Nonconservative Formulation of Unsteady Pipe Flow Model
Publication: Journal of Hydraulic Engineering
Volume 136, Issue 8
Abstract
A new approach to numerical modeling of water hammer is proposed. An unsteady pipe flow model incorporating Brunone’s unsteady friction model is used, but in contrast to the standard treatment of the unsteady friction term as a source term, the writers propose a nonconservative formulation of source term. Second-order flux limited and high order weighted essentially nonoscillating numerical schemes were applied to the proposed formulation, and results are in better agreement with measurements when compared with results obtained with standard form.
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Information & Authors
Information
Published In
Journal of Hydraulic Engineering
Volume 136 • Issue 8 • August 2010
Pages: 483 - 492
Copyright
© 2010 ASCE.
History
Received: Jul 7, 2008
Accepted: Feb 16, 2010
Published online: Feb 20, 2010
Published in print: Aug 2010
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