[iriandana]

Hello...

i am using FLUENT to model horizontal pipe (d=5 mm, L=1.8m) with constant wall temperature boundary condition ( Ts= 100 C) with water @22 C. Based on Cengel Heat Transfer book, the mean temperature profile should be like this :


but in Reynold 900, in meshing grid 15x800, 15x2000, 33x3000, it is become like this :


Please help me guys.....