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## Main Question or Discussion Point

Hi all

I've been calculating heat convection off a horizontal heated plate to still cool air around it. Since the plate has a size of 50m2 the GrPr number is turbulent i there's no equation in my book to calculate heat transfer by convection for GrPr > 10^11, so i used the equation of GrPr at 10^11, and got that the heat transfer from the plate to the surrounding is 1700W. On fluent 6.1 i'm getting 600W...which one to believe?

Elie

I've been calculating heat convection off a horizontal heated plate to still cool air around it. Since the plate has a size of 50m2 the GrPr number is turbulent i there's no equation in my book to calculate heat transfer by convection for GrPr > 10^11, so i used the equation of GrPr at 10^11, and got that the heat transfer from the plate to the surrounding is 1700W. On fluent 6.1 i'm getting 600W...which one to believe?

Elie