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| Disfuzija Stefana-Maxwella× | Boussinesqova aproksimacija× | |
|---|---|---|
| Područje | Termodinamika | Termodinamika |
| Obitelj | Process / pipeline | Process / pipeline |
| Godina nastanka≠ | 1871 | 1903 |
| Tvorac≠ | Josef Stefan and James Clerk Maxwell | Joseph Boussinesq |
| Vrsta≠ | Diffusion equation | Approximation technique |
| Temeljni izvor≠ | Reid, R. C., Prausnitz, J. M., & Poling, B. E. (1987). The Properties of Gases and Liquids (4th ed.). McGraw-Hill. ISBN: 978-0071247009 | Boussinesq, J. (1903). Théorie Analytique de la Chaleur. Gauthier-Villars. link ↗ |
| Drugi nazivi | Stefan-Maxwell equation, multicomponent diffusion | buoyancy approximation, Boussinesq model |
| Srodne | 3 | 3 |
| Sažetak≠ | The Stefan-Maxwell diffusion equation describes how multiple chemical species diffuse through each other in a mixture, accounting for interactions between all species pairs. Unlike Fick's law, which assumes species diffuse independently, Stefan-Maxwell theory captures the coupling that occurs when species with different diffusivities move at different rates. This is essential for analyzing gas separation, combustion, catalytic processes, and reactive distillation. | The Boussinesq Approximation simplifies the governing equations for natural convection by treating density as constant except in the buoyancy term. This approximation is valid when temperature variations produce small density changes and allows researchers to solve coupled heat-fluid flow problems without solving the full, nonlinear compressibility equations. The Boussinesq Approximation is fundamental to analyzing buoyancy-driven flows in buildings, enclosures, and geophysical applications. |
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