Experimental stand for the study of cavitation flow regimes

Mathematical modeling of the liquids movement, accompanied by the phenomenon of cavitation, is developing intensively, but the super-cavitational flow regime has a number of features compared to the localization of the cavity on the streamlined body. The article presents a general approach to the mathematical modeling of the supercavitational flow, describes the used mathematical model. The geometry selected for modeling, the initial parameters and the physical constants characterizing the process are given. Using ANSYS CFX, the flow around a cone installed in a round tube at different flow velocities was calculated. The analysis of the obtained results was carried out, and directions for further research were outlined.

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Numerical simulation of supercavitation in the constrained flow

Radzyuk

Kulagin

Istyagina

et al. 2019

IOP Conf. Ser.: Earth Environ. Sci.

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Determination of the flow regime using the experimental hydrodynamic stand

Radzyuk

Kulagin

Istyagina

et al. 2019

IOP Conf. Ser.: Mater. Sci. Eng.

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The article describes the approach to determining the flow regime using the experimental hydrodynamic stand for researching the cavitation processes. A series of experiments with technical tap water was performed, which allowed to confirm the reliability of the results obtained by comparing them with theoretical values. The researched values include mean flow rate, Reynolds number and cavitation numbers. Conclusions about the type of cavitation flow was made.

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Verification of the results of numerical modeling of the developed cavitation in a cramped flow by experimental data

Radzyuk

Istyagina

Pyanykh

et al. 2020

IOP Conf. Ser.: Mater. Sci. Eng.

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The existing mathematical models of fluid flows accompanied by cavitation describe quite accurately the flow behavior in wide ranges of input parameters, however, the multiparameter and variety of problems to be solved require experimental confirmation of the calculation results based on the selected models. The article presents the results of calculations based on modeling the flow of a quasi-homogeneous mixture by the Navier-Stokes equation, and their comparison with measurements on an experimental setup with a similar geometry and flow parameters.

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Experimental stand for the study of cavitation flow regimes

Cited by 5 publications

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Numerical simulation of supercavitation in the constrained flow

Numerical simulation of supercavitation in the constrained flow

Determination of the flow regime using the experimental hydrodynamic stand

Verification of the results of numerical modeling of the developed cavitation in a cramped flow by experimental data

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