https://doi.org/10.1140/epje/i2016-16125-3
Colloquium
Non-local fluctuation phenomena in liquids
1
Laboratoire des Fluides Complexes et leurs Réservoirs, UMR 5150, Université de Pau et des Pays de l’Adour, 64600, Anglet, France
2
Centre National d’Etudes Spatiales (CNES), 2 Place Maurice Quentin, 75001, Paris, France
3
Departamento de Física Aplicada I, Facultad de Física, Universidad Complutense, 28040, Madrid, Spain
4
Institute for Physical Science and Technology, University of Maryland, 20742, College Park, MD, USA
* e-mail: fabrizio.croccolo@univ-pau.fr
Received:
29
September
2016
Accepted:
18
November
2016
Published online:
20
December
2016
Fluids in non-equilibrium steady states exhibit long-range fluctuations which extend over the entire system. They can be described by non-equilibrium thermodynamics and fluctuating hydrodynamics that assume local equilibrium for the thermophysical properties as a function of space and time. The experimental evidence for the consistency between this assumption of local equilibrium in the equations and the non-local fluctuation phenomena observed is reviewed.
Key words: Topical Issue: Non-isothermal transport in complex fluids
© EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg, 2016