Research Article
Oct 1974
Gas Release During Transient Cavitation in Pipes
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VIEW THE REPLYAuthor: C. KranenburgAuthor Affiliations
Publication: Journal of the Hydraulics Division
Volume 100, Issue 10
Abstract
Some applications are presented of a mathematical model concerning water hammer and release of dissolved gas in pipelines in the case where the pressure drops to the vapor pressure of the liquid transported. Column separation and cavitation in extensive parts of the pipeline, referred to as cavitating flow, are dealt with. A smoothing procedure is adopted in order to suppress nonlinear instability. Gas release is found to cause some damping of pressure waves in cases where only cavitating flow occurs. Gas release at a column separation cavity tends to increase the duration of column separation, whereas gas release in a possible cavitating flow region adjacent to the separation diminishes this duration, thus causing considerable damping of pressure peaks following subsequent column separations. Good agreement is obtained with experimental results available in the literature. Further experimentation is required as regards the parameters on which gas release depends.
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Published In
Journal of the Hydraulics Division
Volume 100 • Issue 10 • October 1974
Pages: 1383 - 1398
Copyright
© 1974 American Society of Civil Engineers.
History
Published in print: Oct 1974
Published online: Feb 3, 2021
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C. Kranenburg
Scientific Officer, Delft Univ. of Tech., Dept. of Civ. Engrg., Lab. of Fluid Mechanics Delft
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.