<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The edge criteria for magnetic-fluid seals durability research were described in previous article [24] and now the tests results are presented. The tests were made with three magnetic fluids using various magnets quantity in magnetic assemblies. If values obtained in the repeated test deviated by more than 10 % from results of the first test an additional control test was made for final characteristics. The characteristics are: critical pressure, critical motion velocity and working life of the seal. The test stands were prepared for particular seals dimensions and results of tests are presented in the form of tables, cross section draws and diagrams. In conclusion one can see that multi-stage magnetic-fluid seals could be efficiently used in water for rotating shaft seals in a limited range of motion velocity and cycles quantity. Nevertheless a particular applications can be provided by magnetic-fluid seals only.</p></abstract>

The edge criteria for magnetic-fluid seals durability research were described in previous article [24] and now the tests results are presented. The tests were made with three magnetic fluids using various magnets quantity in magnetic assemblies. If values obtained in the repeated test deviated by more than 10 % from results of the first test an additional control test was made for final characteristics. The characteristics are: critical pressure, critical motion velocity and working life of the seal. The test stands were prepared for particular seals dimensions and results of tests are presented in the form of tables, cross section draws and diagrams. In conclusion one can see that multi-stage magnetic-fluid seals could be efficiently used in water for rotating shaft seals in a limited range of motion velocity and cycles quantity. Nevertheless a particular applications can be provided by magnetic-fluid seals only.

Multi-stage magnetic-fluid seals for operating in water – life test procedure, test stand and research results

Faculty of Ocean Engineering and Ship Technology, Gdansk University of Technology, Narutowicza 11/12 80-233 Gdansk, Poland

Polish Maritime Research

Part II Results of life tests of multi-stage magnetic - fluid seal operating in water

The edge criteria for magnetic-fluid seals durability research were described in previous article [24] and now the tests results are presented. The tests were...

Multi-stage magnetic-fluid seals for operating in water – life test procedure, test stand and research results

Published Online: Apr 12, 2013

Page range: 39 - 47

DOI: https://doi.org/10.2478/pomr-2013-0005

Keywords
shaft sealing, magnetic fluid, utility water, seal durability, critical pressure, critical motion velocity

This content is open access.

Multi-stage magnetic-fluid seals for operating in water – life test procedure, test stand and research results

Published Online: Apr 12, 2013

Page range: 39 - 47

DOI: https://doi.org/10.2478/pomr-2013-0005

Keywordsshaft sealing, magnetic fluid, utility water, seal durability, critical pressure, critical motion velocity

This content is open access.

Keywords
shaft sealing, magnetic fluid, utility water, seal durability, critical pressure, critical motion velocity