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Experimental study of filling and emptying of a large-scale pipeline

Technische Universiteit Eindhoven
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  • Computer Science
  • Mathematics


EINDHOVEN UNIVERSITY OF TECHNOLOGY EINDHOVEN UNIVERSITY OF TECHNOLOGY Department of Mathematics and Computer Science CASA-Report 12-15 May 2012 Experimental study of filling and emptying of a large-scale pipeline by Q. Hou, A.S. Tijsseling, J. Laanearu, I. Annus, T. Koppel, A. Bergant, S. Vučkovič, J. Gale, A. Anderson, J.M.C. van ’t Westende, Z. Pandula, A. Ruprecht Centre for Analysis, Scientific computing and Applications Department of Mathematics and Computer Science Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven, The Netherlands ISSN: 0926-4507 Experimental study of filling and emptying of a large-scale pipeline Q. Hou1, A.S. Tijsseling1, J. Laanearu2, I. Annus2, T. Koppel2, A. Bergant3, S. Vucˇkovicˇ3, J. Gale3, A. Anderson4, J.M.C. van ’t Westende5, Z. Pandula6, A. Ruprecht7 1Eindhoven University of Technology, The Netherlands 2Tallinn University of Technology, Estonia 3Litostroj Power d.o.o., Ljubljana, Slovenia 4Newcastle University, United Kingdom 5Deltares, Delft, The Netherlands 6Budapest University of Technology, Hungary 7University of Stuttgart, Germany Abstract The filling with liquid of an initially empty pipeline and its counterpart, the draining of an initially liquid-filled pipeline, are of great interest due to the many practical applications. Several potential problems may occur, of which water-hammer and slug impact are the most important. To investigate the filling and emptying processes, different mathematical models have been proposed, in which a common assumption is that the water column evolves with unchanged front and/or tail. This is a reasonable assumption for small-scale systems, particularly in cases with rela- tively high upstream pressure head and low downstream resistance. However, it is not clear whether this assumption is applicable to large-scale systems. This

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