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Analysis of Penstock Fracture by Water Hammer

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Pipeline Systems

Part of the book series: Fluid Mechanics and Its Applications ((FMIA,volume 7))

Abstract

It is presumed from this study that the breaking pattern of pipes after the sudden closure of the valve at stage by stage by assuming initial velocity and specify the yielding stress from elastic condition to plastic condition. The results of analysis are compared with the condition of actually-braked penstock. The water hammer waves acting on each section of the longitudinal pipes are analyzed by the method of characteristics to find the high peaks of the surge pressure. The yielding point and the changes from elastic to plastic condition was determined by a two dimensional finite element elastic-plastic analysis.

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References

  1. Britto,A.M.and Gunn,MJ.,Critical State Soil Mechanics via Finite Elements,JohnWiley Sons,1987.

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  2. Chen, W.F. and Mizuno, D., Nonlinear Analysis in Soil Mechanics, Elsevier, Development in Geotechnical Engineering Vol. 53, 1990, p132–139.

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  3. Kono, Y. and Sugai, Y., Water hammer analysis by method of characteristics and statical stress Analysis of tunnels by fmite element method, In Proc.29th Japanese Conference on Hvdraulics,1985 pp.657–662.

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  4. Merrill, L., The Herald Journal, Dec. 5, 6 and 7, 1984 and Mar. 17 and Apr. 7, 1985.

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Author information

Authors and Affiliations

  1. Department of Civil Engineering at Tohoku Gakuin University, Faculty of Engineering, Tagajo, Miyagi-Ken 985, Japan

    Yukio Kono & Yukihito Sugai

  2. Department of Civil Engineering at Tohoku University Aoba Aramaki Aoba-Ku Sendai, Faculty of Engineering, Miyagi-Ken 980, Japan

    Takahiro Sugano

Authors
  1. Yukio Kono
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  2. Takahiro Sugano
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  3. Yukihito Sugai
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Editor information

Editors and Affiliations

  1. Leicester Polytechnic, UK

    Bryan Coulbeck

  2. Sir William Halcrow & Partners Ltd, UK

    Edward P. Evans

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© 1992 Springer Science+Business Media Dordrecht

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Kono, Y., Sugano, T., Sugai, Y. (1992). Analysis of Penstock Fracture by Water Hammer. In: Coulbeck, B., Evans, E.P. (eds) Pipeline Systems. Fluid Mechanics and Its Applications, vol 7. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-2677-1_14

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  • DOI: https://doi.org/10.1007/978-94-017-2677-1_14

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-90-481-4143-2

  • Online ISBN: 978-94-017-2677-1

  • eBook Packages: Springer Book Archive

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