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Many key environmental, industrial, and energy processes rely on controlling fluid transport within subsurface porous media. These media are typically structurally heterogeneous, often with vertically-layered strata of distinct…

流体动力学 · 物理学 2022-07-13 Christopher A. Browne , Richard B. Huang , Callie W. Zheng , Sujit S. Datta

Recent experiments and simulations have demonstrated that particle-covered interfaces can exist in stable non-spherical shapes as a result of the steric jamming of the interfacially trapped particles, which confers the interface with…

软凝聚态物质 · 物理学 2010-11-23 Anand Bala Subramaniam , Manouk Abkarian , L. Mahadevan , Howard A. Stone

Polymer brush layers are responsive materials that swell in contact with good solvents and their vapors. We deposit drops of an almost completely wetting volatile oil onto an oleophilic polymer brush layer and follow the response of the…

软凝聚态物质 · 物理学 2023-08-11 Özlem Kap , Simon Hartmann , Harmen Hoek , Sissi de Beer , Igor Siretanu , Uwe Thiele , Frieder Mugele

Colloidal particles dispersed in liquid crystals can form new materials with tunable elastic and electro-optic properties. In a periodic `blue phase' host, particles should template into colloidal crystals with potential uses in photonics,…

软凝聚态物质 · 物理学 2015-04-21 K. Stratford , O. Henrich , J. S. Lintuvuori , M. E. Cates , D. Marenduzzo

We have studied the pearling instability induced on hollow tubular lipid vesicles by hydrophilic polymers with hydrophobic side groups along the backbone. The results show that the polymer concentration is coupled to local membrane…

Two-dimensional fullerene networks have been synthesized in several forms [Hou et al., Nature 606, 507 (2022)], and it is unknown which monolayer form is stable at ambient condition. Using first principles calculations, I show that the…

材料科学 · 物理学 2023-10-27 Bo Peng

We study the phase behaviour of a binary mixture of colloidal hard spheres and freely-jointed chains of beads using Monte Carlo simulations. Recently Panagiotopoulos and coworkers predicted [Nat. Commun. 5, 4472 (2014)] that the hexagonal…

软凝聚态物质 · 物理学 2016-08-24 John R Edison , Tonnishtha Dasgupta , Marjolein Dijkstra

Amorphous materials of homogeneous structures usually suffer from nonuniform deformation under shear, which can develop into shear localization and eventually destructive shear band. One approach to tackle this issue is to introduce an…

材料科学 · 物理学 2019-02-01 Guo-Jie J. Gao , Yun-Jiang Wang , Shigenobu Ogata

We investigated the formation of cocontinuous structures in polymer blends. These polymeric bijels (bicontinuous interfacially jammed emulsion gels) were composed of polystyrene oligomer, polybutene and fluorescent hydrophobic silica…

软凝聚态物质 · 物理学 2015-02-03 Lian Bai , John Fruehwirth , Xiang Cheng , Christopher W. Macosko

We investigate the influence of surfactants on stabilizing the formation of interfaces in non-local anisotropic two-phase fluid at equilibrium. The analysis focuses on singularly perturbed non-local van der Waals-Cahn-Hillard-type energies,…

偏微分方程分析 · 数学 2025-07-18 Marco Cicalese , Tim Heilmann

Colloidosomes provide a possibility to encapsulate oily substances in water in the form of core-in-shell structures. In this study, we produced microcapsules with shell from colloidal particles, where the interparticle openings are blocked…

We study the effect of diluted flexible polymers on a disordered capillary wave state. The waves are generated at an interface of a dyed water sugar solution and a low viscous silicon oil. This allows for a quantitative measurement of the…

流体动力学 · 物理学 2009-11-11 A. V. Kityk , C. Wagner

We study the linear stability with respect to lateral perturbations of free surface films of polymer mixtures on solid substrates. The study focuses on the stability properties of the stratified and homogeneous steady film states studied in…

流体动力学 · 物理学 2010-10-15 Santiago Madruga , Uwe Thiele

Insoluble surfactant monolayers at the air/water interface undergo a phase transition from a high-temperature homogeneous state to a low-temperature demixed state, where dilute and dense phases coexist. Alternatively, the transition from a…

软凝聚态物质 · 物理学 2007-05-23 X. Chatellier , D. Andelman

Particles added to a fluid interface can be used as a surface stabilizer in the food, oil and cosmetic industries. As an alternative to rigid particles, it is promising to consider highly deformable particles that can adapt their…

软凝聚态物质 · 物理学 2016-10-27 Hadi Mehrabian , Jens Harting , Jacco H. Snoeijer

We present the most extensive direct numerical simulations, attempted so far, of statistically steady, homogeneous, isotropic turbulence in two-dimensional fluid films with air-drag-induced friction and with polymer additives. Our study…

流体动力学 · 物理学 2016-11-16 Anupam Gupta , Prasad Perlekar , Rahul Pandit

We study the conformation of a heterogeneous surfactant monolayer at a fluid-fluid interface, near a boundary between two lateral regions of differing elastic properties. The monolayer attains a conformation of shallow, steep `mesas' with a…

软凝聚态物质 · 物理学 2007-05-23 H. Diamant , T. A. Witten , A. Gopal , K. Y. C. Lee

Surface-induced liquid crystalline phase transitions evoke fundamental interest and can provide deeper insight into the nature of low-dimensional phase transitions. Board-like conjugated polymers are particularly interesting because they…

软凝聚态物质 · 物理学 2025-10-27 Anton Sinner , Alexander J. Much , Oleksandr Dolynchuk

We present a generalized theory for studying phase separation in blends of polymers containing dipoles on their backbone. The theory is used to construct co-existence curves and to study the effects of dipolar interactions on interfacial…

软凝聚态物质 · 物理学 2014-11-04 Rajeev Kumar , Bobby G. Sumpter , M. Muthukumar

We consider a carpet of self-propelled particles at the liquid-gas interface of a liquid film on a solid substrate. The particles excert an excess pressure on the interface and also move along the interface while the swimming direction…

软凝聚态物质 · 物理学 2015-06-22 Andrey Pototsky , Uwe Thiele , Holger Stark