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Interacting force estimation during blade/seal rubs

type de publication      article dans une revue internationale avec comité de lecture
date de publication 2015
auteur(s) Mandard Romain; Witz Jean-François; Boidin Xavier; Fabis Jacky; Desplanques Yannick; Meriaux Jean
journal (abréviation) Tribology International (Tribol Int)
volume (numéro) 82 (Part B)
  
pages 504 – 513
résumé Abradable seals are used in aeronautical compressors to minimize the blade-casing clearance while ensuring the integrity of the mechanical parts in case of contact. Considering the tight clearance, in-flight blade-seal interactions may occur and have to be taken into account when designing abradable seals. The blade-seal interacting force is difficult to access but constitutes a key parameter in the understanding and modelling of the phenomenon. The present paper aims at presenting an experimental methodology to estimate the blade-seal interacting force from indirect measurements. The methodology is applied to a short interaction produced on a dedicated test rig in conditions representative of the full-scale configuration. The obtained force is correlated with the wear profile of the abradable seal.
mots clés Blade-seal interaction; Abradable material; Force estimation
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