Since its publication in 1976, the Peng & Robinson equation of state (PR EoS) has become one of the most useful and successfully applied models for thermodynamic and volumetric …
This study highlights that α-functions used in cubic equations of state must be of class C 2 ie that their first (d α/d T) and second (d 2 α/d T 2) derivatives must exist and must be …
In this paper, translated and consistent versions of the Peng-Robinson (tc-PR) and Redlich- Kwong (tc-RK) cubic equations of state (CEoS) are developed. The adjective consistent …
Since the pioneering work of Professor André Péneloux, volume translations are often applied to cubic equations of state with the aim of improving the description of volumetric …
The van der Waals (vdW) equation of state has long fascinated researchers and engineers, largely because of its simplicity and engineering flexibility. At the same time as vdW and …
In spite of the increasing levels of greenhouse gases in the atmosphere, and their impact on the environment, the demand for natural/biogas will increase significantly in the coming few …
More than 40 years after their publication, updated versions of the generalized Soave α- function (α (T r, ω)=[1+ m (ω)(1− T r 0.5)] 2) suitable for the Redlich-Kwong (RK) and Peng …
The deployment of more efficient and economical extraction methods and processing facilities of oil and gas requires the accurate knowledge of the interfacial tension (IFT) of fluid …
Abstract Since Van der Waals, the attractive term a (T) of any cubic equation of state is expressed as the product of its value at the critical temperature (ac) by the so-called alpha …