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Rim sealing of rotor-stator wheelspaces in the absence of external flow

Chew, JW, Dadkhah, S and Turner, AB (1991) Rim sealing of rotor-stator wheelspaces in the absence of external flow American Society of Mechanical Engineers (Paper).

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Abstract

Sealing of the cavity formed between a rotating disc and a stator in the absence of a forced external flow is considered. In this circumstances the pumping action of the rotating disc may draw fluid into the cavity through the rim seal. Minimum cavity throughflow rates required to prevent such ingress are estimated experimentally and from a mathematical model. The results are compared with other worker's measurements. Measurements for three different types of rim seal are reported for a range of seal clearances and for rotational Reynolds numbers up to 3 × 106. The mathematical model is found to correlate the experimental data reasonably well.

Item Type: Article
Authors :
NameEmailORCID
Chew, JWj.chew@surrey.ac.ukUNSPECIFIED
Dadkhah, SUNSPECIFIEDUNSPECIFIED
Turner, ABUNSPECIFIEDUNSPECIFIED
Date : 1 January 1991
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/838410

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