Ivan Zavialov

Ivan Zavialov
Moscow Institute of Physics and Technology | MIPT · Department of Aerophysics and Space Research

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16
Publications
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141
Citations

Publications

Publications (16)
Article
Full-text available
The Sea of Azov is a small, shallow, and freshened sea that receives a large freshwater discharge. Under certain external forcing conditions low-salinity waters from the Sea of Azov flow into the north-eastern part of the Black Sea through the narrow Kerch Strait and form a surface-advected buoyant plume. Water flow in the Kerch Strait also regular...
Article
Full-text available
The Sea of Azov is a small, shallow and freshened sea that receives a large freshwater discharge and, therefore, can be regarded as a large river estuary. Under certain external forcing conditions low-saline waters from the Sea of Azov inflow to the northeastern part of the Black Sea through the narrow Kerch Strait and form a surface-advected buoya...
Article
Full-text available
A laboratory study is conducted of high-viscosity mineral oil displacement by an acid solution in a synthetic porous medium with a chemically active skeleton. The skeleton is made of a mixture of glass balls and particles of sodium bicarbonate. The displacement is driven by the pressure difference between the inlet and outlet sides of the working c...
Conference Paper
The main feature of fractured porous reservoirs, such as carbonates, is the presence of cracks of all scales, from the micro level to the main cracks that can cross the whole field. In connection with this feature, and beacause of the influence of formation perturbations on the geometric parameters of cracks, the interpretation of minifrac is a dif...
Article
A laboratory setup for flow modeling of the process of forced displacement of oil by water that leads to the formation of a gaseous phase is presented. It was observed experimentally that the flow process is unstable when forming a gas. The transfer of the oxidant occurs in waves that we refer to as “secondary oxidation waves.” It was also found th...
Article
When ranking the attractiveness of projects for the development of high-viscosity oil fields, a need has been identified for creating a single approach to the selection and rapid assessment of the efficiency of the technology of thermal methods for enhancing oil recovery (EOR). The purpose of this work is to create a convenient and fast tool for so...
Conference Paper
Full-text available
This article presents a new method of laboratory density determination and construction equations of state for marine waters with various ionic compositions and salinities was developed. The validation of the method was performed using the Ocean Standard Seawater and the UNESCO thermodynamic equation of state (EOS-80). Density measurements of water...
Conference Paper
Full-text available
This article presents a new method of laboratory density determination and construction equations of state for marine waters with various ionic compositions and salinities was developed. The validation of the method was performed using the Ocean Standard Seawater and the UNESCO thermodynamic equation of state (EOS-80). Density measurements of water...
Article
Full-text available
Self-oscillating mode of reaction front propagation in multiphase flow in the porous medium with chemically active skeleton is investigated numerically. The considered flow represents an immiscible displacement process, such that the displacing fluid and the skeleton of the porous medium have chemically active components which react with production...
Article
We study the peculiarities of spreading of gravity-suspended matter bearing flows along a sloping bottom under the condition of the intense entrainment of bottom sediments. It was found that the velocity of the propagation of such a flow remains constant, while the heading part conserves the size and excessive mass of the entrained solid fraction....
Article
Gravity currents are enough widespread and can reach catastrophic proportions. It is still poorly understood features of the motion of the gravity current motion with the active mass transfer with the bottom sediments. In addition, it is difficult reliable quantitative estimates of the mass involved in the movement and carried down the slope sedi...
Article
Gravity currents are enough widespread and can reach catastrophic proportions. It is still poorly understood features of the motion of the gravity current motion with the active mass transfer with the bottom sediments. In addition, it is difficult reliable quantitative estimates of the mass involved in the movement and carried down the slope sedime...
Conference Paper
Full-text available
Separation control experiments on a rectangular wing were carried out using dielectric barrier discharge plasma at subsonic speed for chord Reynolds numbers between 0.35 and 0.875·106. Surface pressure measurements and flow visualization show that global flow separation on the wing can be mitigated or eliminated with the plasma actuators. The data...

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