Results 1 to 10 of about 19,126 (193)

Modeling of Some Thermodynamic Properties of UF6 at Low Pressure Using Correlation Function [PDF]

open access: yesJournal of Nuclear Research and Applications, 2021
The properties of uranium hexafluoride (UF6) are of importance to the nuclear industry as a precursor for the enrichment. Therefore it is of importance to obtain the most accurate properties for such a strategic compound.
Mohsen Najafi
doaj   +1 more source

On the Calculation of the Virial Coefficients and Low-Pressure Joule-Thomson Effect for Refrigerant Fluids Using Two Equation of State Models [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2022
In this study, we calculate virial coefficients and the Joule-Thomson effect at low pressure for refrigerant fluids in order to evaluate the performance of two models of Equations of State (EOS). The studied refrigerants are R123, R124, R143a, and R152a.
Mohsen Najafi   +1 more
doaj   +1 more source

Calculation of the Virial and Fugacity Coefficients of Heavy Water Using New Generalized Equation of State [PDF]

open access: yesمجله علوم و فنون هسته‌ای, 2022
By replacing hydrogen with deuterium in water molecules, the energy level of molecular bonds changes which cause different physical, chemical, nuclear, and biological properties.
M. Najafi, F. Jamali
doaj   +1 more source

Evidence of Many-Body Interactions in the Virial Coefficients of Polyelectrolyte Gels

open access: yesGels, 2022
Simulation studies of aqueous polymer solutions, and heuristic arguments by De Gennes for aqueous polyethylene oxide polymer solutions, have suggested that many-body interactions can give rise to the ‘anomalous’ situation in which the second osmotic ...
Ferenc Horkay, Jack F. Douglas
doaj   +1 more source

SECOND VIRIAL COEFFICIENT FOR NONCOMMUTATIVE SPACE [PDF]

open access: yesModern Physics Letters A, 2003
The second virial coefficient [Formula: see text] for non-interacting particles moving in a two-dimensional noncommutative space and in the presence of a uniform magnetic field B is presented. The noncommutativity parameter θ can be chosen such that the [Formula: see text] can be interpreted as the second virial coefficient for anyons of statistics α ...
Jellal, Ahmed, Geyer, Hendrik B.
openaire   +2 more sources

Second virial coefficient [PDF]

open access: yesThe Physics of Fluids, 2007
The second virial coefficient is calculated by a new method which exploits certain results known from formal scattering theory. In particular it is shown that the essential quantity may be expressed as the determinant of the S matrix at a given energy. The present approach suggests several approximation techniques and also seems applicable to many-body
openaire   +3 more sources

On Using the BMCSL Equation of State to Renormalize the Onsager Theory Approach to Modeling Hard Prolate Spheroidal Liquid Crystal Mixtures

open access: yesEntropy, 2021
Modifications to the traditional Onsager theory for modeling isotropic–nematic phase transitions in hard prolate spheroidal systems are presented. Pure component systems are used to identify the need to update the Lee–Parsons resummation term.
Donya Ohadi   +2 more
doaj   +1 more source

Determination of the Second Virial Coefficient for Binary Mixtures of Ar with CH4 and CO using Van der Waals and Dieterici Models [PDF]

open access: yesJournal of Sciences, Islamic Republic of Iran, 2019
In this paper, we calculate the second virial coefficient for binary mixtures of Ar with CH4 and CO in order to evaluate the performance of equations of state (EOSs).
Mohsen Najafi, Elham Marzbanpour
doaj   +1 more source

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