Flujo de agua en el suelo bajo condiciones de simetría radial. Contraste entre modelos
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Universidad Camilo José Cela
info
ISSN: 1134-2196
Año de publicación: 2023
Volumen: 27
Número: 3
Páginas: 169-181
Tipo: Artículo
Otras publicaciones en: Ingeniería del agua
Resumen
A review of some analytical models existing in the bibliography for the evolution of spherical symmetry bulb front advance is presented in this article. Surface drip irrigation is considered from a point (or quasi-point) source for a homogeneous, uniform and isotropic soil, in absence of gravitational force, neither water accumulation on the surface. Furthermore, a new analytical model for spherical symmetric bulb front advance evolution is proposed, based on simplifications in boundary conditions that can be assumed for surface drip irrigation. The model was deduced from the Darcy and continuity equations from a quasi-point source on the surface. At the end of the article, it is shown a comparison among all the analytical models mentioned and simulation results obtained through a numerical model that was validated and presented in previous publications.
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