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van der Wal, Karoen (author), van Ostayen, R.A.J. (author), Lampaert, S.G.E. (author)Ferrofluid rotary seals are mechanical contact-free magnetic liquid seals that are characterised by their simple structure, low friction and ability to hermetically seal. Although ferrofluid rotary seals for sealing vacuum and gases are part of a well established industry, the sealing of liquids has not been implemented yet. Literature learns...journal article 2020