Question

Air at 15 ºC and at a pressure of 1 atm is flowing along a flat plate at a velocity of 4.75 km/sec. If the plate is one meter wide and at 70 ºC, find the quantities given below at x=1m. (i) Hydrodynamic Boundary layer thickness. (ii) Local friction factor (iii) Average friction (iv) Local heat transfer co-efficient (v) Rate of heat transfer​

Answer 1

Answer:

I also don't know please anyone tell me