Discharge flow of granular media from rectangular silos: role of an obstacle and modelling by an orifice at the corner

Scientific challenges and industrial applications in mechanical engineering

Open Access

Fig. 5

(a) Definition of D_new with in this snapshot d_p = 550 μm, D = 24 mm, D_obs = 40 mm and h_O = 10 mm. (b) Mass flow rate Q normalised by versus D_new∕W for all the experiments with d_p = 190 μm and h_O ≤ D. The full line represents the asymptotic regime of equation (1) when D∕d_p ≫ 1 with C = 1.15 corresponding to the case without obstacle.

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