지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2013.4
- 수록면
- 73 - 80 (8page)
이용수
초록· 키워드
오류제보하기
Breakdown characteristics of air in the vertical arrangement of line conductor and plane electrode in case of combustion flame on the plane electrode are examined by the application of AC. and DC voltages to the gap. In order to investigate the effect of paraffin flame on the breakdown characteristics of air, flashover voltages are measured according to the variation of the gap length and the horizontal distance between the flame and the line conductor. As the result of the experiment, flashover voltages are substantially lowered down to 29.8% in case of the AC voltage, and 16.1% in case of the negative DC voltage, when in the presence of the flame. from 100% when in the absence of flame.
Flashover voltages of air in the range of smaller than 3㎝ at the horizontal distance are increased in the proportion of the gap length and the horizontal distance in case of both AC and negative DC voltages. But before the flashover occurs, the flame is extinguished by such corona wind that is produced from the line conductor when the gap length and the horizontal distance reach to a certain degree. The effect of relative air density and the phenomenon of thermal ionization are analysed as the reduction factors of flashover voltages, due to high temperature of the flame.
Flashover voltages of air in the range of smaller than 3㎝ at the horizontal distance are increased in the proportion of the gap length and the horizontal distance in case of both AC and negative DC voltages. But before the flashover occurs, the flame is extinguished by such corona wind that is produced from the line conductor when the gap length and the horizontal distance reach to a certain degree. The effect of relative air density and the phenomenon of thermal ionization are analysed as the reduction factors of flashover voltages, due to high temperature of the flame.
목차
Abstract
1. 서론
2. 화염의 연소반응
3. 실험 장치 및 방법
4. 실험결과 및 고찰
5. 결론
References
참고문헌 (10)
참고문헌 신청
1. [인터넷자원] - / / Korea Forest Service Website
2. [학술지(정기간행물)] - J. D. Boom / 2009 / The Effect of DC Electric Field on Laminar Burning Velocity of Air Flames / Proceeding of the Combustion Institute 32 (1) : 1237 ~ 1244
3. [학술지(정기간행물)] - I. Kim / 2011 / Breakdown Characteristics of a Vertical Sphere-Plane Air-Gap in the Presence of Combustion Flame / Journal of KIIEE 25 (5) : 79 ~ 84
4. [학술지(정기간행물)] - M. J. Tummers / 2009 / Hysteresis and Transition in Swirling Flames / Combustion and Flame 156 (2) : 447 ~ 459
5. [학술지(정기간행물)] - K. Koyama / 1987 / The Measurement of the Electrical Conductivity of Seeded Flame Plasmas / Trans. on IEE Japan 87-6 (945) : 1145 ~ 1151
2. [학술지(정기간행물)] - J. D. Boom / 2009 / The Effect of DC Electric Field on Laminar Burning Velocity of Air Flames / Proceeding of the Combustion Institute 32 (1) : 1237 ~ 1244
3. [학술지(정기간행물)] - I. Kim / 2011 / Breakdown Characteristics of a Vertical Sphere-Plane Air-Gap in the Presence of Combustion Flame / Journal of KIIEE 25 (5) : 79 ~ 84
4. [학술지(정기간행물)] - M. J. Tummers / 2009 / Hysteresis and Transition in Swirling Flames / Combustion and Flame 156 (2) : 447 ~ 459
5. [학술지(정기간행물)] - K. Koyama / 1987 / The Measurement of the Electrical Conductivity of Seeded Flame Plasmas / Trans. on IEE Japan 87-6 (945) : 1145 ~ 1151
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UCI(KEPA) : I410-ECN-0101-2014-560-003640584