Changing interface conditions in a two-fluid rotating flow

IV Naumov, SG Skripkin, AZ Kvon, VN Shtern - Physics of Fluids, 2023 - pubs.aip.org
This experimental study reveals a striking nonlinear-physics phenomenon of fundamental
and practical interest—changing conditions at the interface of two swirling immiscible fluids …

Experimental study of the topological flow transformations in an aerial vortex bioreactor with a floating washer

IV Naumov, RG Gevorgiz, SG Skripkin… - Biotechnology …, 2023 - Wiley Online Library
Background Research into the flow structure in an aerial vortex bioreactor is relevant for
developing the methods for growing cell cultures. Determining the optimal cultivation …

Bifurcation of rotating surface switching at different spin-up accelerations

SG Skripkin, IV Naumov - Physics of Fluids, 2024 - pubs.aip.org
It has been found, for the first time, that rotating polygons (m= 1, 2) can exist in a system of
two immiscible fluids, which can be in three different steady states: stable funnel, cycling …

Topological transformations of meridional motion in a three-liquid vortex

IV Naumov, MV Tintulova, BR Sharifullin, VN Shtern - Physics of Fluids, 2024 - pubs.aip.org
In the course of the search for a flow pattern optimal for culture growth in vortex bioreactors,
our experiments discovered striking flow patterns that existing theoretical models cannot …

Topological flow transformations in a universal vortex bioreactor

IV Naumov, RG Gevorgiz, SG Skripkin… - … and Processing-Process …, 2023 - Elsevier
Research into the flow structure in an aerial vortex bioreactor is relevant for developing the
methods to grow cell cultures. It is especially important in the case when, with the culture …

Hydrodynamics and Heat Mass Transfer in Two-Phase Dispersed Flows in Pipes or Ducts

MA Pakhomov, PD Lobanov - Water, 2023 - mdpi.com
Two-phase gas-liquid and gas-dispersed flows are frequently encountered in energy,
nuclear, chemical, geothermal, oil and gas and refrigeration industries. Two-phase gasliquid …

Counterflows and stagnation of meridional motion in a three-fluid vortex

M Tintulova, I Naumov, B Sharifullin… - E3S Web of …, 2024 - e3s-conferences.org
In the course of the search for a flow pattern optimal for culture growth in vortex bioreactors,
our experiments discovered striking flow structures that existing theoretical models cannot …