Air (1atm) entered into a 5-mm diameter circular tube at an average velocity of 5 m/s. The tube wall is maintained at a constant surface temperature. Determine the convection heat transfer coefficient for (a) a 10-cm long tube and (b) a 50-cm long tube. Evaluate the air properties at 50 C.
Air (1atm) entered into a 5-mm diameter circular tube at an average velocity of 5 m/s. The tube wall is maintained at a constant surface temperature. Determine the convection heat transfer coefficient for (a) a 10-cm long tube and (b) a 50-cm long tube. Evaluate the air properties at 50 C.