A high-order discrete scheme of Lattice Boltzmann method for cavitation simulation
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| Title | A high-order discrete scheme of Lattice Boltzmann method for cavitation simulation |
| Authors | |
| Abstract | The cavitation is defined as the process of formation of the vapor of liquid when it is subjected to reduced pressure at constant ambient temperature, including the process of formation, developing and breaking. Cavitation is a significant cause of wear in some engineering contexts and plays a destruction role in the aspect of fluid machinery, but supercavitation can be used to envelope an underwater device or vessel and allow it to travel at greatly increased speed by significant reduction of the drag. In present paper, high order isotropic discrete scheme and the Carnahan-Starling real-gas equation of state (C-S EOS) are coupled in the Shan-Chen multiphase lattice Boltzmann model. The reduction of the spurious current is simulated in the condition of the high order isotropic discrete scheme of force term, and the complete cavitation process of a bubble is also reproduced successfully. The relationships between the radius of bubble seed and cavitation for a density ratio of 50-200 have been investigated by Lattice Boltzmann method with the high-order isotropic discrete scheme. |
| Publisher | World Science Publisher |
| Date | 2012-03-14 |
| Source | 2166-2924 |
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