Modeling and simulation of low pressure oil-hydraulic pipeline transients


Jiang, D., Li, S., Zeng, W. and Edge, K.A., 2012. Modeling and simulation of low pressure oil-hydraulic pipeline transients. Computers and Fluids, 67, pp. 79-86.

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    In order to predict more accurately the pressure transients accompanying air release and vaporous cavitation inside oil-hydraulic low pressure pipelines, a new method using genetic algorithms (GAs) for parameter identification is described. A mathematical model for pressure and flow transients is presented in which models of vaporous cavitation and dynamic air release and re-solution are incorporated. This model enables the prediction of both the vaporous cavitation and the air bubble volumes in the pipeline during the transients following a sudden cut-off of the flow. The accurate prediction of behavior largely depends on three generally unknown parameters required by the model, namely: the initial air bubble volume in the oil, and the air release and re-solution time constants. Through the use of the GAs, these parameters can be identified. Predicted results and experimental data show close correspondence.


    Item Type Articles
    CreatorsJiang, D., Li, S., Zeng, W. and Edge, K.A.
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    URLURL Type
    DepartmentsUniversity Administration & Central Services > Vice-Chancellor's Office
    Research CentresCentre for Power Transmission & Motion Control
    Publisher StatementJiang_Li_Edge_and_Zeng_Computers_Fluids_authors_final_version.pdf: NOTICE: this is the author’s version of a work that was accepted for publication in Computers & Fluids. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Computers & Fluids, vol 67, 2012, DOI 10.1016/j.compfluid.2012.07.005
    ID Code31418


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