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why the average Nusselt number is less than 1 when the plate is partially heating???

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Old   April 12, 2013, 16:21
Smile why the average Nusselt number is less than 1 when the plate is partially heating???
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amine
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Hi,
i am using Fluent 6.3: when the plate or wall is heating partially,the average nusselt number value was less than 1 (case of simualtion of the natural convection between a solid wall and a fluid)!!!!
can we compute it through a custom function???if yes give me some help please
all the best
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Old   April 13, 2013, 23:53
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Have you checked the reference values you are using (Reference length).
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