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Meccanica

Erschienen in:

21.07.2017

A fast lumped parameter approach for the prediction of both aeration and cavitation in Gerotor pumps

verfasst von: Y. G. Shah, A. Vacca, S. Dabiri, E. Frosina

Erschienen in: Meccanica | Ausgabe 1-2/2018

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Abstract

In this paper, a lumped parameter approach for predicting cavitation in fluid power systems is described. The modeling approach is based on the homogeneous mixture one fluid model for cavitation and takes into account the effects of compressibility of both the liquid phase and gaseous phase, related to aeration and fluid vaporization. By using the homogeneous mixture theory, equations suitable for lumped parameter models are derived, including the orifice equation to describe flow through hydraulic connections, the constitutive relations, and the pressure built up equations for hydraulic chambers. The proposed equations are then used in the paper to simulate a Gerotor pump under cavitating conditions. Results are validated experimentally for different operating conditions.

Vorheriger Artikel Bingham fluids: deformation and energy dissipation in triangular cross section tube flow

Nächster Artikel Control of wetness fraction and liquid droplet size in wet steam two phase flows with hot steam injection

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Titel: A fast lumped parameter approach for the prediction of both aeration and cavitation in Gerotor pumps
verfasst von: Y. G. Shah
A. Vacca
S. Dabiri
E. Frosina
Publikationsdatum: 21.07.2017
Verlag: Springer Netherlands
Erschienen in: Meccanica / Ausgabe 1-2/2018
Print ISSN: 0025-6455
Elektronische ISSN: 1572-9648
DOI: https://doi.org/10.1007/s11012-017-0725-y

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