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Transport Phenomena in Thermal Engineering. Volume 2

ISBN:
1-56700-015-0 (Print)

THE EFFECT OF MASS FLOW RATE ON FLOW BEHAVIOUR IN A CENTRIFUGAL IMPELLER PASSAGE

N. A. Ahmed
School of Mechanical and Manufacturing Engineering, University of New South Wales, NSW2033, AUSTRALIA

R. L. Elder
Turbomachinery and Engineering Mechanics, Cranfield Institute of Technology, Cranfield, Bedford, UK

Abstract

In this paper, some experimental results are presented to observe the effects of mass flow rate on flow behaviour in the Impeller passsage of a high speed centrifugal compressor. Flow velocities at various planes within the Impeller passage were obtained using laser anemometry. It is found that changes In mass flow rate clearly affect the flow behaviour as the flow develops from the Inlet to the exit of the Impeller passage.