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TECHNICAL PAPERS

Impeller Geometry Suitable for Mini Turbo-Pump

[+] Author and Article Information
Shuhong Liu, Michihiro Nishi, Kouichi Yoshida

Department of Mechanical Engineering, Kyushu Institute of Technology, Sensui-cho 1-1, Tobata, Kitakyushu, 804-8550, Japan

J. Fluids Eng 123(3), 500-506 (Apr 28, 2001) (7 pages) doi:10.1115/1.1385385 History: Received February 26, 2001; Revised April 28, 2001
Copyright © 2001 by ASME
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References

Stepanoff, A. J., 1957, Centrifugal and Axial Flow Pumps, 2ed., Wiley, NY.
Tanaka,  K., and Ohashi,  H., 1984, “Performance of Centrifugal Pumps at Low Reynolds Number,” Trans. Jpn. Soc. Mech. Eng., Ser. B, 50, No. 449, pp. 279–285 (in Japanese).
Engeda, A., and Rautenberg, M., 1988, “Partial Flow Performance Comparisons of Semi-open and Closed Centrifugal Impellers,” ImechE, C334/88.
Ishida,  M., and Senoo,  Y., 1981, “On the Pressure Losses Due to the Tip Clearance of Centrifugal Blowers,” ASME J. Eng. Gas Turbines Power, 103, pp. 271–278.
Senoo,  Y., and Ishida,  M.,1986, “Pressure Loss Due to the Tip Clearance of Impeller Blades in Centrifugal and Axial Blowers,” ASME J. Eng. Gas Turbines Power, 108, pp. 32–35.
Senoo,  Y., and Ishida,  M., 1987, “Deterioration of Compressor Performance Due to Tip Clearance of Centrifugal Impellers,” ASME J. Turbomach., 109, pp. 55–61.
JSME S008, 1989, Performance Conversion Method for Hydraulic Turbines and Pumps.
CFX-TASCflow, Version 2.10, Primer Manual, AEA Technology Engineering Ltd.
Wood,  G. M., Welna,  H., and Lamers,  R. P., 1965, “Tip-clearance Effect in Centrifugal Pumps,” Trans. ASME, 85, pp. 932–940.
Murakami,  M., and Minemura,  Y., 1976, “Effects of Side Clearance of Semi-open Impeller Pumps under Air Admitting Conditions,” Trans. Jpn. Soc. Mechm. Eng. 42, No. 354, pp. 489–496 (in Japanese).

Figures

Grahic Jump Location
Meridional shape of impeller
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Computational domain (displayed are the following grids: inflow and outflow planes, casing and hub surfaces, and pressure surface of blade)
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Performance of impeller (n=6000 rpm, c2=0.2 mm) (Uncertainty of Qd=±0.5 percent, of H=±0.3 percent, and of Pin=0.11 percent)
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Comparison of pump characteristics (Imp. B and C: n=6000 rpm, c2=0.2 mm) (Uncertainty of ϕ=±0.52 percent, of ψ=±0. percent, and of τin=±0.15 percent, η=±1.5 percent)
Grahic Jump Location
Effect of tip clearance (n=6000 rpm) (Uncertainty of ϕ=±0.52 percent, of ψ=±0.3 percent, and of τin=±0.15 percent, η=±1.5 percent)
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Pressure distribution along the blade of Impeller C

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