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TECHNICAL PAPERS

A Systematic Experimental Approach to Cross-Flow Fan Design

[+] Author and Article Information
A. Lazzaretto, A. Toffolo, A. D. Martegani

Department of Mechanical Engineering, University of Padova, Via Venezia, 1, 35131 Padova, Italy

J. Fluids Eng 125(4), 684-693 (Aug 27, 2003) (10 pages) doi:10.1115/1.1593710 History: Received January 14, 2002; Revised January 31, 2003; Online August 27, 2003
Copyright © 2003 by ASME
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References

Figures

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Schematic of the test facility
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Geometric variables of the casing walls
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Test program 1: “tree” of tests
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Test program 2: “tree” of tests
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Test program 3: “tree” of tests
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Total pressure coefficient and total efficiency obtained using a small radial width rear wall (θ*=359 deg) and a thin vortex wall (s/D2=0.13) having hd/D2=0.45, under variation of the radial clearance (ev/D2) between vortex wall and impeller
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Results of test program 1: casing shapes featuring thin vortex wall
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Results of test program 2: casing shapes featuring modular vortex wall (constant inflow arc)
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Results of test program 2: casing shapes featuring modular vortex wall (constant discharge section)
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Results of test program 3: different impellers matched with thin vortex wall casings
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Results of test program 3: best performing casing configurations

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