-4 8 A hot fluid passes through a thin-walled tube of 10-mm diameter and 1-m length, and a coolant at T∞ = 25°C is in cross flow over the tube. When the flow rate is m = 18 kg/h and the inlet temperature is Tm,i the outlet temperature is Tmo = 78°C. - 85°C, Assuming fully developed flow and thermal con- ditions in the tube, determine the outlet temperature, Tmo, if the flow rate is increased by a factor of 2. That is, m 36 kg/h, with all other conditions the same. The thermophysical properties of the hot fluid are p = 1079 kg/m³, cp s/m², and k ° =2637 J/kg K, μ = 0.0034 N⚫ == 0.261 W/m K. Hot fluid Tm,i=85°C m = 18 kg/h Coolant T = 25°C DO Tube, D= 10 mm, L= 1 m Tmo = 78°C