화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Macromolecular Research, Vol.14, No.2, 220-229, April, 2006
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Equations of State for Hard-Sphere Chains: Effect of Attractive Contribution
Jae Jun Kim†
  • The College of Architecture, Department of Architectural Engineering, Hanyang University, Seoul 133-791, Korea
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Several equations of state for hard-sphere chains with various perturbation terms are reviewed. For eachmodel, three characteristic parameters are required to represent phase equilibria of normal fluids and obtained fromthermodynamic properties of pure saturated liquids. The models are then compared with computer simulation datato show the effect of attractive contribution forms employed. Calculated values of vapor-liquid equilibria (VLE) ofhydrocarbons that can be reproduced for each model are also compared with experimental results. An additionalparameter, ζKB, is required to represent the VLE of pure water, which is ascertained to have a strong influence on thetheoretical coexistence curve.
Keywords:equation of state;hard-sphere chain;attractive contribution
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