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Article

Optimization of Loads in Piping Systems by the Realistic Calculation Method Applying Fluid-Structure-Interaction (FSI) and Dynamic Friction

[+] Author and Article Information
Tilman Diesselhorst, Ulrich Neumann

Framatome ANP GmbH, Dept. NGPS1, PO Box 3220, D-91050 Erlangen, Germany

J. Pressure Vessel Technol 127(1), 1-6 (Mar 15, 2005) (6 pages) doi:10.1115/1.1845449 History: Received December 04, 2003; Revised September 08, 2004; Online March 15, 2005
Copyright © 2005 by ASME
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References

Parry, R. I., 2000, “Check Valve Condition Monitoring,” Proc.of the 5th NRC/ASME Symp. on Valve and Pump Testing.
Weisshäupl,  H., Schauki,  N., and Braddy,  R., 1989, “Analysis, Testing and Optimization of Check Valves,” ASME J. Pressure Vessel Technol., 180, pp. 119–123.
Heinsbroek,  A. G. T. J., 1997, “Fluid-Structure Interaction in Non-Rigid Pipeline Systems,” Nucl. Eng. Des., 172, pp. 123–135.
Erath,  W., Nowotny,  B., and Maetz,  J., 1999, “Modelling the Fluid Structure Interaction Produced by a Waterhammer During Shutdown of High-Pressure Pumps,” Nucl. Eng. Des., 193, pp. 283–296.
Diesselhorst,  T., Schmidt,  R., and Schnellhammer,  W., 2000, “Realistische Druckstoßberechnung, Berücksichtigung der Dynamischen Reibung und der Fluid-Struktur-Wechselwirkung,” 3R international(39), 11, pp. 678–682.
Brunone,  B., Golia,  U. M., and Greco,  M., 1995, “Effects of Two-Dimensionality on Pipe Transients Modelling,” J. Hydraul. Eng., 121, pp. 906–912.
Bergant, A., Simpson, A. R., and Vitkovsky, J., 1999, “Review of Unsteady Friction Models in Transient Pipe Flow,” 9th Int. Meeting Work Group on the Behavior of Hydraulic Transients, paper D1.
Kruisbrink, A. C. H., and Heinsbroek, A. G. J., 1992, “Fluid-Structure Interaction in Non-Rigid Pipeline Systems—Large Scale Validation Tests—(EUREKA Project 274),” Proceedings of Conf. on Piping Systems, BHR Group, Manchester.

Figures

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Improvement of piping systems by optimization procedure using combined calculation programs
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Valve closure with different valve characteristics
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Structure of the program package for fluid and structural dynamic calculation
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Feedwater system as example for the modeling capacity of the fluid program
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Unsteady friction induced by pressure waves, compared to steady friction
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Pressure time history of pump trip in a feed water system; measurements and calculated results
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Optimization of pressure surges caused by check valves; load case pump trip
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Snubber elimination and reduction of supports in a piping system

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