A larger Nusselt number corresponds to more active convection, with turbulent flow typically in the 100 1000 range.
2.
On the other hand, correlations for the peripherally averaged Nusselt number for constant wall temperature are very useful.
3.
The equation yields the surface averaged Nusselt number, which is used to determine the average convective heat transfer coefficient.
4.
Both correlations utilize the Nusselt number and are only valid when the Reynolds number is greater than 10, 000.
5.
These correlations are the mass transfer analogies to heat transfer correlations of the Nusselt number in terms of the Reynolds number and Prandtl number.
6.
A Nusselt number close to one, namely convection and conduction of similar magnitude, is characteristic of " slug flow " or laminar flow.
7.
This becomes the ratio of conductive thermal resistance to the convective thermal resistance of the fluid, otherwise known as the Nusselt number, Nu.
8.
In the situation of laminar flow in circular tubes, several dimensionless numbers are used such as Nusselt number, Reynolds number, and Prandtl.
9.
For this purpose, correlations for the peripherally averaged Nusselt number are, if none, of little use when keeping heat flux conditions constant.
10.
Using the mass-heat transfer analogy, the Nusselt number is replaced by the Sherwood number, and the Prandtl number is replaced by the Schmidt number.
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