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Use of De-swirl nozzles to reduce the pressure drop in a rotating cavity with a radial inflow

Farthing, PR, Chew, JW and Owen, JM (1989) Use of De-swirl nozzles to reduce the pressure drop in a rotating cavity with a radial inflow American Society of Mechanical Engineers (Paper).

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Abstract

A combined theoretical and experimental study is described in which de-swirl nozzles were used to reduce the radial pressure drop in a rotating cavity with a radial inflow of air. The nozzles, which were attached to the outer part of the cavity, were angled such that the angular speed of the air at inlet could be in the opposite direction to that of the cavity. Solutions of the momentum-integral equations were used to predict the resulting radial distributions of pressure throughout the cavity. Flow visualization was used to confirm the flow structure, and transducers attached to one of the rotating disks in the cavity were used to measure the radial pressure distributions. The measured pressures are in good agreement with the predicted values, and the pressure drop across the cavity can be significantly less than that associated with solid-body rotation.

Item Type: Article
Authors :
NameEmailORCID
Farthing, PRUNSPECIFIEDUNSPECIFIED
Chew, JWj.chew@surrey.ac.ukUNSPECIFIED
Owen, JMUNSPECIFIEDUNSPECIFIED
Date : 1 December 1989
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:13
Last Modified : 17 May 2017 15:09
URI: http://epubs.surrey.ac.uk/id/eprint/838411

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