Numerical modelling of column separation with large pressure pulses
Files
(Accepted version)
Date
1987
Authors
Simpson, A.
Wylie, E.
Editors
Advisors
Journal Title
Journal ISSN
Volume Title
Type:
Conference paper
Citation
Hydraulic engineering : proceedings of the 1987 National Conference on Hydraulic Engineering, Williamsburg, Virginia, August 3-7, 1987 /Robert M. Ragan (ed.): pp. 427-432
Statement of Responsibility
Angus R. Simpson and E. Benjamin Wylie
Conference Name
American Society of Civil Engineers, National Conference on Hydraulic Engineering (1987 : Williamsburg, Virginia)
Abstract
Liquid transients involving column separation occur in pipelines when the pressure drops to the vapor pressure of the liquid. The collapse of vapor cavities may result in short duration pressure pulses superimposed on water hammer waves, that exceed the Joukowsky or instantaneous valve closure pressure rise. This paper presents the analytical development of an improved mathematical model for describing column separation in pipelines. The model treats distributed vaporous cavitation regions and localized vapor cavities including intermediate cavities. The results from the numerical model are compared with some experimental results for a reservoir-pipeline-valve system.
School/Discipline
Dissertation Note
Provenance
Description
Access Status
Rights
Copyright © 168, ASCE