론
2. 수치해석 방법
3. 결과 및 고찰
4. 결론
References
참고문헌 (23)
참고문헌 신청
1997, Ordin, P.M., Safety Standard for Hydrogen and Hydrogen Systems Guidelines for Hydrogen System Design, Materials Selection, Operations, Storage and Transportation.
2008, Burbano, H.J., Amell, A.A. and García, J.M., "Effects of hydrogen addition to methane on the flame structure and CO emissions in atmospheric burners," International Journal of Hydrogen Energy, 33(13), pp.3410-3415.
2010, Mardani, A. and Tabejamaat, S., "Effect of hydrogen on hydrogen–methane turbulent non-premixed flame under MILD condition," International Journal of Hydrogen Energy, 35(20), pp.11324-11331.
2021, Benaissa, S., Adouane, B., Ali, S.M. and Mohammad, A., "Effect of hydrogen addition on the combustion characteristics of premixed biogas/hydrogen-air mixtures," International Journal of Hydrogen Energy, 46(35), pp.18661-18677.
2022, Sun, Y., Zhang, Y., Huang, M., Li, Q., Wang, W., Zhao, D., Cheng, S., Deng, H., Du, J., Song, Y. and Li, H., "Effect of hydrogen addition on the combustion and emission characteristics of methane under gas turbine relevant operating condition," Fuel
2008, Burbano, H.J., Amell, A.A. and García, J.M., "Effects of hydrogen addition to methane on the flame structure and CO emissions in atmospheric burners," International Journal of Hydrogen Energy, 33(13), pp.3410-3415.
2010, Mardani, A. and Tabejamaat, S., "Effect of hydrogen on hydrogen–methane turbulent non-premixed flame under MILD condition," International Journal of Hydrogen Energy, 35(20), pp.11324-11331.
2021, Benaissa, S., Adouane, B., Ali, S.M. and Mohammad, A., "Effect of hydrogen addition on the combustion characteristics of premixed biogas/hydrogen-air mixtures," International Journal of Hydrogen Energy, 46(35), pp.18661-18677.
2022, Sun, Y., Zhang, Y., Huang, M., Li, Q., Wang, W., Zhao, D., Cheng, S., Deng, H., Du, J., Song, Y. and Li, H., "Effect of hydrogen addition on the combustion and emission characteristics of methane under gas turbine relevant operating condition," Fuel
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