Sriti, M. and Agouzoul, M. and Ouazar, D. and Micheau, P. (1997) Simulation numérique d'écoulement compressible dans les joints labyrinthe. Journal de Physique III, 7 (5). pp. 1025-1037.

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Abstract

The labyrinth seals are the devices used machines which serve to restrict the leakages crossing a carter (or stator) by a rotating shaft (or rotor) and to avoid the important friction to high rotation speeds. These devices, which in addition behave as shaft bearings, can modify the dynamics characteristics of the line of the shaft in which they are integrated. The present work has been carried out with the purpose of controlling better the flows within the labyrinth seals and to determine their static (leakage-pressure) and dynamic (stiffness and damping coefficients) characteristics. It's based on the development of a global numerical model, and on the integration of the obtained correlations by 3D axisymmetric computation in this model. © Les Éditions de Physique 1997.

Item Type: Article
Uncontrolled Keywords: Computational fluid dynamics; Computer simulation; Damping; Flow control; Friction; Leakage (fluid); Mathematical models; Rotational flow; Seals; Stiffness; Three dimensional; Vortex flow, Axisymmetric computation; Labyrinth seals, Compressible flow
Subjects: Engineering
Divisions: SCIENTIFIC PRODUCTION > Engineering
Depositing User: Administrateur Eprints Administrateur Eprints
Last Modified: 31 Jan 2020 15:47
URI: http://eprints.umi.ac.ma/id/eprint/3459

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