Equilibrium configurations in a magnetic fluid-based field mapping and gas pressure measuring system: Experiment and simulations
Source abstract
Abstract
In this work, we present a measurement system based on the thin layer of magnetic fluid aimed at scanning either the non-uniform magnetic field distribution applicable for magnetic levitation systems (MagLev) or determining small excess gas pressure. The key idea is based on the photo registration of a transparent air-filled cavity formed in a thin magnetic fluid layer due to balancing the gas pressure and the pressure emerging due to magnetic forces. As a result, the contour of the magnetic field lines in 3D space is visible. It is shown that the theoretical analysis and numerical simulations are consistent with experimental results.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Characterization and Applications of Magnetic Nanoparticles · Minerals Flotation and Separation Techniques · Electrohydrodynamics and Fluid Dynamics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Southwest State University 1 , Kursk 305048, Russia
Belarusian National Technical University 2 , Minsk 220013, Belarus
Kursk State University 3 , Kursk 305000, Russia
Funding
Belarusian Republican Foundation for Fundamental Research · Ministry of Education and Science of the Russian Federation · Council on Grants of the President of the Russian Federation
References (13)
Show source-provided references
1. ‘Axial’ magnetic levitation using ring magnets enables simple density-based analysis, separation, and manipulation10.1021/acs.analchem.8b03493 ↗
2. Axial magnetic levitation: A high-sensitive and maneuverable density-based analysis device10.1016/j.snb.2019.127362 ↗
3. Liquid flow and control without solid walls10.1038/s41586-020-2254-4 ↗
4. Actuation mechanism of microvalves: A review10.3390/mi11020172 ↗
5. The critical assessment of vapour pressure estimation methods for use in modelling the formation of atmospheric organic aerosol10.5194/acp-10-749-2010 ↗
6. A fit of the vapours10.1016/j.tca.2015.04.030 ↗
7. Measurement and correlation of the equilibrium liquid and vapour densities and the vapour pressure along the coexistence curve of methane10.1016/0021-9614(86)90108-4 ↗
8. A ferrofluid-based wireless pressure sensor10.1088/0960-1317/23/12/125031 ↗
9. Research experiments on pressure-difference sensors with ferrofluid10.1016/j.jmmm.2016.04.080 ↗
10. Study on developing application fields of micro differential pressure sensor with magnetic fluid10.1088/1742-6596/1550/4/042010 ↗
11. Study of the working area of a ring magnet magnetic levitation system using a thin layer of magnetic fluid10.1109/lmag.2020.3014902 ↗
12. 1985
13. Elasticity of an air cavity in a magnetic fluid on an annular magnet segment with changing magnetic field sign10.1007/s11182-018-1540-1 ↗