Fluctuation-induced pressures in fluids in thermal nonequilibrium steady states
Correlations in fluids in nonequilibrium steady states are long range. Hence, finite-size effects have important consequences in the nonequilibrium thermodynamics of fluids. One consequence is that nonequilibrium temperature fluctuations induce nonequilibrium Casimir-like pressures proportional to t...
| Autores: | , , |
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| Tipo de recurso: | artículo |
| Fecha de publicación: | 2014 |
| País: | España |
| Institución: | Universidad Complutense de Madrid (UCM) |
| Repositorio: | Docta Complutense |
| Idioma: | inglés |
| OAI Identifier: | oai:docta.ucm.es:20.500.14352/33688 |
| Acceso en línea: | https://hdl.handle.net/20.500.14352/33688 |
| Access Level: | acceso abierto |
| Palabra clave: | 536 Asymptotic time behavior Transport-coefficients Light-scattering Convective instability Diffusion-coefficient Burnett coefficients Nonlinear transport Rayleigh-scattering Giant fluctuations Polymer-solution Termodinámica 2213 Termodinámica |
| Sumario: | Correlations in fluids in nonequilibrium steady states are long range. Hence, finite-size effects have important consequences in the nonequilibrium thermodynamics of fluids. One consequence is that nonequilibrium temperature fluctuations induce nonequilibrium Casimir-like pressures proportional to the square of the temperature gradient. Hence, fluctuations cause a breakdown of the concept of local thermal equilibrium. Furthermore, transport coefficients become dependent on boundary conditions and on gravity. Thus nonequilibrium fluctuations affect some traditional concepts in nonequilibrium thermodynamics. |
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