Answer Happy

Nux= 0.04
Rex0.58 Pr1/3
Evaluating air properties at 350 K,
Hint: Assume that total heat generated in the chip is
transferred in both sides.
(P.s.: Please can anyone solve this clearly with details
and legible handwriting? Thanks a lot...)
Dielectric Liquid Two,1= 20°C U..,1= 5 m/s Air To,2= 20°C U.,2= 20 m/s T₁ T₂ x = 0.15m chip t board