Effects of Hydraulic Gradient, Intersecting Angle, Aperture, and Fracture Length on the Nonlinearity of Fluid Flow in Smooth Intersecting Fractures: An Experimental Investigation

Figure 1

The pictures of specimens for the cases of = 30°, 60°, 90°, 120°, and 150°.

(a) θ = 30°

(b) θ = 60°

(c) θ = 90°

(d) = 120°

(e) = 150°