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fluid flow from a rectangular pipe

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Old   May 10, 2019, 10:13
Default fluid flow from a rectangular pipe
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Raza Javed
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Hello Everyone,

I am modelling a fluid flow from a rectangular pipe. You can see in the figure attached.
(yellow region is fluid, and green region is pipe).

I know the Pressure, Velocity and Temperature of the fluid at the inlet.

Now, if due to some reason, some temperature rise from the outside of the pipe occurs, that will also raise the temperature of the fluid, then at the outlet the temperature of the fluid will be different. How can I find the temperature at the outlet?

And what boundary conditions for pressure, velocity and temperature would be suitable at inlet and outlet?

I shall be very thankful if someone can help me out in this.

Thank you
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boundary condition, pressure, temperature, velocity

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