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The ECE at a high Mach number when the angle between the direction of the moving force (Z-axis) and the fibre direction (x3-axis) is taken as 45°. (a,d,g) C > 0; (b,e,h) C = 0; (c,f,i) C < 0. For all three cases μT = 9 kPa, and μL = 25 kPa [34]. (Online version in colour.)
