Calculate the hydrodynamic boundary layer thickness and

Question

Air at 20^oC at atmospheric pressure flows over a flat plate at a velocity of 3 m/s. if the plate is 1 m wide and 80^oC,

calculate the following at x = 300 mm.

1. Hydrodynamic boundary layer thickness,

2. Thermal boundary layer thickness,

3. Local friction coefficient,

4. Average friction coefficient,

5. Local heat transfer coefficient

6. Average heat transfer coefficient,

7. Heat transfer.