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Experimental research on effectiveness of the magnetic fluid seals for rotary shafts working in water

Szydło Z., Matuszewski L.

Polish Maritime Research

2007

nr 4

53-58

This paper presents course of research on ferro-fluidal seals used in water. The tests were carried out for a hydrophobic magnetic fluid and specially selected profiles of sealing lips at various linear velocities in sealing unit. Though the tests were preliminary their results showed that the research on application of magnetic fluids to seals working in liquid environment should be continued. From the point of view of development of ring drives the most important advantage of ferro-fluidal seals is their smallest drag as compared with seals of other types.