2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/117009The paper describes a possible physical characterization for the definition of elementary fluid flow. As consequence, an analytical expansion based on Reynolds number powers for the velocity field is shown in the weakly turbulent case.6 pages, 3 figuresFluid DynamicsMathematical PhysicsChaotic DynamicsCellular Automata and Lattice GasesComputational Physicstext