نتایج جستجو برای: dense fluid

تعداد نتایج: 283356  

Journal: :Fluids 2023

We have developed and tested a numerical model for turbulence resolving simulations of dense mud–water mixtures in oscillatory bottom boundary layers, based on low Stokes number formulation the two-phase equations. The resulting non-Boussinesq equation fluid momentum is coupled to transport mud volumetric concentration, giving rise volume-averaged velocity that non-solenoidal, was implemented a...

Journal: :Journal of cell science 1997
N A Bright B J Reaves B M Mullock J P Luzio

Electron microscopy was used to evaluate the function and formation of dense core lysosomes. Lysosomes were preloaded with bovine serum albumin (BSA)-gold conjugates by fluid phase endocytosis using a pulse-chase protocol. The gold particles present in dense core lysosomes and late endosomes were flocculated, consistent with proteolytic degradation of the BSA. A second pulse of BSA-gold also ac...

Journal: :novelty in biomedicine 0
zahra arab-mazar department of parasitology and mycology, international branch of shahid beheshti university of medical sciences, tehran, iran seyed javad seyyed-tabaei department of parasitology and mycology, shahid beheshti university of medical sciences, tehran, iran hadi mirahmadi department of parasitology and mycology, shahid beheshti university of medical sciences, tehran, iran

background: serological assay based on dense granular (gra) proteins of toxoplasma gondii (t. gondii) is actually the most popular laboratory diagnostic tool to detection of toxoplasmosis. we aimed to construct a recombinant gra7-ptz57rt plasmid vectors that it is suitable for sub-cloning and gra7 protein production. m aterials and methods: souris mice were used for maintaining of t. gondii tac...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2012
Hiizu Nakanishi Shin-ichiro Nagahiro Namiko Mitarai

A dense mixture of granules and liquid often shows a severe shear thickening and is called a dilatant fluid. We construct a fluid dynamics model for the dilatant fluid by introducing a phenomenological state variable for a local state of dispersed particles. With simple assumptions for an equation of the state variable, we demonstrate that the model can describe basic features of the dilatant f...

2018
Pascal Audet Andrew J Schaeffer

At subduction zones, the deep seismogenic transition from a frictionally locked to steady sliding interface is thought to primarily reflect changes in rheology and fluid pressure and is generally located offshore. The development of fluid pressures within a seismic low-velocity layer (LVL) remains poorly constrained due to the scarcity of dense, continuous onshore-offshore broadband seismic arr...

Journal: :Physical review. E 2017
L Amarsid J-Y Delenne P Mutabaruka Y Monerie F Perales F Radjai

By means of extensive coupled molecular dynamics-lattice Boltzmann simulations, accounting for grain dynamics and subparticle resolution of the fluid phase, we analyze steady inertial granular flows sheared by a viscous fluid. We show that, for a broad range of system parameters (shear rate, confining stress, fluid viscosity, and relative fluid-grain density), the frictional strength and packin...

Journal: :Physical review letters 2015
Burkhard Militzer Kevin P Driver

We extend the applicability range of fermionic path integral Monte Carlo simulations to heavier elements and lower temperatures by introducing various localized nodal surfaces. Hartree-Fock nodes yield the most accurate prediction for pressure and internal energy, which we combine with the results from density functional molecular dynamics simulations to obtain a consistent equation of state fo...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه قم - دانشکده علوم پایه 1392

پلاسمای فوق چگال یک نوع ماده کدر است که به وسیله ی تشدید موج سطحی در یک زاویه ی خاص به صورت یک ماده شفاف در می اید.حضور برخورد در پلاسمای فوق چگال ، باعث کاهش تشدید شدت موج عبوری خواهدشد.در اینجا نشان داده خواهد شد که این برخورد(برخورد موج الکتریکی و مغناطیسی با لایه پلاسما)،منجر به کاهش میزان انتقال انرژی موج فرودی از یک پلاسمای فوق چگال اتلافی میشود.از انجاییکه ضریب اتلاف در قسمت موهومی ضریب ...

2008
Alonso Silva Eitan Altman Pierre Bernhard

We study the routing problem in massively dense static adhoc networks as the node density increases. We use a fluid approximation in which the graph providing the available routes becomes so dense that it can be approximated by a continuous area which inherits from the original problem the cost structure: a cost density is defined at each point on the limit plain; it is a function of the locati...

2010
Maarten H. Everts Henk Bekker Tobias Isenberg

We present a technique for the illustrative rendering of 3D line data at interactive frame rates. We create depth-dependent halos around lines to emphasize tight line bundles while less structured lines are de-emphasized. Moreover, the depth-dependent halos combined with depth cueing via line width attenuation increase depth perception, extending techniques from sparse line rendering to the ill...

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