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Study on the Density and Volume Change Property of Petroleum Products according to Temperature Variation

석유제품의 온도 변화에 따른 밀도 및 부피 변화 특성 연구

  • Hwang, In-ha (Research Institute of Petroleum Technology, Korea Petroleum Quality & Distribution Authority) ;
  • Doe, Jin-woo (Research Institute of Petroleum Technology, Korea Petroleum Quality & Distribution Authority) ;
  • Kang, Hyung-kyu (Research Institute of Petroleum Technology, Korea Petroleum Quality & Distribution Authority) ;
  • Sung, Sang-rae (Research Institute of Petroleum Technology, Korea Petroleum Quality & Distribution Authority) ;
  • Ha, Jong-han (Research Institute of Petroleum Technology, Korea Petroleum Quality & Distribution Authority) ;
  • Na, Byung-ki (Department of Chemical Engineering, Chungbuk National University)
  • 황인하 (한국석유관리원 석유기술연구소) ;
  • 도진우 (한국석유관리원 석유기술연구소) ;
  • 강형규 (한국석유관리원 석유기술연구소) ;
  • 성상래 (한국석유관리원 석유기술연구소) ;
  • 하종한 (한국석유관리원 석유기술연구소) ;
  • 나병기 (충북대학교 화학공학과)
  • Received : 2017.11.15
  • Accepted : 2017.12.14
  • Published : 2017.12.30

Abstract

Petroleum products are composed of various types of hydrocarbon compounds. Like other types of liquids, they presented the variation of density and volume according to temperature change. The method of measuring the density of petroleum products in a liquid phase is based on experimental data obtained mainly for each fractionally distilled petroleum product. In this study, the density and volume changes of kerosene and automotive diesel according to temperature change were measured and the property of change were analyzed. The conversion values were calculated using the density volume conversion table proposed by international standard ASTM. In addition, we analyzed the differences between the reference values and the measured values for the temperature changes specified in the domestic metering law.

석유제품은 다양한 형태의 탄화수소화합물로 구성되어진 화합물로, 다른 종류의 액체류와 마찬가지로 온도변화에 따른 밀도와 부피의 변화가 발생한다. 액상에서 석유제품의 밀도를 측정하는 방법은 분별 증류된 각 석유제품에 대해 주로 얻어진 실험 데이터를 기반으로 한다. 본 연구에서는 등유와 자동차용 경유의 온도변화에 따른 밀도와 부피변화를 실제 측정하여 온도변화에 따른 변화추이를 분석하고, 국제규격인 ASTM에서 제시하는 밀도부피 환산표를 이용한 환산값을 계산하고 두 값을 비교분석하였다. 또한, 국내 계량 관련법에서 규정하고 있는 온도변화에 대한 기준과 실측값과의 상호 비교를 통해 차이점을 분석하였다.

Keywords

References

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