Variable temperature Analytical solution 1 Bitumen sheet 1 Bituminous materials 1 Condition 1 Diffusion in liquids 1 Durability 1 Durability of sheet covering 1 Exposed to 1 Laplace transforms 1 Magnetic effect 1 Magnetic effects 1 Magnetohydrodynamics 1 Mathematical operators 1 Mittag-Leffler functions 1 Mittag-leffler functions 1 Natural convection 1 Newtonian liquids 1 Operating temperature 1 Physical aspect via graph 1 Physical aspect via graphs 1 Physical aspects 1 Porous materials 1 Prabhakar derivative 1 Reinforced bitumen sheet 1 Reinforcement 1 Reinforcement effects 1 Roofs 1 Second-grade fluid 1 Slip condition 1