Abstract

TOLENTINO MASGO, San Luis B.. Estudio experimental y numérico de la presión del flujo de agua en un tubo venturi. Ingenius [online]. 2020, n.23, pp.9-22. ISSN 1390-860X.

The Venturi tube is a device used to measure the flow rate in different industrial processes. In the present work, a study is carried out for two cases, one experimental and another numerical of the pressure exerted by the flow of water on the walls of a Venturi tube. In the first case, five experiments with different flow rates are carried out. In the second, the flow is simulated for two types of meshes and two turbulence models, using the code COMSOL Multhiphysics 4.3. The experimental and numerical results showed that the pressures of the flow on the walls in two references identified as C and G keep their magnitude constant; in addition, the numerical profiles showed that the lowest pressure drop occurs in the wall at the inlet and outlet of the throat section. It is concluded that, the distribution of the flow pressure in the wall of the throat section has a convex profile, and the results of pressures obtained for the standard k − e turbulence model are more adjusted to the experimental data.

Keywords : Water flow; Turbulence model; Pressure; Simulation; Venturi tube.

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