Fig. 5From: Cooling-induced permeability enhancement for networks of microfractures in superhot geothermal environmentsRelationship between the normalized permeability index and drop in borehole temperature for each direction in Run 1. σx (y) denotes the outlet face, y (R: right face, L: left face, F: front face, B: back face) subjected to the principal stress, σx (x: 1, 2, 3)Back to article page