A Comparison of Simplified Two-dimensional Flow Models Exemplified by Water Flow in a Cavern

Dzmitry Prybytak; Piotr Zima

doi:10.1515/heem-2017-0009

A Comparison of Simplified Two-dimensional Flow Models Exemplified by Water Flow in a Cavern

Abstract

The paper shows the results of a comparison of simplified models describing a two-dimensional water flow in the example of a water flow through a straight channel sector with a cavern. The following models were tested: the two-dimensional potential flow model, the Stokes model and the Navier-Stokes model. In order to solve the first two, the boundary element method was employed, whereas to solve the Navier-Stokes equations, the open-source code library OpenFOAM was applied. The results of numerical solutions were compared with the results of measurements carried out on a test stand in a hydraulic laboratory. The measurements were taken with an ADV probe (Acoustic Doppler Velocimeter). Finally, differences between the results obtained from the mathematical models and the results of laboratory measurements were analysed.

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DOI:: Digital Object Identifier (open in new tab) 10.1515/heem-2017-0009
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Category:: Articles
Type:: artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
Published in:: Archives of Hydro-Engineering and Environmental Mechanics no. 64, edition 3-4, pages 141 - 154,
ISSN: 1231-3726
Language:: English
Publication year:: 2017
Bibliographic description:: Prybytak D., Zima P.: A Comparison of Simplified Two-dimensional Flow Models Exemplified by Water Flow in a Cavern// Archives of Hydro-Engineering and Environmental Mechanics. -Vol. 64., iss. 3-4 (2017), s.141-154
DOI:: Digital Object Identifier (open in new tab) 10.1515/heem-2017-0009
Verified by:: Gdańsk University of Technology