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Related papers: Vapor-liquid equilibrium predictions of n-alkane/n…

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For the design and optimization of CO2 recovery from alcoholic fermentation processes by distillation, models for vapor-liquid equilibria (VLE) are needed. Two such thermodynamic models, the Peng-Robinson equation of state (EOS) and a model…

Chemical Physics · Physics 2015-05-13 J. Vrabec , G. K. Kedia , U. Buchhauser , R. Meyer-Pittroff , H. Hasse

A set of molecular models for 78 pure substances from prior work is taken as a basis for systematically studying vapor-liquid equilibria (VLE) in ternary systems.All 33 ternary mixtures of these 78 components for which experimental VLE data…

Chemical Physics · Physics 2009-06-18 Y. -L. Huang , J. Vrabec , H. Hasse

Knowledge of the vapor-liquid equilibrium (VLE) properties of molten salts is important in the design of thermal energy storage systems for solar power and nuclear energy production applications. The high temperatures involved make their…

Statistical Mechanics · Physics 2024-06-19 Leann Tran , Jiri Skvara , William R. Smith

Liquid-liquid equilibrium (LLE) phase diagrams have been determined, by means of the critical opalescence method with a laser scattering technique, for the mixtures 4-phenylbutan-2-one + CH$_3$(CH$_2$)$_n$CH$_3$ ($n = 10,12,14$) and for…

Results of a systematic investigation of the vapour-liquid equilibria (VLE) of 30 individual two-centre Lennard-Jones plus pointquadrupole model fluids (2CLJQ) are reported over a range of reduced quadrupolar momentum $0 \le Q^{*2} \le 4$…

Chemical Physics · Physics 2009-04-24 J. Stoll , J. Vrabec , H. Hasse

A systematic investigation on vapor-liquid equilibria (VLE) of dipolar and quadrupolar fluids is carried out by molecular simulation to develop a new Helmholtz energy contribution for equations of state (EOS). Twelve two-center…

Chemical Physics · Physics 2009-04-30 Jadran Vrabec , J. Gross

Theoretical models for the liquid-vapor and metal-nonmetal transitions of alkali fluids are investigated. Mean-field models are considered first but shown to be inadequate. An alternate approach is then studied in which each statistical…

Condensed Matter · Physics 2009-10-28 E. Chacon , J. P. Hernandez , P. Tarazona

This work presents a novel framework for numerically simulating the depressurization of tanks and pipelines containing carbon dioxide (CO2). The framework focuses on efficient solution strategies for the coupled system of fluid flow…

The coexistence curves of liquid-liquid equilibrium (LLE) for the mixtures: phenylacetonitrile + heptane, + octane, + nonane, + cyclooctane, or + 2,2,4-trimethylpentane and for 3-phenylpropionitrile + heptane, or + octane are reported.…

A novel mathematical rigorous method to obtain the vapor-liquid equilibrium curves near the critical point has been proposed covering the cases of well-known and commonly used equations of state for real gases - Van der Waals and Dieterici,…

Statistical Mechanics · Physics 2015-11-03 Beata Staśkiewicz , Robert Stańczy

The solid-liquid equilibria and excess enthalpies of the binary systems of propiophenone and {N-methylformamide, or N,N-dimethylformamide, or N,N-dimethylacetamide, or N-methyl-2-pyrrolidone} were measured. The SLE datawere determined by…

Chemical Physics · Physics 2024-09-23 Patryk Sikorski , Ana Cobos , Juan Antonio González , Marek Królikowski , Tadeusz Hofman

Significant efforts have been committed to understanding the fundamental combustion chemistry of ammonia at high-pressure and low-temperature conditions with or without blending with other fuels, as these are promising to improve ammonia…

Chemical Physics · Physics 2024-10-03 Mingrui Wang , Ruoyue Tang , Xinrui Ren , Hongqing Wu , Yuxin Dong , Ting Zhang , Song Cheng

Vapour-liquid equilibria (VLE) and the influence of an inert carrier gas on homogeneous vapour to liquid nucleation are investigated by molecular simulation for quaternary mixtures of carbon dioxide, nitrogen, oxygen, and argon. Canonical…

Atmospheric and Oceanic Physics · Physics 2015-05-14 Martin Horsch , Zengyong Lin , Thorsten Windmann , Hans Hasse , Jadran Vrabec

The vapor-liquid equilibrium (VLE) of the Mie potential, where the dispersive exponent is constant (m = 6) while the repulsive exponent n is varied between 9 and 48, is systematically investigated by molecular simulation. For systems with…

Soft Condensed Matter · Physics 2016-11-24 Stephan Werth , Katrin Stöbener , Martin Horsch , Hans Hasse

Accurately measuring liquid dynamic viscosity across a wide range of shear rates, from the linear-response to shear-thinning regimes, presents significant experimental challenges due to limitations in resolving high shear rates and…

Materials Science · Physics 2025-03-26 Hongyu Gao , Minghe Zhu , Jia Ma , Marc Honecker , Kexian Li

The coexistence curves of the liquid-liquid equilibria (LLE) for systems of 2-phenoxyethanol (2PhEE) with heptane, octane, cyclohexane, methylcyclohexane or ethylcyclohexane have been determined by the method of the critical opalescence…

A major challenge for molecular modeling consists in optimizing the unlike interaction potentials. In many cases, combination rules are generally suboptimal when accurate predictions of properties like the mixture vapor pressure are needed.…

Computational Physics · Physics 2010-01-13 Martin Horsch , Martina Heitzig , Thorsten Merker , Thorsten Schnabel , Yow-Lin Huang , Hans Hasse , Jadran Vrabec

A Bayesian calibration, using experimental data from 2.76 $A$ TeV Pb-Pb collisions at the LHC, of a novel hybrid model is presented in which the usual pre-hydrodynamic and viscous relativistic fluid dynamic (vRFD) stages are replaced by a…

Nuclear Theory · Physics 2023-11-30 Ulrich Heinz , Dananjaya Liyanage , Cullen Gantenberg

Shear and bulk viscosity and thermal conductivity for argon, krypton, xenon, and methane and the binary mixtures argon+krypton and argon+methane were determined by equilibrium molecular dynamics with the Green-Kubo method. The fluids were…

Chemical Physics · Physics 2009-06-10 G. A. Fernandez , J. Vrabec , H. Hasse

TThis works proposes modifications to the values of input parameters in widely accepted semi-analytical models of thermodynamic properties of hydrogen and its binary mixtures to improve their prediction accuracy. The modifications include…

Applied Physics · Physics 2024-10-01 Ehsan Heidaryan , Saman A. Aryana
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