Garrett Turbocharger - turbine outlet temperature -- CFD Online Discussion Forums

August 28, 2023, 00:41

Garrett Turbocharger - turbine outlet temperature

Vijay_Kunisetty

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Kunisetty Vijay Babu

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Can anyone explain why my turbine's temperature at the outlet (extruded) is increasing compared to the temperature at interface from which the outlet is extruded?

Boundary conditions that I've used

Inlet1&2 - Stagnation inlet - Total pr - 1 bar, Total temp - 600 C

Outlet - Pressure outlet - Static pr - 0 bar, static temperature - 400 C

ref pressure - 1 bar, MRF for rotating domain around impeller was created, RPM - 105000

Total mesh count - 2.4M cells

Results - Temperature at outlet - 523.59 C, Interface - 511.47 C, Isentropic efficiency - 56.54 %

Attached Images

turbine_temp_outlet.PNG (62.0 KB, 6 views)

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