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Title: Hydrodynamic fluctuations in fluids under external gradients
Author: Pérez Madrid, Agustín
Rubí Capaceti, José Miguel
Keywords: Fluctuacions (Física)
Fluctuations (Physics)
Issue Date: 1986
Publisher: The American Physical Society
Abstract: Temperature and velocity correlation functions in a fluid subjected to conditions creating both a temperature and a velocity gradient are computed up to second order in the gradients. Temperature and velocity fluctuations are coupled due to convection and viscous heating. When the viscosity goes to infinity one gets the temperature correlation function for a solid under a temperature gradient, which contains a long-ranged contribution, quadratic in the temperature gradient. The velocity correlation function also exhibits long-range behavior. In a particular case its equilibrium term is diagonal whereas the nonequilibrium correction contains nondiagonal terms.
Note: Reproducció digital del document publicat en format paper, proporcionada per PROLA i
It is part of: Physical Review A, 1986, vol. 33, núm. 4, p. 2716-2724.
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ISSN: 1050-2947
Appears in Collections:Articles publicats en revistes (Física de la Matèria Condensada)

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