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Modified Redlich-Kwong equation of state for supercritical carbon dioxide
Heidaryan, E ; Sharif University of Technology | 2013
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- Type of Document: Article
- DOI: 10.1016/j.supflu.2013.05.009
- Publisher: 2013
- Abstract:
- A new simple and explicit reduced temperature and reduced pressure function has been proposed in the present study for modifying Redlich-Kwong equation of state (EoS) to calculate the density of carbon dioxide in the supercritical region. The average absolute error of the model was found to be 1.63 and 2.07% in the comparison with the literature and NIST density data respectively, which demonstrates superiority of the model over other EoSs
- Keywords:
- Density ; Average absolute error ; Density data ; Redlich-kwong equation of state ; Reduced pressure ; Super-critical regions ; Supercritical carbon dioxides ; Carbon dioxide ; Density (specific gravity) ; Equations of state ; Supercritical fluid extraction
- Source: Journal of Supercritical Fluids ; Volume 81 , September , 2013 , Pages 92-98 ; 08968446 (ISSN)
- URL: http://www.sciencedirect.com/science/article/pii/S0896844613001836