tracer particles
Two-dimensional simulation of vortex points and tracer particles in counterflowing He-II
... tices were initially ( t = 0) set at random locations. The particles’s initial position was also random, with veloc- ity matching v n . The system was evolved for one (dimen- sionless) time unit, sampling positions, ...
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Dynamics and mechanics of bed-load tracer particles
... smaller particles having larger displacements ...in tracer studies ...for particles of all sizes is approximately one step ...largest particles travel the farthest for rivers with steep to ...
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Uncertainties in assessing tillage erosion – How appropriate are our measuring techniques?
... the tracer particles into the natural soil ...fluorescent tracer concentration can reach the detectable saturation ...individual particles at distinct slope positions without soil disturbance ...
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Deposition pattern and tracer particle motion of evaporating multi-component sessile droplets
... both tracer particle concentration and nanoparticle concentration affect the drying patterns ...more tracer particles are accumulated toward the droplet center as the evaporation ...of tracer ...
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The Control of Grain-Scale Mechanics on Channel form, Landscape Dynamics, and Climatic Perturbations in Gravel-Bedded Rivers
... individual particles on the river bed spend the majority of their time at ...moving particles scales with the excess dimensionless stress, resulting in two regimes for bed load transport: partial bed load ...
168
Extreme value statistics from Lagrangian convex hull analysis for homogeneous turbulent Boussinesq convection and MHD convection
... homogeneous and stationary Navier – Stokes turbulence, neutral fl uid Boussinesq convection, and MHD Boussinesq convection a comparison with Lagrangian pair dispersion shows that convex hull statistics capture the ...
20
The application of X ray micro Computed Tomography imaging for tracing particle movement in soil
... tracer application and as water was applied, the volume of tracer filled pores decreased over.. After this stage the tracer particles were likely to have settled.[r] ...
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Improved 3 D Particle Tracking Velocimetry with Colored Particles
... monochrome particles the novelty over the prior state of the art is the use of differently dyed tracer particles and the identification of particle color classes directly on Bayer raw ...of ...
13
Determination of surface ? potential and isoelectric point of carbon surfaces using tracer particle suspensions
... of tracer particles of known ζ-potential in close proximity of the surface that is the object of ...characterization. Tracer particle methods were used by Yan et ...on tracer particles ...
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Investigating and Counteracting Phenomena that Govern Polymer Microsphere Fouling on Wind Tunnel Screens.
... as tracer particles is responsible for the surface properties that exacerbate ...produces particles of uniform size and shape (optimal for tracer particles) that offer a high areal ...
201
Particle-in-wavelets scheme for the 1D Vlasov-Poisson equations ⋆,⋆⋆
... Abstract. A new numerical scheme called particle-in-wavelets is proposed for the Vlasov-Poisson equations, and tested in the simplest case of one spatial dimension. The plasma distribution function is discretized using ...
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Identification of positron emission tomography (PET) tracer candidates by prediction of the target-bound fraction in the brain
... of tracer metabolites in the brain is not straightforward; however, it appears to not deteriorate the predictive value of the model, which is consistent with metabolites generally having more hydro- gen bond ...
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Tracer diffusion in liquids
... A relation between diffusional mobility and viscosity has been obtained and is expressed in the Stokes-Einstein equation. However the non-applicability of this equation to the aqueous tracer diffus ion considered ...
124
Modelling radiocarbon uptake by the Southern Ocean
... ideal tracer allows to study in some detail the physical mechanisms represented by the tracer ...a tracer is introduced at the surface at each time step with the unit and magnitude ...The ...
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Curve Tracer Using Microcontroller
... curve tracer using ...curve tracer requires a sawtooth and a staircase waveform to trace the characteristic curves of a semiconductor device on an LCD or oscilloscope ...curve tracer can be ...
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A Lagrangian advection scheme with shape matrix (LASM) for solving advection problems
... Although the initial flow in subcase 1 is simple, a strong vor- tex will be generated above the topography. The interparcel mixing must be effective to control the parcel shape near the vortex to avoid intensive ...
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EQUATIONS FOR TRACER EXPERIMENTS
... The second basic assumption is that in systems of constant volume the rate of flow of isotope out of a compartment is proportional to the amount of labeled isotope present in the compart[r] ...
12
Estimation of Longitudinal and Transverse Dispersion Coefficients in Saturated Porous Media Involving Physical Model
... conservative tracer in a porous media and in a laboratory-scale model, to estimate the longitudinal and transverse dispersion ...the tracer to monitor its plume ...the tracer concentration data in ...
8
'Microbial mortar'- restoration of degraded marble structures with microbially induced carbonate precipitation
... The results of the two-region convection dispersion modelling (Fig. 7a) show that post-MICP treatment tracer transport cannot be well modelled with a single region convection dispersion model. By contrast, ...
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A standardised method for measuring in situ denitrification in shallow aquifers: numerical validation and measurements in riparian wetlands
... a tracer, most often bromide, are injected in a piezometer and the evolution of bromide and N 2 O transported by groundwater is followed by means of surrounding piezometers; however, these experiments often ...
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