Directional region control of the thermal fractal diffusion of a space body*
Qiao Weia),b), Sun Jieb)†, Liu Shu-Tanga)
       
Thermal fractal diffusion under control conditions in differently directed regions: (a) θ = π /2, φ = j π /2, j = 0,2, (b) θ = π ; θ = π /2, φ = π , (c) θ = i π /2, i = 0,2; θ = π /2, φ = j π /2, j = 1,3, (d) θ = i π /2, i = 0,2; θ = π /2, φ = j π /2, j = 0,1,2,3.