<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>The present study focuses on the simulation of two dimensional unsteady cavitating flows. For simulation of unsteady behaviors of cavitation which have practical applications, the development of unsteady PISO algorithm based on the non-conservative approach is utilized. For multi-phase simulation, single-fluid Navier—Stokes equations, along with the volume fraction transport equation, are employed. The bubble dynamics model is utilized to simulate phase change between vapor and liquid phases of the water. Unsteady simulation of cavitation around NACA66(MOD) and supercavitation around a flat plate normal to flow direction are performed to clarify accuracy of presented model. Numerical results and comparisons with experimental data are provided. The accuracy is good, and it is possible to apply this method to more complex shapes.</p></abstract>

The present study focuses on the simulation of two dimensional unsteady cavitating flows. For simulation of unsteady behaviors of cavitation which have practical applications, the development of unsteady PISO algorithm based on the non-conservative approach is utilized. For multi-phase simulation, single-fluid Navier—Stokes equations, along with the volume fraction transport equation, are employed. The bubble dynamics model is utilized to simulate phase change between vapor and liquid phases of the water. Unsteady simulation of cavitation around NACA66(MOD) and supercavitation around a flat plate normal to flow direction are performed to clarify accuracy of presented model. Numerical results and comparisons with experimental data are provided. The accuracy is good, and it is possible to apply this method to more complex shapes.

Drag force on a flat plate in cavitating flows

Polish Maritime Research

{"article-title":"Drag force on a flat plate in cavitating flows"}

The present study focuses on the simulation of two dimensional unsteady cavitating flows. For simulation of unsteady behaviors of cavitation which have...

Drag force on a flat plate in cavitating flows

Publié en ligne: 21 oct. 2009

Pages: 18 - 25

DOI: https://doi.org/10.2478/v10012-008-0028-2

Mots clés
numerical simulation, cavitation, psio algorithm, flat plate, unsteady flow

This content is open access.

Drag force on a flat plate in cavitating flows

Publié en ligne: 21 oct. 2009

Pages: 18 - 25

DOI: https://doi.org/10.2478/v10012-008-0028-2

Mots clésnumerical simulation, cavitation, psio algorithm, flat plate, unsteady flow

This content is open access.

Mots clés
numerical simulation, cavitation, psio algorithm, flat plate, unsteady flow