WEBER\;Number = \FRAC{{Inertia\;force}}{{Surface\;tension\;force}}\)\(Reynold's\;number = \frac{{Inertia\;force}}{{Viscous\;force}}\)\(Mach\;number = \frac{{Inertia\;force}}{{Elastic\;force}}\)\(Euler's\;number = \frac{{Inertia\;force}}{{Pressure\;force}}\)\(Froude\;number = \frac{{Inertia\;force}}{{Gravity\;force}}\)BIOT number → Ratio of internal thermal resistance to boundary layer thermal resistanceGrashof number → Ratio of buoyancy to viscous forcePrandtl number → Ratio of momentum diffusivity (ν) and thermal diffusivity (α). Pr =ν/α REYNOLDS number → Ratio of inertia force to viscous forceNusselt number → Ratio of Convective heat transfer to Conduction heat transfer\(Nu = \frac{{h{L_c}}}{K}\)