(25 poini. pipe with an inner diameter of (D1)=20mm, an outer diameter of (D0)=32mm, and a thermal W/m2K (shown in Figure below), is used to transport a hot fluid. It is covered by an insulation layer with a . aneis of 2 inm and i thermal conductivity of (klns)=0.8W/m2K. The cold fluid is at Th=20C and has a convection coefficient (hd)=12W/mF2K. Determine a) The heat loss from the hot fluid per unit tube length if the surface temperature of the inner diameter of the pipe is at 90 points) b) The heat loss by the hot fluid per unit tube length if the outer insulation layer was removed. (10 points) 25 points) A pipe with an inner diameter of (Dj)=20mm, an outer diameter of (D2)=32mm, and a thermal condictivifr of (k), W/ m2K (shown in Figure below), is used to transport a hot fluid. It is covered by an insulation layer with a thickness of 2 mim asd a thermal conductivity of (kinj)=0.8W/m2K. The cold fuid is at Th=20C and has a convection coetficient (hJ=12. Wrm K. Dntermins a) The heat loss from the hot fluid per unit tube length if the surface temperature of the inner diameter of the pipe is at go *c 15 . points) b) The heat loss by the hot fluid per unit tube length if the outer insulation layer was removed. (10 pointa)