• Title/Summary/Keyword: 휘발유

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Propagation Speed and Characteristic Analysis of Flame in Compartment Fires of Flammable Liquids (인화성 혼합유의 구획 화재에 의한 화염의 전파 속도 및 특성 해석)

  • Joe, Hi-Su;Lee, Jae-Ou;Choi, Chung-Seog
    • Fire Science and Engineering
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    • v.29 no.3
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    • pp.31-36
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    • 2015
  • This study analyzed the flame characteristics when igniting 200 ml of flammable liquids containing equal parts gasoline and another flammable liquid. These mixtures were used to fill a divided space in a simulation. The length of one side of the divided space was 2,000 mm, and the length of the combustion device was 1,000 mm. The mixture with alcohol had the highest flame propagation speed (0.7 s), while the mixture with light oil showed the lowest (1.2 s). The gasoline and acetone mixture reached peak flame in 25.5 s, at the highest speed, while the mixture with light oil reached peak flame in 163.7 s at the lowest speed. The gasoline and light oil showed the longest continuous combustion time (332.7 s), while the gasoline and paint thinner showed the shortest (121.5 s). A fire inspector who is examining the scene of a fire needs to analyze both the statements of the first eyewitness and the flame characteristics collectively.

석유제품이 되기까지

  • Korea Petroleum Association
    • Korea Petroleum Association Journal
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    • no.2 s.84
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    • pp.101-105
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    • 1988
  • ●휘발유의 배합과 가연 ●무연휘발유 제조방식 ●등유의 특성

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휘발유 특소세의 인하

  • Korea Petroleum Association
    • Korea Petroleum Association Journal
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    • no.10 s.20
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    • pp.4-5
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    • 1982
  • 휘발유는 고율의 특소세 부과로 산업의 국제경쟁력을 약화시키는 요인이 되고 있을 뿐만 아니라 수요감퇴의 주인이 되고 있다.

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정유사 주유소간 휘발유 가격발견에 관한 연구

  • Park, Hae-Seon
    • Environmental and Resource Economics Review
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    • v.21 no.3
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    • pp.493-517
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    • 2012
  • This paper analyzes a price discovery process for gasoline among branded and independent stations in Korea using a vector error correction model (VECM) and directed acyclic graphs (DAG). Two data sets for daily prices of medium level gasoline running from April 15, 2008 to May 31, 2009 and from January 1, 2011 to December 31, 2011 are used for empirical analysis. Empirical results show that S-OIL has an exogeneity and played a important role in the flow of price information in the market in the first period. In the second period, SK energy played a key role in price discovery process in the market. The price of NH-OIL stations do not cause the price of any other stations, which implies that the entrance of new branded stations with lower gasoline price to market has no influence on gasoline prices of retail markets.

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Impact of Differentials in Gas Prices on Consumers' Shopping Behaviors (지역 간 휘발유 가격 차이가 고객의 휘발유 구매 행태에 미치는 영향)

  • Lee, Jeongeun;Jung, Hojin
    • The Journal of the Korea Contents Association
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    • v.15 no.9
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    • pp.445-453
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    • 2015
  • We empirically investigated how differentials in gasoline prices influenced consumers' shopping behaviors at the gas pump. Among dimensions of many gas shopping behaviors, we focused on consumer decisions of purchase quantity and locations and found that price differentials across regions had statistically significant and negative effects on two consumers' decisions. Our findings provide important implications for the future research on gasoline demand and make a substantial contribution to empirical knowledge about how consumers make purchases in the gasoline retail industry.

The effect of aromatic compounds in fuel on motor vehicle exhaust emission (연료중 방향족함량이 자동차 배출가스에 미치는 영향)

  • 유영숙;엄명도;류정호;이상보;정성용;정충섭
    • Proceedings of the Korea Air Pollution Research Association Conference
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    • 2001.11a
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    • pp.199-200
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    • 2001
  • 최근 연료 가격의 상승으로 자동차용 연료에 벤젠, 톨루엔 등을 혼합한 가짜휘발유가 많이 유통되고 있다. 가짜휘발유는 벤젠, 톨루엔 등의 방향족물질을 혼합하거나 경유, 등유 등을 혼합하여 사용한다. 방향족 화합물이 많이 함유된 휘발유를 장기간 사용할 경우 차량의 고무부품을 팽윤시켜 연료의 누출 등에 따른 화재 발생의 가능성이 높으며, 톨루엔은 열함량이 작기 때문에 연소효율 저하로 연비를 악화시킨다. 또한 자동차 연료의 조성은 배출가스에도 많은 영향을 주는 것으로 알려져 있다. 본 연구에서는 이러한 가짜휘발유 사용에 따른 배출가스 영향을 정확히 파악하기 위해 휘발유 중 방향족 함량이 다른 세종류의 연료를 사용하여 배출가스 및 연비에 대한 영향을 조사하였다. (중략)

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