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2003•Gas Turbine Experiment and ResearchRequires access

Generalization of Seal/ Rotor Stability Investigation of Turbomachinery

Tian Ai

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Abstract

This paper introduces the effect of Fluid seals on rotor stability. And generalization of rotor stability analysis based on bulk fluid model and CFD analysis is given. The control of rotor dynamics using seal structural design is described. There are two ways to develop rotor/seal stability research in the future, one is to develop computational technology of fluid flow in seals and rotor dynamic characteristics, another is to improve rotor dynamic characteristics by using seal stiffness and damping in seal design.

About this research paper

What this paper is about

This paper introduces the effect of Fluid seals on rotor stability. And generalization of rotor stability analysis based on bulk fluid model and CFD analysis is given. The control of rotor dynamics using seal structural design is described. There are two ways to develop rotor/seal stability research in the future, one is to develop computational technology of fluid flow in seals and rotor dynamic characteristics, another is to improve rotor dynamic characteristics by using seal stiffness and damping in seal design.

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Available abstract

This paper introduces the effect of Fluid seals on rotor stability. And generalization of rotor stability analysis based on bulk fluid model and CFD analysis is given. The control of rotor dynamics using seal structural design is described. There are two ways to develop rotor/seal stability research in the future, one is to develop computational technology of fluid flow in seals and rotor dynamic characteristics, another is to improve rotor dynamic characteristics by using seal stiffness and damping in seal design.

Key concepts: Turbomachinery, Rotor (electric), Seal (emblem), Rotordynamics, Computational fluid dynamics, Labyrinth seal, Stability (learning theory), Stiffness

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