laboratory tests and numerical simulations of mixing
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laboratory tests and numerical simulations of mixing.

Laboratory Tests and Numerical Simulations of Mixing ...

Apr 28, 2019  To increase the understanding of RAP heating and RAP binder transfer, laboratory tests and numerical simulations that employed the discrete element method (DEM) were conducted for this study to investigate the temperature evolution and amount of RAP binder transfer during the mixing of superheated virgin aggregate and RAP materials in a ...

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Laboratory Tests and Numerical Simulation of Mixing ...

Laboratory Tests and Numerical Simulation of Mixing Superheated Virgin Aggregate with RAP Materials Kun Zhang1 Haifang Wen1 Andrew Hobbs2 1Washington State University and 2ASTEC Industries INC. FHWA Binder ETGs, Fall River, April 10th, 2015

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Laboratory Tests and Numerical Simulations of Mixing ...

Request PDF Laboratory Tests and Numerical Simulations of Mixing Superheated Virgin Aggregate with Reclaimed Asphalt Pavement Materials The use of reclaimed asphalt pavement (RAP) in asphalt ...

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Numerical simulation of mixing process

3.3 Terms of implementing numerical simulation The numerical experiment was carried out on the basis of the required power blender 4 kW rotating with a speed of 35 rev./min. Mixing substance mixtures with a density of 1630 kg/m3 was used paddle. By value

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Laboratory experiments and numerical simulation studies

Jan 01, 2011  Laboratory Tests To investigate CSC, we have performed laboratory visualization experiments and quantitative measurements under controlled conditions, and compared our results to numerical simulations. Visualization Tests Visualization experiments were performed in Hele-Shaw cells either with or without a porous medium present.

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Laboratory tests and numerical simulations on the impact ...

Jan 19, 2018  高达12%返现  Both laboratory tests and numerical simulation without subsurface barriers showed that the saltwater front intruded to 18, 55 and 63 in the aquifer in 10, 20 and 40 min, respectively. The impact of the different permeability of the subsurface barriers to the migration distance and diffusion of saltwater front was also tested in the laboratory ...

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Laboratory tests and numerical simulations giving the ...

Laboratory tests and numerical simulations giving the effect of preloading on the cyclic liquefaction strength C.B. Stamatopoulos Stamatopoulos and Associates Co, 5 Isavron str, 11471 Athens, Greece F. Lopez-Caballero A. Modaressi-Farahmand-Razavi Laboratoire MSS-Mat CNRS UMR 8579, Ecole Centrale Paris, Grande Voie des Vignes,

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Lab-scale tests and numerical simulations for in situ ...

Apr 28, 2015  Laboratory tests and numerical simulations were carried out to design a BB system. ... Mixing pure cultures to obtain the inocula allowed easily achieving high biomass yield in a relatively short time by growing the pure cultures in a rich medium. Conversely, the enrichment of a mixed culture directly from the contaminated site would have been ...

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LABORATORY EXPERIMENTS, NUMERICAL SIMULATIONS,

LABORATORY EXPERIMENTS, NUMERICAL SIMULATIONS, AND ASTRONOMICAL OBSERVATIONS OF DEFLECTED SUPERSONIC JETS: APPLICATION TO HH 110 ... Experiments are also a powerful way to test numerical fluid codes in a parameter range in which the codes must perform well. In this paper, we combine images from a series of ... mixing, temperature profile, and ...

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Laboratory Tests and Numerical Simulations of CFRP ...

Jun 30, 2014  Pendulum impact tests are conducted on scaled pier models. Impact force and pier response with and without CFRP strengthening are compared. The effectiveness of using CFRP strengthening the pier model is observed. In addition, numerical models of the bridge piers are developed and calibrated with experimental results.

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Direct Numerical Simulations of Rayleigh-Taylor instability

The development of the Rayleigh-Taylor mixing layer is studied using data from an extensive new set of Direct Numerical Simulations (DNS), performed on the 0.5 Peta ops, 150k compute cores BG/L Dawn supercomputer at Lawrence Livermore National Laboratory. This includes a suite of simulations with grid size of 10242 4608 and Atwood number ...

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(PDF) Variable-density flow in heterogeneous porous media ...

