نتایج جستجو برای: wet media
تعداد نتایج: 314873 فیلتر نتایج به سال:
Abstract. First rheological investigation results of weakly wet granular media are presented. The materials have been examined experimentally and numerically in welldefined shear configurations in steady state, in the intermediate flow regime. For the experiments, a Searl-type ring shear cell with rotating inner cylinder and fixed outer cylinder is used. In the numerical particle simulation app...
Objective: To compare the outcome of myringoplasty in dry and wet ears suffering from Chronic suppurative otitis media with central perforation. Study design: Prospective study. Setting: Department of E.N.T, Burdwan Medical College & Hospital. Methods :100 patients with Chronic suppurative otitis media with central perforation ( 50 dry and 50 wet perforations) undergone myringoplasty by underla...
We use a three-dimensional mixed-wet random network model representing Berea sandstone to compute displacement paths and relative permeabilities for water alternating gas (WAG) flooding. First we reproduce cycles of water and gas injection observed in previously published experimental studies. We predict the measured oil, water and gas relative permeabilities accurately. We discuss the hysteres...
Most of the terrestrial environments are covered with some type of flowing ground; however, inadequate understanding of moving bodies interacting with complex granular substrates has hindered the development of terrestrial/all-terrain robots. Although there has been recent performance of experimental and computational studies of dry granular media, wet granular media remain largely unexplored. ...
The objective of this study is to obtain quantitative evidence of pore-scale immiscible fluid distribution in oil-wet and water-wet porous media using X-ray computed microtomography. Temporal and spatial saturation profiles, as well as surface and interfacial areas, are thoroughly analyzed through cycles of drainage and imbibition using samples with different wetting characteristics but similar...
Displacement of oil and water in porous media of reservoir rocks is described by relative permeability curves, which are important input data for reservoir performance simulation and drive mechanism studies. Many core studies, such as multiphase relative permeability, capillary pressure and saturation exponent determination, depend on the volume fractions of multiphase flui...
Wettability exerts fundamental control over multiphase flow in porous media, which has been extensively studied uniform-wet media. In contrast, mixed-wet media is less well-understood. We combine microfluidic experiments and pore-scale simulations to study the displacement of oil by water a mostly oil-wet patterned with discrete water-wet clusters. Our work demonstrates complex nature wettabili...
The knowledge of the area of interfaces between phases is important to understand and quantify many flow and transport processes in porous media. In this work, we apply the interfacial tracer technique to study the dependence of fluid-fluid interfacial area on saturation and wettability. The interfacial area between the wetting and the nonwetting phases (brine and decane) in unconsolidated poro...
Preparation of drug nanoparticles via wet media milling (nanomilling) is a very versatile drug delivery platform and is suitable for oral, injectable, inhalable, and buccal applications. Wet media milling followed by various drying processes has become a well-established and proven formulation approach especially for bioavailability enhancement of poorly water-soluble drugs. It has several adva...
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