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mass weighted average temperature along a curve

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Old   July 3, 2013, 03:20
Default mass weighted average temperature along a curve
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i am new to fluent and this is a basic question.
suppose there is a channel with pressure inlet and outlet boundary conditions,and it's walls are subjected to heat flux.

so,after the computation i can see the mass weighted average temperature of the fluid inside the channel at the outlet.but how can i see the mass weighted average temperature of the fluid along the channel(assuming inlet x=0 to x=l at exit,how bulk temperature varies).

is creating sections at discrete locations along the channel location is the only option?how can i get a continuous curve?

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Old   July 5, 2013, 02:48
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Karthik Ramaswamy
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Hi preetam69,

You can get the profile you want by inserting a line (Surface>line/rake> coordinates) in the direction you want to observe the variation of your parameter.

For example, If I have a circular pipe and I want to observe a continuous variation of temperature radially, I need to insert a line along a diameter of the pipe. I then need to plot XY curves of temperature with the direction vector as 1 and the remaining directions 0 ( in the XY curve set up dialog box).

Edit: Since you want an axial variation, you need to insert a line along the axis with the endpoint coordinates specified. Note that the direction of variation should be set in the XY set up as well!

Alternatively, you can use Iso surfaces - check the fluent manual for help.

Hope this helped!
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