Variable-density flow in heterogeneous porous media — Laboratory experiments and numerical simulations. Journal of Contaminant Hydrology, 2009 ... Variable-density flow in heterogeneous porous media — Laboratory experiments and numerical simulations. Marwan Fahs. P. Huggenberger ... Enhancement of dilution and transverse reactive mixing in ...

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Continents, supercontinents, mantle thermal mixing, and ...

numerical simulations with continental lithosphere of equal insulating potential can lead to significant thermal changes in the mantle during superconti-nent episodes as well as to no significant thermal changes during supercontinent episodes. The next section formalizes and tests these ideas. 2. Theory and Numerical Simulations

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Experimental and Numerical Investigation of Mechanical ...

Oct 19, 2016  The numerical test results under the confining pressure of 0.3 MPa is selected as an example to analyze in the following sections. Figure 13 shows the deviatoric stress and axial strain curves of numerical CSRM specimens with various RBP. It is noted that the numerical and laboratory results (Fig. 5c) are almost similar.

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Continents, supercontinents, mantle thermal mixing, and ...

Oct 22, 2011  The next section formalizes and tests these ideas. 2. Theory and Numerical Simulations. We build on a body of theoretical, numerical, and laboratory work in which we have been involved [Lenardic and Moresi, 2001, 2003; Cooper et al. 2004, 2006; Lenardic et al. 2005; Jellinek and Lenardic, 2009]. These studies did not focus on supercontinents ...

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Hyporheic transverse mixing zones and dispersivity ...

More recently, Santizo et al. (2020) conducted laboratory simulations of pore scale transverse hyporheic mixing, but mixing processes were obscured by mixing-dependent reactions, transient conditions were not included, and numerical simulations were not utilized to interpretation underlying processes. Furthermore, we are unaware of transverse ...

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Displacement of a Rich Gas Condensate by Nitrogen ...

A unique laboratory study of displacement of a rich gas condensate (from an Overthrust Belt reservoir in the western U.S.) by nitrogen and buffer gas (nitrogen plus separator gas) was conducted in slim tubes and long Berea sandstone cores at 215 degrees F [375 K] over the pressure range 4,500 to 5,700 psia [31.0 to 39.3 MPa].

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Transverse Isotropy of Phyllite Under Brazilian Tests ...

Dec 29, 2017  Phyllite is a low-grade, metamorphic rock with well-developed foliation. We characterized the fracture pattern and failure strength of phyllite specimens under Brazilian tests. The specimens were obtained from the Zhegu mountain tunnel in China and had different foliation-loading angles, namely 0°, 15°, 30°, 45°, 60°, 75° and 90°. The processes for the initiation and propagation of ...

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Energies Free Full-Text Evaluating the Use of ...

As in the case of lab tests, the numerical simulations could not predict the temperature gradients observed in the field test during the non-occupancy period. Numerical simulations also could not compute the vertical CO 2 concentration gradients due to the model limitations and could only predict the mean CO 2 stratification.

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Hyporheic transverse mixing zones and dispersivity ...

More recently, Santizo et al. (2020) conducted laboratory simulations of pore scale transverse hyporheic mixing, but mixing processes were obscured by mixing-dependent reactions, transient conditions were not included, and numerical simulations were not utilized to

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Brazilian Tests on Transversely Isotropic Rocks ...

Jul 05, 2014  Figure 5b documents a comparison between laboratory test results and the numerical simulations, which shows a good agreement. This indicates that the measured peak “tensile strength” is very sensitive to the foliation-loading angle. Fracture Pattern: Comparison Between Laboratory Results and Numerical Simulations

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Numerical simulations of lab-scale brine-water mixing ...

Oct 01, 2006  Laboratory-scale experiments simulating the injection of fresh water into brine in a Strategic Petroleum Reserve (SPR) cavern were performed at Sandia National Laboratories for various conditions of injection rate and small and large injection tube

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Numerical Simulations of Lab-Scale Brine-Water Mixing ...

Numerical Simulations of Lab-Scale Brine-Water Mixing Experiments Imane Khalil and Stephen W. Webb Prepared by Sandia National Laboratories Albuquerque, New Mexico 87185 and Livermore, California 94550 Sandia is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin Company, for the United States Department of Energy’s

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Numerical simulations of shock-induced mixing and ...

