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Fluent Tutorial Guide Ch. 17: Non-Premixed Combust, THTR

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Old   January 22, 2014, 21:59
Unhappy Fluent Tutorial Guide Ch. 17: Non-Premixed Combust, THTR
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DLK
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Just finished the Chapter 17 FLUENT tutorial; Using the Non-Premixed Combustion Model. I'm looking at the Total Heat Transfer Rate (THTR) at the Pressure Outlet and the value is 162,000 Watts (POSITIVE). Having a hard time understanding why the THTR would be positive at an outlet that is discharging a lot of hot gas. This boundary is set at 1300 K per the tutorial instructions and temperature plot of the gases near the outlet looks to be about 1400 K. Downloaded the Tutorial and mesh files from the Ansys Website. Any ideas on how to interpret this positive number, which per the tutorial means heat flow INTO the domain? (Also can't see the fuel inlet - 5 on the plot of the mesh. In other words, where is the surface introducing the fuel? I CAN see the air inlet) -dlk

Last edited by MAE7509; January 24, 2014 at 13:05. Reason: typo, clarification
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