Calculate the frictional pressure drop in the evaporation zone of the evaporator tube in exercise 4.4. The friction factor is ζL= 0.038, the dynamic viscosities are ηL = 97.4 · 10−6 kg/sm and ηG =...

Calculate the frictional pressure drop in the evaporation zone of the evaporator tube in exercise 4.4. The friction factor is ζL= 0.038, the dynamic viscosities are ηL = 97.4 · 10−6 kg/sm and ηG = 18.38· 10−6 kg/sm. Both phases are flowing turbulently. The saturation temperature is reached in the centre at a length Δz = 1.17 m.