2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/155626We present a review of the chaotic hypothesis and discuss its applications to intermittency in statistical mechanics and fluid mechanics proposing a quantitative definition. Entropy creation rate is interpreted in terms of certain intermittency phenomena. An attempt to a theory of the experiment of Ciliberto-Laroche on the fluctuation law is presented.22 pagesFluid DynamicsChaotic DynamicsClassical Physicstext