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TECHNICAL PAPERS

Effect of Entrance Shape on Erosion in the Throat of Chokes

[+] Author and Article Information
Brenton S. McLaury, Siamack A. Shirazi, Tim L. Burden

The Erosion/Corrosion Research Center, Department of Mechanical Engineering, The University of Tulsa, Tulsa, OK 74104

J. Energy Resour. Technol 122(4), 198-204 (Sep 18, 2000) (7 pages) doi:10.1115/1.1325407 History: Received October 28, 1999; Revised September 18, 2000
Copyright © 2000 by ASME
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References

Figures

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Experimental mass loss rate of wafer choke geometry
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Experimental uniform penetration rate of wafer choke geometry
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Predicted penetration rates not accounting for change in geometry profile
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Contour plot of turbulent kinetic energy obtained using the initial profile of the choke geometry
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Enlarged cross-sectional view of the entrance to the constriction region
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Contour plot of turbulent kinetic energy obtained using the eroded profile shown in Fig. 7
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Predicted penetration rates accounting for change in geometry profile
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(a) Choke for LDV measurements (nonrounded step into throat); (b) choke for LDV measurements (rounded step into throat)
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Turbulent kinetic energy profile (7 mm upstream of constriction)
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Turbulent kinetic energy profile (18 mm downstream of constriction)
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Turbulent kinetic energy profile (68 mm downstream of constriction)
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Turbulent kinetic energy profile (133 mm downstream of constriction)

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