Navier-Stokes Flow Analysis for Hydraulic Turbine Draft Tubes
1990 ◽
Vol 112
(2)
◽
pp. 199-204
◽
Keyword(s):
Three-dimensional turbulent viscous flow analyses for hydraulic turbine elbow draft tubes are performed by solving Reynolds averaged Navier-Stokes equations closed with a two-equation turbulence model. The predicted pressure recovery factor and flow behavior in the draft tube with a wide range of swirling flows at the inlet agree well with experimental data. During the validation of the Navier-Stokes flow analysis, particular attention was paid to the effect of grid size on the accuracy of the numerical result and the importance of accurately specifying the inlet flow condition.
Keyword(s):
2015 ◽
Vol 772
◽
pp. 552-555
◽
2008 ◽
Vol 366
(1873)
◽
pp. 2233-2248
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Keyword(s):
Keyword(s):
2021 ◽
Vol 15
(3)
◽
pp. 8440-8449
Keyword(s):