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Related papers: Methanol-water solutions: a bi-percolating liquid …

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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

We measure the flow of water through mixed packings of glass spheres and soft swellable hydrogel grains, at constant sample volume. Permeability values are obtained at constant sample volume and at porosities smaller than random close…

Soft Condensed Matter · Physics 2011-03-23 Emilie Verneuil , Douglas J. Durian

We consider a situation commonly encountered in microfluidics: two streams of miscible liquids are brought at a junction to flow side by side within a microchannel, allowing solutes to diffuse from one stream to the other and possibly…

Soft Condensed Matter · Physics 2007-05-23 Jean-Baptiste Salmon , Armand Ajdari

The methanol molecule CH3OH has a complex microwave spectrum with a large number of very strong lines. This spectrum includes purely rotational transitions as well as transitions with contributions of the internal degree of freedom…

Cosmology and Nongalactic Astrophysics · Physics 2013-06-12 S. A. Levshakov , M. G. Kozlov , D. Reimers

The anomalous properties of water in the supercooled state are numerous and well-known. Particularly striking are the strong changes in dynamic properties that appear to display divergences at temperatures close to -- but beyond -- the…

Statistical Mechanics · Physics 2007-05-23 Francis W. Starr , Srikanth Sastry , Francesco Sciortino , H. E. Stanley

The dynamics of a physical gel, namely the Low Molecular Mass Organic Gelator {\textit Methyl-4,6-O-benzylidene-$\alpha$ -D-mannopyranoside ($\alpha$-manno)} in water and toluene are probed by neutron scattering. Using high gelator…

Soft Condensed Matter · Physics 2015-02-06 Sylvie Spagnoli , Isabelle Morfin , Miguel A. Gonzalez , Pierre Carcabal , Marie Plazanet

The aim of the paper is the study of fluid mixtures in nanotubes by the methods of continuum mechanics. The model starts from a statistical distribution in mean-field molecular theory and uses a density expansion of Taylor series. We get a…

Fluid Dynamics · Physics 2018-08-01 Henri Gouin , Augusto Muracchini , Tommaso Ruggeri

We modeled the change in the temperature of maximum density (TMD) of a water-like solvent when small amounts of solute are added to the mixture. The solvent is modeled as a two length scales potential, which is known to exhibit water-like…

Soft Condensed Matter · Physics 2023-03-08 Marco A. Habitzreuter , Marcia C. Barbosa

Aqueous solutions of LiCl are probably the most studied electrolyte solutions related to the complexity of liquid water at low temperatures. Despite the large amount of available experimental data hardly any computational studies were…

Soft Condensed Matter · Physics 2020-04-29 Philip H. Handle

Binary fluid mixtures are examples of complex fluids whose microstructure and flow are strongly coupled. For pairs of simple fluids, the microstructure consists of droplets or bicontinuous demixed domains and the physics is controlled by…

Soft Condensed Matter · Physics 2018-06-05 Michael E. Cates , Elsen Tjhung

The paper is dedicated to the mechanics of the methane bubbles in the gas hydrate stability zone of the basin. Transformation of deep-water methane bubbles into solid hydrate was investigated in Lake Baikal in situ. Released from the bottom…

Fluid Dynamics · Physics 2013-06-25 Alexander V. Egorov , Robert I. Nigmatulin , Aleksey N. Rozhkov

The alkali metal ions in aqueous electrolyte solutions have strong influence on the surrounding network structure of water formed through hydrogen bonds. The extent of ionic perturbation to the structure of water depends on the nature of…

Soft Condensed Matter · Physics 2019-09-24 Sudakshina Roy , Barnana Pal

Second-harmonic scattering experiments of water and other bulk molecular liquids have long been assumed to be insensitive to interactions between the molecules. The measured intensity is generally thought to arise from incoherent scattering…

Soft Condensed Matter · Physics 2017-08-28 Gabriele Tocci , Chungwen Liang , David M. Wilkins , Sylvie Roke , Michele Ceriotti

Methanol is an important tracer to probe physical and chemical conditions in the interstellar medium of galaxies. Methanol is also the most sensitive target molecule for probing potential space-time variations of the proton-electron mass…

Astrophysics of Galaxies · Physics 2021-08-04 S. Muller , W. Ubachs , K. M. Menten , C. Henkel , N. Kanekar

We delineate and examine the distinct breakup modes of evaporating water-in-oil emulsion droplets under acoustic levitation. The emulsion droplets consist of decane/dodecane/tetradecane as oil, while the water concentration is varied from…

Fluid Dynamics · Physics 2020-02-21 D Chaitanya Kumar Rao , Saptarshi Basu

Water is an unique material with a long list of thermodynamic, dynamic and structural anomalies, which are usually attributed to the competition between two characteristic length scales in the intermolecular interaction. It has been argued…

Statistical Mechanics · Physics 2021-06-25 Murilo S. Marques , Vinicius Fonseca Hernandes , Enrique Lomba , J. Rafael Bordin

We present the results of an interferometric study of 38 millimeter-wave lines of CH3OH in the region around the water maser source W3(H2O) and a region extending about 30" to the south and west of the hydroxyl maser source W3(OH). The…

We report relaxation dynamics of glycerol-water mixtures as probed by megahertz-to-terahertz dielectric spectroscopy in a frequency range from 50 MHz to 0.5 THz at room temperature. The dielectric relaxation spectra reveal several…

Chemical Physics · Physics 2019-09-04 Ali Charkhesht , Djamila Lou , Ben Sindle , Chengyuan Wen , Shengfeng Cheng , Nguyen Q. Vinh

We study the formation of water and methanol in the dense cloud conditions to find the dependence of its production rate on the binding energies, reaction mechanisms, temperatures, and grain site number. We wish to find the effective grain…

Astrophysics · Physics 2009-11-13 Ankan Das , Kinsuk Acharyya , Sonali Chakrabarti , Sandip Kumar Chakrabarti

In equilibrium and supercooled liquids, polymorphism is manifested by thermodynamic regions defined in the phase diagram, which are predominantly of different short- and medium-range order (local structure). It is found that on the phase…

Soft Condensed Matter · Physics 2024-03-19 Anatolii V. Mokshin , Roman V. Vlasov