Study of Interconnected Physical Processes in the Magnetic Fluid Sealer
The purpose of this work is creation of an interconnected numerical model of the magnetic and hydrodynamic fields of the ferrofluid sealer to analyze the effect of centrifugal forces during shaft rotation on the retained pressure drop. The set goal was achieved by selection of the neces-sary equatio...
Saved in:
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Academy of Sciences of Moldova
2021-09-01
|
| Series: | Problems of the Regional Energetics |
| Subjects: | |
| Online Access: | https://journal.ie.asm.md/assets/files/01_03_51_2021.pdf |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1849397070270562304 |
|---|---|
| author | Nesterov S.A. Stradomskii Yu.I. Belov V.S. |
| author_facet | Nesterov S.A. Stradomskii Yu.I. Belov V.S. |
| author_sort | Nesterov S.A. |
| collection | DOAJ |
| description | The purpose of this work is creation of an interconnected numerical model of the magnetic and hydrodynamic fields of the ferrofluid sealer to analyze the effect of centrifugal forces during shaft rotation on the retained pressure drop. The set goal was achieved by selection of the neces-sary equations, boundary conditions, assumptions and properties concerning the ferrofluids when building a numerical model of the sealer gap in the Comsol Multiphysics simulation envi-ronment. The important results of the work were the obtained and analyzed distributions of the magnetic field and pressure field in the ferrofluid, the evaluation results of the of the effect of centrifugal forces arising during the shaft rotation, on the pressure drop held by the sealer. It was shown that with a shaft radius of up to 50 mm and speed up to 3000 rpm, the change in the retained pressure drop was insignificant, and it was up to 2 % of the values with a stationary shaft. Significant manifestation of centrifugal force for the investigated shaft radii began at 6000 rpm. It was shown that the decrease in the retained pressure drop with an increase in the working gap was associated with the decrease in the magnetic field gradient. The significance of the re-sults consisted in the possibility of using the developed model for the study of the ferrofluid sealer gap processes. Comparison with the data obtained using the analytical formulas showed that the latter overestimated the retained pressure drop. |
| format | Article |
| id | doaj-art-ee9cc3d13b2748d0bf4f67400c7b2f39 |
| institution | Kabale University |
| issn | 1857-0070 |
| language | English |
| publishDate | 2021-09-01 |
| publisher | Academy of Sciences of Moldova |
| record_format | Article |
| series | Problems of the Regional Energetics |
| spelling | doaj-art-ee9cc3d13b2748d0bf4f67400c7b2f392025-08-20T03:39:09ZengAcademy of Sciences of MoldovaProblems of the Regional Energetics1857-00702021-09-015131910.52254/1857-0070.2021.3-51.01Study of Interconnected Physical Processes in the Magnetic Fluid SealerNesterov S.A.0Stradomskii Yu.I. 1Belov V.S.2Ivanovo State Power Engineering University, Ivanovo, Russian FederationIvanovo State Power Engineering University, Ivanovo, Russian FederationIvanovo State Power Engineering University, Ivanovo, Russian FederationThe purpose of this work is creation of an interconnected numerical model of the magnetic and hydrodynamic fields of the ferrofluid sealer to analyze the effect of centrifugal forces during shaft rotation on the retained pressure drop. The set goal was achieved by selection of the neces-sary equations, boundary conditions, assumptions and properties concerning the ferrofluids when building a numerical model of the sealer gap in the Comsol Multiphysics simulation envi-ronment. The important results of the work were the obtained and analyzed distributions of the magnetic field and pressure field in the ferrofluid, the evaluation results of the of the effect of centrifugal forces arising during the shaft rotation, on the pressure drop held by the sealer. It was shown that with a shaft radius of up to 50 mm and speed up to 3000 rpm, the change in the retained pressure drop was insignificant, and it was up to 2 % of the values with a stationary shaft. Significant manifestation of centrifugal force for the investigated shaft radii began at 6000 rpm. It was shown that the decrease in the retained pressure drop with an increase in the working gap was associated with the decrease in the magnetic field gradient. The significance of the re-sults consisted in the possibility of using the developed model for the study of the ferrofluid sealer gap processes. Comparison with the data obtained using the analytical formulas showed that the latter overestimated the retained pressure drop.https://journal.ie.asm.md/assets/files/01_03_51_2021.pdfmagnetic fluidamagnetic fluid sealer |
| spellingShingle | Nesterov S.A. Stradomskii Yu.I. Belov V.S. Study of Interconnected Physical Processes in the Magnetic Fluid Sealer Problems of the Regional Energetics magnetic fluid a magnetic fluid sealer |
| title | Study of Interconnected Physical Processes in the Magnetic Fluid Sealer |
| title_full | Study of Interconnected Physical Processes in the Magnetic Fluid Sealer |
| title_fullStr | Study of Interconnected Physical Processes in the Magnetic Fluid Sealer |
| title_full_unstemmed | Study of Interconnected Physical Processes in the Magnetic Fluid Sealer |
| title_short | Study of Interconnected Physical Processes in the Magnetic Fluid Sealer |
| title_sort | study of interconnected physical processes in the magnetic fluid sealer |
| topic | magnetic fluid a magnetic fluid sealer |
| url | https://journal.ie.asm.md/assets/files/01_03_51_2021.pdf |
| work_keys_str_mv | AT nesterovsa studyofinterconnectedphysicalprocessesinthemagneticfluidsealer AT stradomskiiyui studyofinterconnectedphysicalprocessesinthemagneticfluidsealer AT belovvs studyofinterconnectedphysicalprocessesinthemagneticfluidsealer |