Scientific journal NRU ITMO
Series "Processes and Food Production Equipment"
Registration certificate ЭЛ № ФС 77 – 55245 от 04.09.2013
зарегистрировано в Федеральной службе по надзору в сфере связи, информационных технологий и массовых коммуникаций
ISSN:2310-1164

september 2017 (published: 29.09.2017)

Number 3(33)

Home > Issue > Features of calculation of thermodynamic characteristics of the supercritical fluids used in scf-technologies

UDC 536.71

Features of calculation of thermodynamic characteristics of the supercritical fluids used in scf-technologies

Rykov S.V. , Kudryavtseva I.V. , Rykov V.A.

The physical substantiation is given the new equation of state used for calculation of equilibrium characteristics of supercritical fluids. Feature of the given method is, first, possibility to use it in all working area, including area of strongly developed fluctuations of density, secondly, simplicity of the settlement scheme. Last circumstance is caused by that the equation of a condition underlying the settlement scheme, unlike the known equations of a condition satisfying to a scale hypothesis, does not contain nonlinear individual parametres.
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Keywords: supercritical fluids, carbon dioxide, equation of state, crossover function, isochoric heat capacity.

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