Desempenho hidráulico de tubos cerâmico como dreno subterrâneo.

Abstract

It was evaluated the hydraulic performance of ceramic tube without socket, using a horizontal sand tank, in which were tested a coarse sand envelope and the absence of envelope. It was verified that the increase in the entrance resistance, happened for the ceramic tube drain system without envelope, was induced by the absence of envelope, that created a greater flow line convergence close to the tube. For the ceramic tube drain system with envelope, a bigger entrance area, for a kind of envelope with a good hydraulic property, probably, contributed to decrease the entrance resistance.