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Analysis of the impact of the labyrinth seal geometric parameters on the leakage


[ 1 ] Instytut Energetyki Cieplnej, Wydział Inżynierii Środowiska i Energetyki, Politechnika Poznańska | [ P ] employee

Scientific discipline (Law 2.0)

[2.10] Environmental engineering, mining and energy

Year of publication


Published in

E3S Web of Conferences

Journal year: 2021 | Journal volume: vol. 323

Article type

scientific article / paper

Publication language


  • labyrinth seals
  • slot seal
  • leakage
  • CFD
  • optimization

EN This paper includes results of experimental research and CFD calculations concerning gas flow in segments of straight through labyrinth seals of fixed length and varying number of teeth. Relation between the number of teeth and the leakage is analyzed in this paper. Authors determined the range of teeth number for which the minimum leakage was achieved. They focused particularly on the analysis of geometry with maximum number of teeth which fell within the range of the minimum leakage. For this geometry they examined the relation between the thickness of the teeth and the distribution of gas pressure and velocity along the seal and the leakage size. Data presented in this paper indicate that the teeth thickness has a significant impact on the flow parameters.

Pages (from - to)

00015-1 - 00015-4





article number: 00015

Presented on

V International Scientific and Technical Conference Modern Power Systems and Units, MPSU 2021, 19-21.05.2021, Kraków, Poland

License type

CC BY (attribution alone)

Ministry points / journal


Ministry points / journal in years 2017-2021


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