In respect of free convection over a vertical flat plate the Nusselt number varies with Grashoff number ‘Gr’ as
1
Gr and Gr1/4 for laminar and turbulent flows respectively
2
Gr1/2 and Gr1/3 for laminar and turbulent flows respectively
3
Gr1/4 and Gr1/3 for laminar and turbulent flows respectively
4
Gr1/3 and Gr1/4 for laminar and turbulent flows respectively