Jul 27, 2003  In this paper we use numerical simulation to investigate shock-induced ignition and combustion of a hydrocarbon gas. The focus of this paper is on quantifying the effect of fidelity in the chemical kinetics on the overall solution. We model the system using the compressible Navier Stokes equations for a reacting mixture. These equations express conservation of species mass, momentum,

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Direct numerical simulation of reacting scalar mixing layers

conditions in a numerical simulation. Numerical experi-ments, however, are not subject to the same restrictions as those performed in the laboratory, and passive reactions with a wide range of stoichiometric ratios, reactions rates, and activation temperatures can be numerically superimposed on a simulation of a scalar mixing layer which ...

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LABORATORY EXPERIMENTS, NUMERICAL SIMULATIONS,

LABORATORY EXPERIMENTS, NUMERICAL SIMULATIONS, AND ASTRONOMICAL OBSERVATIONS OF DEFLECTED SUPERSONIC JETS: APPLICATION TO HH 110 ... Experiments are also a powerful way to test numerical fluid codes in a parameter range in which the codes must perform well. In this paper, we combine images from a series of ... mixing, temperature profile, and ...

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Ocean Mixing and Stirring Lab, SMAST/UMD

Ocean Mixing and Stirring. Numerical simulations are used to investigate lateral dispersion caused by small-scale geostophic motions generated by the relaxation of diapycnal mixing events. Our long-term goal is to better understand rates and mechanisms of lateral dispersion in the ocean. The specific goals of this study are to: Provide ...

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Laboratory Tests and Numerical Simulations of CFRP ...

Jun 30, 2014  Pendulum impact tests are conducted on scaled pier models. Impact force and pier response with and without CFRP strengthening are compared. The effectiveness of using CFRP strengthening the pier model is observed. In addition, numerical models of the bridge piers are developed and calibrated with experimental results.

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Ocean Mixing and Stirring Lab, SMAST/UMD

We use laboratory experiments to study lateral stirring by small-scale geostrophic motions formed by the adjustment of diapycnal mixing events. Experiments build on analytical and numerical studies by Sundermeyer et al. (2005) and Sundermeyer and Lelong (in press), which predict the amount of lateral dispersion caused by vortical mode stirring.

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Comparison of Physical to Numerical Mixing with Different ...

The numerical simulation of estuarine dynamics requires accurate prediction for the transport of tracers, such as temperature and salinity. During the simulation of these processes, all the numerical models introduce two kinds of tracer mixing: (1) by parameterizing the tracer eddy diffusivity through turbulence models leading to a source of physical mixing and (2) discretization of the tracer ...

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(PDF) Numerical simulations of compressive tests on bimrock

Numerical simulations of laboratory tests on bimrocks with different VBPs have also been carried out in order to study the mechanical behavior and failure pattern of these complex geomaterials. 10 ...

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Numerical Simulation of Failure Behavior of Granular ...

May 14, 2013  The failure behaviors of debris flow were studied with different grain size distributions by using laboratory flume model tests and numerical simulation (). In the flume model tests, sand samples were prepared by fine or medium sand with different mixing ratio. Combining with the digital imaging technology, the failure behaviors were analyzed ...

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(PDF) Variable-density flow in heterogeneous porous media ...

Variable-density flow in heterogeneous porous media — Laboratory experiments and numerical simulations. Journal of Contaminant Hydrology, 2009 ... Variable-density flow in heterogeneous porous media — Laboratory experiments and numerical simulations. Anis younes ... Enhancement of dilution and transverse reactive mixing in porous media ...

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Direct simulations of chemically reacting turbulent mixing ...

The report presents the results of direct numerical simulations of chemically reacting turbulent mixing layers. The work consists of two parts: (1) the development and testing of a spectral numerical computer code that treats the diffusion reaction equations; and (2) the simulation of a series of cases of chemical reactions occurring on mixing layers.

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Applications of CFD Simulations on Microfluidic Systems ...

by both experiments and numerical simulations to understand the hydrodynamics of slug breaking. Geometric optimization was carried out to analyze the dependency of slug sizes on geometric dimensions. Numerical simulations were also performed to quantify the mixing efficiency inside slugs.

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