A new slip factor for centrifugal impellers

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A new simple but accurate correlation for the slip factor of centrifugal impellers is developed. The functional form of the correlation is obtained by investigating the radius of a relative eddy inscribed by two adjacent vanes and the exit circle of a flow channel in the impeller. Two functions are introduced to correct the slip factor obtained by the present relative eddy model with reference to previous analytical results of Visser, Brouwers and Badie and experiments. The proposed correlation is a function of the number of vanes (Z), vane exit angle (beta'(2)) and the inlet-exit radius ratio (r(1)/r(2)).
Publisher
PROFESSIONAL ENGINEERING PUBLISHING LTD
Issue Date
2001-12
Language
English
Article Type
Article
Citation

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART A-JOURNAL OF POWER AND ENERGY, v.215, no.A5, pp.645 - 649

ISSN
0957-6509
DOI
10.1243/0957650011538776
URI
http://hdl.handle.net/10203/80311
Appears in Collection
ME-Journal Papers(저널논문)
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