Journal article
Cavitation Implementation Algorithms Based on Pressure Projection Method for Incompressible Flows With Three‐Phase Interactions
International journal for numerical methods in fluids, Vol.97(7), pp.1057-1072
07/2025
DOI: 10.1002/fld.5389
Abstract
In the present study, a cavitation implementation algorithm is developed using a pressure‐based method for incompressible flows with three‐phase interactions. Central to this implementation algorithm is the treatment of the velocity jump due to the phase change, which is included in both the cavitation transport and pressure equations. The velocity jump, as a function of the phase change rate, is added as a source term to the pressure Poisson equation. A non‐conservative form of the vapor transport equation is derived, and the velocity divergence is replaced by a term related to the mass phase change rate. An algorithm for the three‐phase (air, water, and vapor) interactions is also developed. The VOF method is modified and used to identify the ‘dry’ (air) phase and the ‘wet’ (water/vapor mixture) phase, since the cavitation can only occur inside the water phase. The liquid volume fraction is used to distinguish water and vapor phases. The numerical results of the 2D NACA66MOD and 3D Delft Twist 11 hydrofoils show good agreement with the experimental measurement. The forced unsteady cavitation flows are investigated using a pitching foil with the results compared with the experimental observations. Air–water interface effect on the cavitation is investigated using the NACA66MOD hydrofoil. The code is applied to simulate a surface piercing super cavitating hydrofoil with both ventilation and cavitation involved.
Details
- Title: Subtitle
- Cavitation Implementation Algorithms Based on Pressure Projection Method for Incompressible Flows With Three‐Phase Interactions
- Creators
- Zhaoyuan Wang - University of IowaSungtek Park - University of IowaFrederick Stern - University of Iowa
- Resource Type
- Journal article
- Publication Details
- International journal for numerical methods in fluids, Vol.97(7), pp.1057-1072
- DOI
- 10.1002/fld.5389
- ISSN
- 0271-2091
- eISSN
- 1097-0363
- Publisher
- WILEY
- Grant note
- Office of Naval Research: N00014-20-1-2259 U.S. Office of Naval Research (ONR)
This work is supported by the U.S. Office of Naval Research (ONR) Grant N00014-20-1-2259 with Dr. Robert Brizzolara as the program manager. The simulations presented in this work were performed at the Department of Defense (DoD) Supercomputing Resource Centers (DSRCs) through the High Performance Computing Modernization Program (HPCMP), including FY22 Pathfinder program allocations.
- Language
- English
- Electronic publication date
- 03/04/2025
- Date published
- 07/2025
- Academic Unit
- IIHR--Hydroscience and Engineering; Mechanical Engineering
- Record Identifier
- 9984800201902771
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