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논문 기본 정보

자료유형
학술저널
저자정보
Byeong Hun Seok (Yonsei University) Jun Seok Kim (Korea Maritime & Ocean Engineering University) Sung Hwan Yoon (Korea Maritime & Ocean Engineering University) Jungho Hwang (Yonsei University) Dae Geun Park (Korea Institute of Industrial Technology)
저널정보
한국마린엔지니어링학회 Journal of Advanced Marine Engineering and Technology (JAMET) 한국마린엔지니어링학회지 제47권 제5호
발행연도
2023.10
수록면
211 - 218 (8page)
DOI
10.5916/jamet.2023.47.5.211

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초록· 키워드

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This experimental study investigates the effect of DC electric fields on flame behavior and emissions in non-premixed hydrogen/methane flames using a co-flow burner. The study considers varying hydrogen mole fractions of 0.1, 0.3, and 0.5, and different fuel flow velocities of 2.0, 6.3, and 8.0 cm/s. To introduce DC electric fields, a high voltage terminal was connected to the fuel nozzle, while the ground terminal was connected to an upper mesh located above the flame. The applied DC voltages ranged from V<SUB>dc</SUB> = -10 kV to +10 kV. The study reveals that the addition of hydrogen reduces flame height. Furthermore, when subjected to DC electric fields, the flames exhibit movement towards the lower potential side, displaying stable and oscillating behaviors due to the Lorentz force acting on positive ions within the flames. The concentrations of CO and CO₂ exhibit insignificant changes with varying hydrogen mole fractions. However, when exposed to positive voltage, CO, CO₂, and NOX emissions are reduced. This research provides a detailed analysis of flame/flow behavior and emission characteristics when hydrogen and DC electric fields are introduced, providing valuable insights into the control of flame behavior and pollutant emissions.

목차

Abstract
1. Introduction
2. Experimental Setup and Methods
3. Result and Discussion
4. Conclusion
References

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