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Enter 98338.2 under Operating Pressure and click OK.

Next we will specify the boundary condition for the centerline.

Boundary Conditions > centerline

Change the Type to  axis and click OK. FLUENT will set the flow gradients at this boundary in accordance with the axisymmetric assumption.

Now let's set up specify the boundary condition at the walls. By default, FLUENT correctly picks the Wall boundary type for these boundaries. It will impose the no-slip condition for velocity at these boundaries. Additionally, for the heated wall section, we need to specify the heat flux into the flow.

Boundary Conditions > heated_section > Edit...

A new Wall window will open. Click on Thermal tab and enter 3473.9 next to Heat Flux (w/m2) and click OK.

https://confluence.cornell.edu/download/attachments/111221574/heated%20wall.png

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 Now click on Thermal tab and enter 298.15K for Temperature. Click OK to close the window.
 
Finally, set up the outlet boundary condition:
Boundary Conditions > Outlet
FLUENT selects the pressure-outlet boundary type and its guess turns out to be right. 

Click Edit... to set to specify the gauge pressure at the outlet. Enter -1112.3 for Gauge Pressure (From experiment, measured outlet pressure is 97225.9 Pa. Corresponding gauge pressure = 97225.9 Pa - operating pressure = -1112.3 Pa)

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