Combined natural and forced convection analysis is done only when (Gr = Grashof number and Re = Reynold number)
1
\(0.1 < \frac{{{G_r}}}{{R_e^4}} < 10\)
2
\(0.1 < \frac{{{G_r}}}{{R_e^3}} < 10\)
3
\(0.1 < \frac{{{G_r}}}{{R_e^2}} < 10\)
4
\(0.1 < \frac{{{G_r}}}{{{R_e}}} < 10\)
5
Question Not Attempted