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2007•Journal of Projectiles.Rockets.Missiles and GuidanceRequires access

Investigation of a High-speed Centrifugal Compressor of Missile Turbine Engine

Xiaorong Xiang

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Abstract

A three-dimensional flow field of a high-speed centrifugal compressor has been investigated by numerical simulation in this paper.The characteristic curve and primary parameter of different rotation speed has been obtained.The numerical results indicate that the separation flow in axial and radial diffuser was severely,especially in the axial diffuser,which could decrease the efficiency of this centrifugal compressor.The numerical results could be used in the improving and redesign of the compressor.

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What this paper is about

A three-dimensional flow field of a high-speed centrifugal compressor has been investigated by numerical simulation in this paper.The characteristic curve and primary parameter of different rotation speed has been obtained.The numerical results indicate that the separation flow in axial and radial diffuser was severely,especially in the axial diffuser,which could decrease the efficiency of this centrifugal compressor.The numerical results could be used in the improving and redesign of the compressor.

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Available abstract

A three-dimensional flow field of a high-speed centrifugal compressor has been investigated by numerical simulation in this paper.The characteristic curve and primary parameter of different rotation speed has been obtained.The numerical results indicate that the separation flow in axial and radial diffuser was severely,especially in the axial diffuser,which could decrease the efficiency of this centrifugal compressor.The numerical results could be used in the improving and redesign of the compressor.

Key concepts: Diffuser (optics), Centrifugal compressor, Gas compressor, Axial compressor, Impeller, Rotational speed, Computer simulation, Mechanics

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