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The paper presents a method for calculation of labyrinth seals with extraction. It involves a disorder of movement by interfering with the flow and bringing some irrelevant value of the mass stream out of a specific point of the labyrinth packing and outside the seal. It is described how to detect changes in the seal geometry by introducing a diagnostic parameter. The results of calculations are determined by an algorithm based on linearizations of de Saint - Venant equations.
Rocznik
Tom
Strony
5--14
Opis fizyczny
Bibliogr. 4 poz., tab., wykr.
Twórcy
autor
autor
- Poznan University of Technology Faculty of Working Machines and Transportation Chair of Thermal Engineering ul. Piotrowo 3, 60-965 Poznan, POLAND, damian.joachimiak@doctorate.put.poznan.pl
Bibliografia
- Joachimiak D. and Krzyślak P. (2011): Comparison of one-dimensional computational models of compressible and incompressible fluid flow in the labyrinth seals (in Polish). - Zeszyty Naukowe Politechniki Poznańskiej - Maszyny Robocze i Transport, No.64, 2011.
- Krzyślak P. (2008): A method of diagnosing labyrinth seals in fluid-flow machines. - Polish Maritime Research, 3 (57) 2008, vol.15, pp.38-41, 10.2478/v10012-007-0081-2.
- Trütnovsky K. (1964): Berührungsfreie Dichtungen, Grundlagen und Anwendungen der Strömung durch Spalte und Labyrinthe. - VDI-Verlag bh Düsseldorf, Verlag des Vereins Deutscher Ingenieure.
- Winowiecki M. (2009): The method of diagnosing labyrinth seals on machines flow (in Polish). - Dissertation, Poznan University of Technology, Poznań 2009.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPZ5-0015-0023