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Journal of Korean Institute of Fire Science and Engineering 2002;16(2):51-58.
Published online June 30, 2002.
Halon-1301과 $CO_2$의 물성에 관한 실험식
노경호송명석한순구김재덕이윤우
1초정밀분리기술센터, 인하대학교 화학공학과2초정밀분리기술센터, 인하대학교 화학공학과3초정밀분리기술센터, 인하대학교 화학공학과4한국과학기술연구원, 국가지정 초임계유체연구실5한국과학기술연구원, 국가지정 초임계유체연구실
Empirical Equations for Physical Properties of Halon-1301 and $CO_2$
요약
몬트리올 의정서에 의해서 규제받는 Halon-1301과 대체 물질중의 하나인 $CO_2$의 물성(밀도, 점도, 엔탈피)의 실험식을 구하였다. 문헌에서 얻은 실험값을 이용하여 온도에 대한 회귀분석에 의해서 실험식을 얻었다. 압축인자를 이용하여 온도에 대한 2차 함수로서 밀도에 관한 실험식을 제안하였다. 점도는 온도에 대한 지수함수로 표시되며, 보정인자를 사용하여 사용 온도범위를 확장하였다. 엔탈피는 열용량과 마찬가지로 온도에 대한 2차 함수로 정의하여 나타내었다. 본 연구에서 제안된 위의 실험식의 상관계수는 0.99 이상이었다.
Abstract
For Halon-1301 regulated by Montreal Protocol and $CO_2$as its alternatives, the empirical equations of density, viscosity, and enthalpy were correlated in terms of temperature. They were obtained by regression analysis from the experimental data in the literature. The empirical equation of density was expressed as compressibility factor by the second- order function of temperature. The empirical equation of viscosity was formulated as a power function, and a correction factor was considered to cover the wider range of temperature. Finally, heat capacity as well as enthalpy were well fitted by empirical form of the second-order temperature. The correlation coefficients of the empirical equations in this work were more than 0.99.
Key Words: Halon-1301, Carbon dioxide, Physical property, Density, Viscosity, Enthalpy, Empirical equation


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