Parameters affecting water hammer in plastic pipelines

• Autorzy: Urbanowicz K. , Firkowski M.

Identyfikatory

DOI

10.17402/283

• Języki publikacji: EN

Abstrakty

EN

Pressure pipes made of selected plastics are widely used in current water supply systems. Unfortunately, the theoretical basis for modeling transient flows in these pipes has not been clarified yet. For simplified one-dimensional numerical modeling, a model is commonly used in which the total deformation of the pipe walls is expressed by the sum of instantaneous and retarded deformations. One of the main problems lies in the correct experimental determination of the creep function defining the properties of the polymer. The influence of other parameters on which the numerical solution of the method of characteristics is based is the subject of the research presented in this paper.

Słowa kluczowe

EN

water hammer; unsteady flow; viscoelastic pipes; method of characteristics; partial differential equations; creep function

• Wydawca: Wydawnictwo Naukowe Akademii Morskiej w Szczecinie
• Czasopismo: Zeszyty Naukowe Akademii Morskiej w Szczecinie
• Rocznik: 2018
• Tom: nr 54 (126)
• Strony: 35--43
• Opis fizyczny: Bibliogr. 21 poz., rys., tab.

Twórcy

autor

Urbanowicz K.

• West Pomeranian University of Technology Szczecin Department of Mechanical Engineering and Mechatronics 19 Piastów Ave., 70-310 Szczecin, Poland

autor

Firkowski M.

• West Pomeranian University of Technology Szczecin Department of Mechanical Engineering and Mechatronics 19 Piastów Ave., 70-310 Szczecin, Poland

Bibliografia

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• 3. Covas, D., Stoianov, I., Ramos, H., Graham, N. & Maksimovic, C. (2004) The dynamic effect of pipe-wall viscoelasticity in hydraulic transients. Part I – experimental analysis and creep characterization. Journal of Hydraulic Research 42, 5, pp. 517–531.
• 4. Covas, D., Stoianov, I., Ramos, H., Graham, N. & Maksimovic, C. (2005) The dynamic effect of pipe-wall viscoelasticity in hydraulic transients. Part II – model development, calibration and verification. Journal of Hydraulic Research 43, 1, pp. 56–70.
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• 6. Henclik, S. (2018b) Numerical modeling of water hammer with fluid-structure interaction in a pipeline with viscoelastic supports. Journal of Fluids and Structures 76, pp. 469–487.
• 7. Keramat, A. & Haghighi, A. (2014) Straightforward Transient-Based Approach for the Creep Function Determination in Viscoelastic Pipes. Journal of Hydraulic Engineering 140, 12, 04014058.
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• 10. Tijsseling, A.S. (2007) Water hammer with fluid-structure interaction in thick-walled pipes. Computers & Structures 85, 11–14, pp. 844–851.
• 11. Urbanowicz, K. (2012) New approximation of unsteady friction weighting functions. Proceedings of the 11th International Conference on Pressure Surges, pp. 477–492.
• 12. Urbanowicz, K. (2015) Simple modelling of unsteady friction factor. Proceedings of the 12th International Conference Pressure Surges, pp. 113–130.
• 13. Urbanowicz, K. (2017a) Modern Modeling of Water Hammer. Polish Maritime Research 24, 3, pp. 68–77.
• 14. Urbanowicz, K. (2017b) Analytical expressions for effective weighting functions used during simulations of water hammer. Journal of Theoretical and Applied Mechanics 55, 3, pp. 1029–1040.
• 15. Urbanowicz, K., Firkowski, M. & Zarzycki, Z. (2016) Modelling water hammer in viscoelastic pipelines: short brief. Journal of Physics: Conference Series 760, 012037.
• 16. Urbanowicz, K. & Zarzycki, Z. (2015) Improved lumping friction model for liquid pipe flow. Journal of Theoretical and Applied Mechanics 53, 2, pp. 295–305.
• 17. Vardy, A.E. & Brown, J.M.B. (2003) Transient turbulent friction in smooth pipe flows. Journal of Sound and Vibration 259, 5, pp. 1011–1036.
• 18. Vardy, A.E. & Brown, J.M.B. (2004) Transient turbulent friction in fully rough pipe flows. Journal of Sound and Vibration 270, 1–2, pp. 233–257.
• 19. Zarzycki, Z. (1997) Hydraulic resistance of unsteady turbulent liquid flow in pipes. Proceedings of the 3rd International Conference on Water Pipeline Systems, pp. 163–178.
• 20. Zarzycki, Z. (2000) On weighting function for wall shear stress during unsteady turbulent pipe flow. Proceedings of the 8th International Conference on Pressure Surges, pp. 529–543.
• 21. Zarzycki, Z. & Urbanowicz, K. (2006) Modelling of transient flow during water hammer considering cavitation in pressure pipes. Chemical and Process Engineering 27, 3, pp. 915–933.

Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).