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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…

化学物理 · 物理学 2015-05-13 J. Vrabec , G. K. Kedia , U. Buchhauser , R. Meyer-Pittroff , H. Hasse

Monte Carlo simulations are presented for a coarse-grained model of real quadrupolar fluids. Molecules are represented by particles interacting with Lennard-Jones forces plus the thermally averaged quadrupole-quadrupole interaction. The…

This work presents transport coefficients of electrons (bulk drift velocity, longitudinal diffusion coefficient, and effective ionization frequency) in CO2 measured under time-of-flight conditions over a wide range of the reduced electric…

等离子体物理 · 物理学 2017-05-24 M. Vass , I. Korolov , D. Loffhagen , N. Pinhao , Z. Donko

The 2.45 GHz plasma torch CO$_2\to$ CO + $\frac12$O$_2$ conversion experiment [F A D"Isa et al. Plasma Sources Sci. Technol., vol. 29 (2020) 105009] has been compared with thermo-chemical calculations. The 1.5D model of the…

等离子体物理 · 物理学 2023-12-15 Vladislav Kotov , Christian Kiefer , Ante Hecimovic

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…

流体动力学 · 物理学 2024-08-23 Pardeep Kumar , Benjamin Sanderse , Patricio I. Rosen Esquivel , R. A. W. M. Henkes

Molecular modelling and simulation of the surface tension of fluids with force fields is discussed. 29 real fluids are studied, including nitrogen, oxygen, carbon dioxide, carbon monoxide, fluorine, chlorine, bromine, iodine, ethane,…

计算物理 · 物理学 2014-08-22 Stephan Werth , Katrin Stöbener , Peter Klein , Karl-Heinz Küfer , Martin Horsch , Hans Hasse

Much effort has been put into developing theories for dense fluids, as a result of these efforts many theories work for a certain type of particle or in a certain concentration regime. Rosenfeld proposed a dependence of the self-diffusion…

统计力学 · 物理学 2023-12-22 Melina Sampayo Puelles , Miguel Hoyuelos

The limited availability of accurate experimental data in wide ranges of pressure, temperature, and composition is the main constraining factor for the proper development and assessment of thermodynamic models and equations of state. In the…

Biphasic interfaces are complex but fascinating regimes that display a number of properties distinct from those of the bulk. The CO$_2$-H$_2$O interface, in particular, has been the subject of a number of studies on account of its…

材料科学 · 物理学 2025-02-13 Samuel G. H. Brookes , Venkat Kapil , Christoph Schran , Angelos Michaelides

We experimentally verify hitherto untested theoretical predictions about the thermoelectric properties of Kondo correlated quantum dots (QDs). The specific conditions required for this study are obtained by using QDs epitaxially grown in…

介观与纳米尺度物理 · 物理学 2018-11-21 Artis Svilans , Martin Josefsson , Adam M. Burke , Sofia Fahlvik , Claes Thelander , Heiner Linke , Martin Leijnse

The interplay of slow dynamics and thermodynamic features of dense liquids is studied by examinining how the glass transition changes depending on the presence or absence of Lennard-Jones-like attractions. Quite different thermodynamic…

材料科学 · 物理学 2009-11-13 Th. Voigtmann

Solid-state nanofoaming experiments are conducted on two PMMA grades of markedly different molecular weight using CO$_2$ as the blowing agent. The sensitivity of porosity to foaming time and foaming temperature is measured. Also, the…

The Lorentz covariant statistical physics and thermodynamics is formulated within the preferred frame approach. The transformation laws for geometrical and mechanical quantities such as volume and pressure as well as the Lorentz-invariant…

统计力学 · 物理学 2007-05-23 J. Rembielinski , K. A. Smolinski , G. Duniec

Experimentally determining thermophysical properties for various compositions commonly found in CO2 transportation systems is extremely challenging. To overcome this challenge, we performed Monte Carlo (MC) and molecular dynamics (MD)…

化学物理 · 物理学 2025-05-29 Darshan Raju , Mahinder Ramdin , Thijs J. H. Vlugt

The model of NH$_3$CH$_2$COOH$\cdot$H$_2$PO$_3$, modified by taking into account the piezoelectric coupling between the ordering structure elements and the strains $\varepsilon_i$, $\varepsilon_j$, is used for investigation of the effects…

材料科学 · 物理学 2017-12-15 I. R. Zachek , R. R. Levitskii , A. S. Vdovych

A model of the collisional kinetics of energetic hydrogen atoms, molecules, and ions in pure H$_2$ discharges is used to predict H$_\alpha$ emission profiles and spatial distributions of emission from the cathode regions of low-pressure,…

等离子体物理 · 物理学 2015-05-20 A. V. Phelps

Supercooled liquids are characterized by relaxation times that increase dramatically by cooling or compression. Many liquids have been shown to obey power-law density scaling, according to which the relaxation time is a function of density…

软凝聚态物质 · 物理学 2012-12-19 Lasse Bøhling , Trond S. Ingebrigtsen , A. Grzybowski , M. Paluch , Jeppe C. Dyre , Thomas B. Schrøder

A parameterization strategy for molecular models on the basis of force fields is proposed, which allows a rapid development of models for small molecules by using results from quantum mechanical (QM) ab initio calculations and thermodynamic…

化学物理 · 物理学 2009-04-22 Bernhard Eckl , Jadran Vrabec , Hans Hasse

A novel mechanical approach is developed to explore by means of atom-scale simulation the concept of line tension at a solid-liquid-vapor contact line as well as its dependence on temperature, confinement, and solid/fluid interactions. More…

介观与纳米尺度物理 · 物理学 2020-03-18 Romain Bey , Benoit Coasne , Cyril Picard

Dissipative particle dynamics (DPD) is a well-established mesoscale simulation method. However, there have been long-standing ambiguities regarding the dependence of its (purely repulsive) force field parameter on temperature as well as the…

化学物理 · 物理学 2019-02-25 Peter Vanya , Jonathan Sharman , James A. Elliott
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