A5042283441- Dust and Plasma Wave Phenomena
- Ionosphere and magnetosphere dynamics
- Earthquake Detection and Analysis
- Lattice Boltzmann Simulation Studies
- Heat and Mass Transfer in Porous Media
- Aerosol Filtration and Electrostatic Precipitation
- Plasma Diagnostics and Applications
- Fluid Dynamics and Turbulent Flows
- Cold Atom Physics and Bose-Einstein Condensates
- Solar and Space Plasma Dynamics
- Heat Transfer and Optimization
- Neurological Disease Mechanisms and Treatments
- Hygrothermal properties of building materials
- Radiative Heat Transfer Studies
- Heat Transfer and Boiling Studies
- Fluid Dynamics and Vibration Analysis
- Neurological Disorders and Treatments
- Electromagnetic Launch and Propulsion Technology
- Machine Learning and Data Classification
- Urban Heat Island Mitigation
- Metal and Thin Film Mechanics
- Adversarial Robustness in Machine Learning
- Nanofluid Flow and Heat Transfer
- Cardiovascular and Diving-Related Complications
- S100 Proteins and Annexins
Institute of Thermophysics
2013-2024
McMaster University
2018
City Clinical Hospital No. 2
2017
City Hospital No. 40
2015
Novosibirsk State University
2013
A self-consistent model of plasma polarization around an isolated micron-sized dust particle under the action external electric field is presented. It shown that quasineutral condition fulfilled and formed volume charge totally screens particle. The ion focusing wake formation behind are demonstrated for different mean free paths fields. obtained at low values trapped ions play main role in screening charge. For high fields, density decreases screened mainly by ions.
An experimental and numerical study of a multicomponent swirl flow liquid in closed cylinder is carried out for various values the relative elongation Reynolds number. The technique characteristics measurement based on PIV (particle image velocimetry) technique. To detail, we simulated problem numerically using Palabos Basilisk software open-source packages. current implementation package uses LBM (lattice Boltzmann method) approach, which collision integral determined by MRT...
This paper presents a self-consistent model of plasma polarization around an isolated micrometer-sized dust particle being under the action external electric field. It describes ion focusing and wake formation for particles with different radii fields. is shown that despite wake, maintains quasi-neutral condition negatively charged particle, volume charge formed as result screens completely. also in field, dipole moment part nearest to proportional charge. As field increases reaches some...
Abstract Numerical investigations of different properties the system a dust particle and ion cloud are presented. The model is based on solution Newton equations for trajectories with Monte‐Carlo simulations ions initial position, velocity distribution, mean three path. calculations density distribution around single were made taking into account presence an external electric field. charge was calculated self‐consistently electron fluxes towards particle. A two‐dimensional spatial potential...
In this paper, a self‐consistent numerical model that describes the behavior of plasma around an isolated, highly charged dust particle is presented. Using developed model, distributions space charge density and potential in presence external electric field are obtained. These thoroughly analysed though Legendre decomposition. For different parameters, such as radius particle, amplitude field, mean free path ions, dipole moment ion cloud surrounding calculated. It turns out dependencies on...
Neural Architecture Search (NAS) is a promising and rapidly evolving research area. Training large number of neural networks requires an exceptional amount computational power, which makes NAS unreachable for those researchers who have limited or no access to high-performance clusters supercomputers. A few benchmarks with precomputed architectures performances been recently introduced overcome this problem ensure more reproducible experiments. However, these are only the computer vision...
The structural parameters of the dust particle chains suspended vertically in electric field a gas discharge are studied here. investigations performed by numerical multi-block model based on mean approximation. describes movement ions and particles under action an external field, (Coulomb) each charged particle, bulk plasma charge (ions electrons) that screens charges particles. gravity ion drag forces acting also taken into account. Self-consistent chain calculated compared for different...
