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Keywords: turbine
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Proceedings Papers

Proc. ASME. FEDSM2020, Volume 3: Computational Fluid Dynamics; Micro and Nano Fluid Dynamics, V003T05A057, July 13–15, 2020
Paper No: FEDSM2020-20344
... quality as the results based on DNS and LES with less time and less computational power same as that on URANS. This paper shows an adaptive simulation method based on URANS and Ensemble Kalman Filter (Enkf) to reproduce the flow fields based on LES. In this study, a two-dimensional turbine cascade flow...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A076, July 28–August 1, 2019
Paper No: AJKFluids2019-5367
...Abstract Abstract The aerodynamic loss accounted to the secondary flow, or secondary loss is one of the most prominent causes of the internal losses in turbine cascades. The secondary flow losses are mostly due to the interaction between horseshoe vortex and endwall crossflow. The authors have...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A027, July 28–August 1, 2019
Paper No: AJKFluids2019-5612
...Abstract Abstract We performed numerical simulation to understand deposition phenomena on high-pressure turbine vane. Several deposition models were compared and the OSU model showed good adaptation to any flow field and material, so it was implemented on UPACS. After the implementation...
Proceedings Papers

Proc. ASME. FEDSM2009, Volume 1: Symposia, Parts A, B and C, 35-40, August 2–6, 2009
Paper No: FEDSM2009-78052
... turn in normal or reverse directions which define eight different working zones called pump, turbine, brake and booster. Specific speed is an essential parameter which affects characteristics of pumps. In the literature, for many years there have been only three complete pump characteristics obtained...
Proceedings Papers

Proc. ASME. FEDSM2007, Volume 2: Fora, Parts A and B, 47-55, July 30–August 2, 2007
Paper No: FEDSM2007-37426
... 26 03 2009 Considering such factors as the original load of turbine, closure time of wicket gate, and water level of reservoir are changeable in the practical operation of waterpower station, they should be regarded as random variables in water hammer analysis. Accordingly, random...
Proceedings Papers

Proc. ASME. HT-FED2004, Volume 2, Parts A and B, 85-93, July 11–15, 2004
Paper No: HT-FED2004-56032
... (IWK), University of Karlsruhe, Kaiser Str. 12, D 76128, Karlsruhe, Germany Natanasabapathi / Kirloskar Brothers Limited (KBL), Udyog Bhavan, Tilak Road, Pune-411002, India ABSTRACT This paper presents a detailed hydraulic analysis of the effects of the casing eye rib on a pump operating as a turbine...
Proceedings Papers

Proc. ASME. FEDSM2005, Volume 2: Fora, 125-131, June 19–23, 2005
Paper No: FEDSM2005-77460
... 14 10 2008 A pump with a specific speed of 12000 was chosen to operate as a turbine (PAT) for a micro-hydro site having 5 m of head. Turbine performance of the pump was unavailable so it was simulated using CFD. The CFD model was first verified by comparison of simulated pump...