INFINA (EX INFIP)   05545
INSTITUTO DE FISICA INTERDISCIPLINARIA Y APLICADA
Unidad Ejecutora - UE
congresos y reuniones científicas
Título:
Self-similar asymptotics in convergent viscous gravity currents of non-Newtonian liquids
Autor/es:
JULIOGRATTON; CARLOS A. PERAZZO
Lugar:
Santa Fe
Reunión:
Congreso; Fluidos 2008; 2008
Institución organizadora:
División Fluidos y Plasmas, AFA
Resumen:
We investigate the evolution of the ridge produced by the convergent motion of two substrates on which a layer of a non-Newtonian power-law liquid rests. We focus on the self-similar regimes that occur in this process. For short times, within the linear regime, the height and the width increase as t1=2, independently of the rheology of the liquid. In the self-similar regime for large time, the height and the width of the ridge follow power laws whose exponents depend on the rheological index.