Results 21 to 30 of about 1,633 (182)

Second Virial Coefficients for Dimethyl Ether [PDF]

open access: yesJournal of Chemical & Engineering Data, 2009
Dimethyl ether (DME) is a clean and economical alternative fuel. In addition, it is also an ozone-friendly refrigerant. Burnett measurements were carried out at temperatures from (344 to 393) K and at pressures from (0.055 to 4.015) MPa. A total of 138 experimental points, taken along 15 isotherms and 12 different temperatures, were obtained.
Arteconi, A.   +3 more
openaire   +1 more source

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

An EOS for the Lennard-Jones fluid: A virial expansion approach

open access: yesAIP Advances, 2019
A large number (>30 000) of Monte Carlo simulations in range of 0.002–1.41 ρ* and T* ≤ 25 (* for reduced, dimensionless) was performed, producing a dense grid of state points for the internal energy U* and pressure p*.
Matthias Gottschalk
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

THE FOURTH VIRIAL COEFFICIENT OF ANYONS [PDF]

open access: yesInternational Journal of Modern Physics A, 1998
We have computed by a Monte Carlo method the fourth virial coefficient of free anyons, as a function of the statistics angle θ. It can be fitted by a four term Fourier series, in which two coefficients are fixed by the known perturbative results at the boson and fermion points.
Kristoffersen, Anders   +3 more
openaire   +2 more sources

DEFORMED GAS OF p, q-BOSONS: VIRIAL EXPANSION AND VIRIAL COEFFICIENTS [PDF]

open access: yesModern Physics Letters B, 2012
In the study of many-particle systems both the interaction of particles can be essential and such feature as their internal (composite) structure. To describe these aspects, the theory of deformed oscillators is very efficient. Viewing the particles as p, q-deformed bosons, in the corresponding p, q-Bose gas model we obtain in explicit form virial ...
Gavrilik, A. M., Rebesh, A. P.
openaire   +3 more sources

On extrapolation of virial coefficients of hard spheres

open access: yesCondensed Matter Physics, 2012
Several methods of extrapolating the virial coefficients, including those proposed in this work, are discussed. The methods are demonstrated on predicting higher virial coefficients of one-component hard spheres.
M. Ončák   +3 more
doaj   +1 more source

Second Virial Coefficients for Nonspherical Molecules and Their Experimental Measurements [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 1991
The virial coefficients can be obtained from statistical mechanics in connection with the intermolecular potentials. The intermolecular potential of polyatomic molecules is usually assumed to consist of a spherically symmetric component plus a ...
A. Boushehri, S.H. Moosavipour
doaj  

Virial coefficients expressed by heat kernel coefficients [PDF]

open access: yesPhysics Letters A, 2018
15 pages, 0 ...
Xia-Qing Xu, Mi Xie
openaire   +2 more sources

mploying Virial Coefficients for Optimal Solutions in Variational Calculations

open access: yesCumhuriyet Science Journal
In this study, virial coefficients for one and two-electron hydrogen and helium-like quantum dot structures confined in an infinite potential well were calculated.
Mahmut Özgür Sezer
doaj   +1 more source

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