ROTOR/STATOR TEIL MIT EINEM THERMOMECHANISCHES DREHTEIL UM EINE LÄNGSACHSE, DAS MINDESTENS EINEN ABRIEBRING ENTHÄLT, DER FÜR EINE LABYRINTHDICHTUNG BESTIMMT IST

ROTOR/STATOR TEIL MIT EINEM THERMOMECHANISCHES DREHTEIL UM EINE LÄNGSACHSE, DAS MINDESTENS EINEN ABRIEBRING ENTHÄLT, DER FÜR EINE LABYRINTHDICHTUNG BESTIMMT IST

The part has an abradable crown (58) for forming a labyrinth seal of a rotor/stator assembly. The crown is formed of angular sectors (581, 582) having different rigidity. Number of angular sectors having rigidity same as that of the abradable crown, is different from number of waves in a vibratory m...

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Hauptverfasser: TRICONNET, NICOLAS, LOMBARD, JEAN-PIERRE, CAUCHETEUX, MATHIEU, GARCIN, FRANCOIS
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creator TRICONNET, NICOLAS
LOMBARD, JEAN-PIERRE
CAUCHETEUX, MATHIEU
GARCIN, FRANCOIS
description The part has an abradable crown (58) for forming a labyrinth seal of a rotor/stator assembly. The crown is formed of angular sectors (581, 582) having different rigidity. Number of angular sectors having rigidity same as that of the abradable crown, is different from number of waves in a vibratory mode to be suppressed, of a rotor when the abradable crown is arranged on a stator. The angular sectors of the crown are made of abradable material having different Young's modulus of elasticity. Independent claims are also included for the following: (1) a rotor/stator assembly comprising a thermomechanical part (2) a method for avoiding appearance of instability during contact in a rotor/stator assembly of a turbomachine.
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title ROTOR/STATOR TEIL MIT EINEM THERMOMECHANISCHES DREHTEIL UM EINE LÄNGSACHSE, DAS MINDESTENS EINEN ABRIEBRING ENTHÄLT, DER FÜR EINE LABYRINTHDICHTUNG BESTIMMT IST
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