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In this work, the cryoscopic decrease effect, as a function of the NaCl concentration, on the carbon dioxide (CO$_2$) hydrate dissociation line conditions has been determined through molecular dynamic simulations. In particular, we have…

软凝聚态物质 · 物理学 2025-03-11 A. Borrero , A. Díaz-Acosta , S. Blazquez , I. M. Zerón , J. Algaba , M. M. Conde , F. J. Blas

We present SWAS detections of the ground-state 1(10)-1(01) transition of o-H2O at 557 GHz in 18 molecular outflows. These results are combined with ground-based observations of the J=1-0 transitions of 12CO and 13CO obtained at the FCRAO…

天体物理学 · 物理学 2009-11-13 J. Franklin , R. L. Snell , M. J. Kaufman , G. J. Melnick , D. A. Neufeld , D. J. Hollenbach , E. A. Bergin

We consider planar traveling fronts between stable steady states in two-component singularly perturbed reaction-diffusion-advection equations, where a small quantity $\delta^2$ represents the ratio of diffusion coefficients. The fronts…

偏微分方程分析 · 数学 2023-10-24 Paul Carter

An overlooked conservation law for near-inertial waves propagating in a steady background flow provides a new perspective on the concentration of these waves in regions of anticyclonic vorticity. The conservation law implies that this…

大气与海洋物理 · 物理学 2023-07-19 Eric Danioux , Jacques Vanneste , Oliver Bühler

Controlling the size of droplets, for example in biological cells, is challenging because large droplets typically outcompete smaller droplets due to surface tension. This coarsening is generally accelerated by hydrodynamic effects, but…

软凝聚态物质 · 物理学 2026-02-05 Stefan Köstler , Yicheng Qiang , Guido Kusters , David Zwicker

We investigate experimentally and theoretically diffusiophoretic separation of negatively charged particles in a rectangular channel flow, driven by CO2 dissolution from one side-wall. Since the negatively charged particles create an…

流体动力学 · 物理学 2021-06-01 Suin Shim , Mrudhula Baskaran , Ethan H. Thai , Howard A. Stone

The charge state of dielectric surfaces in aqueous environments is of fundamental and technological importance. Here, we study the influence of dissolved molecular CO$_2$ on the charging of three, chemically different surfaces (SiO$_2$,…

We study the turbulent flow of the density-stratified fluid around a small translating (either passively or self-propelled) particle. It was found recently [A. M. Ardekani and R. Stocker, Phys. Rev. Lett. vol. 105, 084502 (2010)] that…

流体动力学 · 物理学 2014-11-26 Itzhak Fouxon , Alexander Leshansky

An efficient compositional framework is developed for simulation of CO2 storage in saline aquifers during a full-cycle injection, migration and post-migration processes. Essential trapping mechanisms, including structural, dissolution, and…

流体动力学 · 物理学 2023-01-20 Yuhang Wang , Ziliang Zhang , Cornelis Vuik , Hadi Hajibeygi

Numerical simulations of geological CO2 storage in deep saline aquifers have demonstrated that vertical equilibrium (VE) models offer a robust and computationally efficient framework for reservoir optimization and upscaling. These studies…

地球物理 · 物理学 2025-08-26 Kofi Ohemeng Kyei Prempeh , Pavel Bedrikovetsky , Rouhi Farajzadeh

The structure of boundary currents formed from intermediately dense water introduced into a rotating, stably stratified, two-layer environment is investigated in a series of laboratory experiments, performed for Froude numbers ranging from…

流体动力学 · 物理学 2009-10-30 P. A. Yecko , S. P. Meacham

Analyzing a large data base of high-resolution three-dimensional direct numerical simulations of decaying rotating stratified flows, we show that anomalous mixing and dissipation, marked anisotropy, and strong intermittency are all observed…

流体动力学 · 物理学 2019-10-08 A. Pouquet , D. Rosenberg , R. Marino

In this paper, we address two main topics: steady propagation fields for positive streamers in air and streamer deceleration in fields below the steady propagation field. We generate constant-velocity positive streamers in air with an…

等离子体物理 · 物理学 2022-07-13 Xiaoran Li , Baohong Guo , Anbang Sun , Ute Ebert , Jannis Teunissen

Carbon, capture, and storage (CCS) is an important bridging technology to combat climate change in the transition towards net-zero. The FluidFlower concept has been developed to visualize and study CO$_2$ flow and storage mechanisms in…

This paper aims at an efficient strategy to solve drift-diffusion problems with non-linear boundary conditions as they appear, e.g., in heterogeneous catalysis. Since the non-linearity only involves the degrees of freedom along (a part of)…

数值分析 · 数学 2025-10-29 Sebastian Matera , Christian Merdon , Daniel Runge

We investigate the propagation of positive streamers in CO$_2$ through 3D particle-in-cell simulations, which are qualitatively compared against experimental results at 50 mbar. The experiments show that CO$_2$ streamers are much more…

等离子体物理 · 物理学 2024-10-22 Xiaoran Li , Siebe Dijcks , Anbang Sun , Sander Nijdam , Jannis Teunissen

The evolution of the interface separating a conduit of light, viscous fluid rising buoyantly through a heavy, more viscous, exterior fluid at small Reynolds numbers is governed by the interplay between nonlinearity and dispersion. Previous…

流体动力学 · 物理学 2015-06-16 Nicholas K. Lowman , Mark A. Hoefer

We present a computational study into the adsorption properties of CO$_2$ on amorphous and crystalline water surfaces under astrophysically relevant conditions. Water and carbon dioxide are two of the most dominant species in the icy…

星系天体物理 · 物理学 2017-09-13 L. J. Karssemeijer , G. A. de Wijs , H. M. Cuppen

Mineral dissolution in porous media is classically partitioned into static regimes within the Pe-Da plane, but this framework fails to capture the dissolution behavior of structurally complex rocks. Using three-dimensional micro-continuum…

流体动力学 · 物理学 2026-05-19 Jinlei Wang , Yongfei Yang , Martin J. Blunt , Branko Bijeljic

In an intermediate-momentum regime where mass effects are significant, heavy quark suppression and anisotropic flow are computed to investigate the transition between the collisional and radiative energy loss. Based on the collision kernel…

高能物理 - 唯象学 · 物理学 2025-04-23 Juhee Hong