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| Eulerian-Lagrangian Model× | Large Eddy Simulation× | |
|---|---|---|
| Fagområde | Fluiddynamik | Fluiddynamik |
| Familie | Process / pipeline | Process / pipeline |
| Oprindelsesår≠ | 1977 | 1963 |
| Ophavsperson≠ | Crowe Christopher | Joseph Smagorinsky |
| Type≠ | Multiphase coupling framework | Scale-resolving turbulence simulation |
| Oprindelig kilde≠ | Crowe, C., Sommerfeld, M., & Tsuji, Y. (2011). Multiphase Flows with Droplets and Particles (2nd ed.). CRC Press. ISBN: 978-1439840474 | Smagorinsky, J. (1963). General circulation experiments with the primitive equations: I. The basic experiment. Monthly Weather Review, 91(3), 99-164. DOI ↗ |
| Aliasser≠ | ELM, two-fluid model, multiphase Eulerian-Lagrangian | LES, subgrid-scale modeling |
| Relaterede | 5 | 5 |
| Resumé≠ | The Eulerian-Lagrangian Model (ELM) is a framework for simulating multiphase flows by treating the continuous phase (liquid or gas) using Eulerian descriptions (fixed grid) and discrete dispersed phases (particles, droplets, bubbles) using Lagrangian tracking. Developed by Crowe and collaborators in 1977, this approach exploits the strengths of both perspectives: Eulerian methods for the bulk continuous phase and Lagrangian methods for individual dispersed elements. ELM is widely used in industrial applications including spray combustion, pneumatic conveying, and particle-laden flows. | Large Eddy Simulation (LES) is a turbulence modeling technique that explicitly resolves large-scale turbulent eddies while modeling small-scale subgrid-scale (SGS) motions. Introduced by Joseph Smagorinsky in 1963, LES represents a middle ground between Reynolds-Averaged Navier-Stokes (RANS) and Direct Numerical Simulation (DNS). By capturing the energy-containing scales of turbulence, LES provides superior accuracy for transient flows and complex geometries at computational costs significantly lower than DNS. |
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