An accurate equation of state for carbon dioxide.

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概要

• 論文の詳細を見る

• An equation of state for carbon dioxide is developed here that yields high accuracy in P-V-T calculations over wide ranges of temperatures (216-423 K) and pressures (to 310.3 MPa). It is particularly accurate around the critical region due to the use of "nonanalytical" terms to model the critical isotherm. Thus it is suited to applications in supercritical states. The density calculation is reliable to within 0.1-0.2 % outside the critical region, and to within 1% near the critical point. The equation has also been tested for vapor pressure and enthalpy calculations (with deviations less than 0.06 %, and 2-5 J/g, respectively). Comparison with a number of existing equations of state shows that the present equation is more dependable.

• 公益社団法人 化学工学会の論文

著者

• HUANG FENG-HSIN

  School of Chemical Engineering and Materials Science, University of Oklahoma

• Lee Lloyd

  School of Chemical Engineering and Materials Science, The University of Oklahoma

• LI MENG-HUI

  School of Chemical Engineering and Materials Science, University of Oklahoma

• STARLING KENNETH

  School of Chemical Engineering and Materials Science, University of Oklahoma

• CHUNG FRANK

  National Institute of Petroleum and Energy Research

関連論文

• The BBGKY equation in the interaction site model for polyatomic molecular fluids.
• An accurate equation of state for carbon dioxide.

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