A model of the positive column a DC glow discharge in argon with dust particles is presented. The based on solution non-local Boltzmann equation for electron energy distribution function (EEDF), drift-diffusion equations ions, and Poisson self-consistent electric field. radial density cloud calculated according to an equilibrium electrostatic field under action ion drag force. It shown that if center tube force larger than force, dust-free region (void) central part formed. Otherwise (for...
This paper presents a numerical study of the structural parameters one-dimensional chain three dust particles levitating in near-electrode layer an rf discharge or stratum dc discharge. The model considers motion under action gravity, external electric field, Coulomb repulsion, and electrostatic force from space charge surrounding particles. Particular attention is paid to effect plasma polarization around wake formation field. Calculations showed that first particle total entire chain, as...
To compare clinical and morphological results of treatment ischemic stroke in three groups patients which differed by the forms duration an antioxidant therapy.A randomized trial was performed 8 vascular centers Russian Federation 2010-2014. It included 373 with carotid territory. Patients were into 3 to receive different regimens therapy as adjunct standard therapy: control group (ascorbic acid; 132 patients); cytoflavin (20 ml per day for 10 days; 133 (the dose decreased from 11th 20th...
To study the processes of boiling on a smooth surface with contrast wettability, hybrid model was developed based Lattice Boltzmann method and heat transfer equation. The makes it possible to describe phenomena natural convection, nucleate boiling, transition film and, thus, development crisis in wide range superheats wetting characteristics. find optimal configuration biphilic surface, at first stage numerical simulation carried out for single lyophobic zone lyophilic surface. dependences...
The experimental and theoretical investigations of the formation dust particle clouds in stratified positive column a dc glow discharge helium were performed. size shape cloud that levitated strong electric field striations vertically oriented tube measured under different pressures. Axial strength was also experimentally estimated. A model for radial distributions all dusty plasma parameters developed to describe obtained results. is based on solution non-local Boltzmann equation an...
In this paper, a self‐consistent numerical model describing the behaviour of plasma around isolated highly charged dust particles with different shapes rotation figures is presented. Dust in form sphere, oblate ellipsoids (disk‐like particles), and elongated (rod‐like particles) are considered presence an external electric field. Using developed model, distributions space charge potential obtained non‐spherical particles. These carefully analysed by decomposing them series Legendre...
The formation of a 1D chain-like structure dust particles in low-temperature argon plasma was studied. A new numerical model for calculation the self-consistent spatial distribution parameters around chain presented. described motion positively charged ions electric potential several negatively particles, taking into account action an external field. main advantage that charges and interparticle distances were determined self-consistently. As result simulations, dependencies distributions...
In this paper, the effect of ion–neutral collision type on ion cloud formation around a dust particle immersed in plasma presence an external electric field is considered. It shown that elastic collisions low-temperature low-density lead to persistence directed velocity compared resonant charge exchange collisions, where ions lose almost their energy. Thus drift larger for case than collisions. With increase strength, increases faster case. The dipole moment cloud–dust system also appeared...
A new model for the convective drying of a kaolin spherical sample is presented. The based on self-consistent solution heat and moisture transfer equations with effective thermal conductivity water diffusion coefficients wet porous clay-like medium. radial distributions temperature content were calculated different boundary conditions fluxes surface sample. To test model, kinetics heated up to 60°C 100°C calculated. results show good agreement experimental numerical data other authors. In...
Neural architecture search (NAS) targets at finding the optimal of a neural network for problem or family problems. Evaluations architectures are very time-consuming. One possible ways to mitigate this issue is use low-fidelity evaluations, namely training on part dataset, fewer epochs, with channels, etc. In paper, we propose bayesian multi-fidelity method search: MF-KD. The relies new approach evaluations by few epochs using knowledge distillation. Knowledge distillation adds loss function...
Aim. To summarize the currently available information about mechanism of development chronic heart failure against background subclinical hypothyroidism. Key points. The review article is devoted to influence hypothyroidism on course cardiovascular pathologies, in particular failure. mechanisms molecular cellular disorders this disease are presented. A special role assigned protein myocardium phospholamban. importance as a risk factor and an independent nosology within framework comorbid...