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Titre :
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Rigid-plug elastic-water model for transient pipe flow with entrapped air pocket (2012)
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Auteurs :
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Deyou Liu, Auteur ;
Ling Zhou, Auteur ;
Bryan Karney, Auteur
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Type de document :
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Article : texte imprimé
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Dans :
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Journal of hydraulic research (Vol. 49 N° 6, Novembre/Décembre 2011)
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Article en page(s) :
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pp. 799-803
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Note générale :
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Hydraulique
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Langues :
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Anglais
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Index. décimale :
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627 (Ingénierie des cours d'eau naturels, des ports, des rades et des cotes. Installations de navigation, de dragage, de récupération et de sauvetage. Barrages et centrales électriques hydrauliques)
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Tags :
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Air pocket Entrapped air Mathematical model Pipe system Pressure surge Transient flow
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Résumé :
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Pressure transients in a rapidly-filling pipe with an entrapped air pocket are investigated analytically. A rigid-plug elastic-water model is developed by applying elastic-water hammer to the majority of the water columns while applying rigid-water analysis to a small portion near the air–water interface. The proposed model is validated by the full elastic-water model and experimental data. It effectively avoids the interpolation error of the method of characteristics reducing its complexity when tracking the air–water interface. Moreover, the current model has the same accuracy as the full elastic-water model.
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DEWEY :
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627
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ISSN :
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0022-1686
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En ligne :
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http://www.tandfonline.com/doi/abs/10.1080/00221686.2011.621740
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