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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국마린엔지니어링학회 Journal of Advanced Marine Engineering and Technology (JAMET) 한국마린엔지니어링학회지 제40권 제2호
- 발행연도
- 2016.2
- 수록면
- 102 - 106 (5page)
이용수
초록· 키워드
오류제보하기
An experimental study on the flow characteristics under various laminar coflow diffusion flames was conducted with a particular focus on the buoyancy force exerted from gaseous hydrocarbon fuels. Methane (CH4), ethylene (C2H4), and n-butane (C4H10) were used as the fuels. A coflow burner and the Schlieren imaging technique were used to observe the flow field of each fuel near the nozzle exit as well as the flow characteristics in the flames. The results show that a vortex with a density heavier than air appeared in n-butane near the nozzle exit with a strong negative buoyancy on the fuel steam. As the Reynolds number increased through the control of the fuel velocity of the n-butane flame, the vortices were greater and the vortex tips were moved up from the nozzle exit. In addition, the heated nozzle affected the flow fields of the fuel steam near the nozzle exit.
목차
Abstract
1. Introduction
2. Experimental setup
3. Results and discussion
4. Conclusion
References
참고문헌 (16)
참고문헌 신청
J. H. Choi, “Experimental study on characteristics of synergistic effect of fuel mixing on number density and size of soot in ethylene-base counterflow diffusion flames by laser techniques,” Journal of the Korean Society of Marine Engineering, vol. 33, no. 3, pp. 378-386, 2009.
J. H. Choi and S. K. Park, “A numerical study on soot formation in ethylene diffusion flame under 1g and 0g,” Journal of the Korean Society of Marine Engineering, vol. 37, no. 8, pp. 807-815, 2013.
Y. Xiong, M. S. Cha, and S. H. Chung, “Fuel density effect on near nozzle flow field in small laminar coflow diffusion flames,” Proceedings of the Combustion Institute, vol. 35, no. 1, pp. 873-880, 2015.
V. R. Katta and W. M. Roquemore, “Role of inner and outer structures in transitional jet diffusion flame,” Combust and Flame 92, pp. 274-282, 1993.
R. W. Davis, E. F. Moore, W. M. Roquemore, L. D. Chen, V. Vilimpoc, and L. P. Goss, “Preliminary results of a numerical-experiment study of the dynamic structure of a buoyant jet diffusion flame,” Combust and Flame 83, pp. 263-270, 1991.
J. H. Choi and S. K. Park, “A numerical study on soot formation in ethylene diffusion flame under 1g and 0g,” Journal of the Korean Society of Marine Engineering, vol. 37, no. 8, pp. 807-815, 2013.
Y. Xiong, M. S. Cha, and S. H. Chung, “Fuel density effect on near nozzle flow field in small laminar coflow diffusion flames,” Proceedings of the Combustion Institute, vol. 35, no. 1, pp. 873-880, 2015.
V. R. Katta and W. M. Roquemore, “Role of inner and outer structures in transitional jet diffusion flame,” Combust and Flame 92, pp. 274-282, 1993.
R. W. Davis, E. F. Moore, W. M. Roquemore, L. D. Chen, V. Vilimpoc, and L. P. Goss, “Preliminary results of a numerical-experiment study of the dynamic structure of a buoyant jet diffusion flame,” Combust and Flame 83, pp. 263-270, 1991.
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UCI(KEPA) : I410-ECN-0101-2016-559-002675282