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To find the temperature at the wall, click on insert >> location >> point, and name it Tw exit. Select In the Details of Tw exit window, set Method to XYZ and enter 8.64, 0.06, 0 to define the coordinate of a point. Click Apply to create a point at the upper right corner of the pipe. Click on Expression right below and right click in the window to create a new expression named Tw. Under Details of Tw panel, enter probe(Temperature)@Tw exit in the Definition tab. Tw now gives the temperature at the location (8.64, 0.06, 0), which is on the exit pipe wall.
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To find the mean temperature at a given location in the pipe, click on insert >> location >> line, and name it exit. In the Details of exit window, set Method to Two Points and enter (8.64, 0, 0) for Point 1 and (8.64, 0.06, 0) for Point 2. Click Apply to create a line at the exit of the pipe. The mean temperature is the area weighted average temperature and we can use integral to find the appropriate mean Temperature:
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To export the data, click on the "export" button.  Comma Seperated Value (.csv) is able to be read by matlab and Excel, so it should be fine.

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