Direct numerical simulations of particle-laden isotropic turbulence. Pseudo-spectral solver

• Autorzy: Rajek Michał

Identyfikatory

DOI

10.58139/c82v-cy47

• Języki publikacji: EN

Abstrakty

EN

In this work an in-house pseudo-spectral direct numerical simulations solver for particle-laden forced isotropic turbulence is developed. The code has been validated against the results of a decaying three-dimensional Taylor-Green vortex field at moderate Reynolds number. The solver can be relatively easily adapted for large-eddy simulations using the concept of spectral eddy-viscosity. The solver is coupled with the Lagrangian particle tracking of a dispersed phase essentially approximated by point-particles whose particle-to-fluid density ratio is O(10^{3). High order Lagrange interpolation and combined implicit-explicit time-integration scheme are used to solve the particle equation of motion.}

Słowa kluczowe

EN

pseudo-spectral; DNS; isotropic turbulence; inertial particles

• Wydawca: Wydawnictwo Instytutu Maszyn Przepływowych PAN
• Czasopismo: Transactions of the Institute of Fluid-Flow Machinery
• Rocznik: 2023
• Tom: nr 142
• Strony: 13--23
• Opis fizyczny: Bibliogr. 24 poz., rys.

Twórcy

autor

Rajek Michał

• Institute of Fluid-Flow Machinery, Polish Academy of Sciences 14 Fiszera Street, 80-231 Gdansk, Poland

Bibliografia

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