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Keywords: secondary flow
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Proceedings Papers

Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT36A005, June 7–11, 2021
Paper No: GT2021-58603
... Design Optimization (RDO), optimization under uncertainties, axial A robust design optimization of a 1.5 stage axial compressor compressor, secondary flow with secondary flows from Safran Aero Boosters is investigated. A total of 9 simultaneous operational and geometrical NOMENCLATURE uncertainties...
Proceedings Papers

Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A005, June 7–11, 2021
Paper No: GT2021-58551
... are expected to decrease efficiency, whereas streamwise vorticity generation is expected to increase efficiency. axial compressor unsteady experimental shrouded hub corner separation secondary flow wake stretching Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference...
Proceedings Papers

Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A024, September 21–25, 2020
Paper No: GT2020-15389
... transfer parameter with the cutted-root rib design was greater than the original case without cutted-root rib. cutted-root rib secondary flow RANS analysis Nusselt number thermal performance factor HEAT TRANSFER PERFORMANCE OF INTERNAL COOLING TURBINE BLADES USING CUTTED-ROOT RIB DESIGN Cong...
Proceedings Papers

Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A027, September 21–25, 2020
Paper No: GT2020-15772
... axial turbine cascade transonic flow secondary flow shock wave CFD EFFECTS OF SHOCK WAVE DEVELOPMENT ON SECONDARY FLOW BEHAVIOR IN LINEAR TURBINE CASCADE AT TRANSONIC CONDITION Hoshio Tsujita 1 , Masanao Kaneko 2 1 Hosei University, Koganei-shi, Tokyo, Japan 2 Tokyo Denki University, Hiki...
Proceedings Papers

Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A077, September 21–25, 2020
Paper No: GT2020-16314
... separation near the suction side and comparatively strong secondary flow near the pressure side make similar contributions to endwall loss at design point for the baseline configuration, while the shear flow of the blade tip and the endwall boundary layer are regarded as important sources of loss...
Proceedings Papers

Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 989-998, June 11–15, 2012
Paper No: GT2012-68088
... and partially cooled vane (only hub cooling) configurations. Data presented at the downstream plane include concentration contour, axial vorticity, velocity vectors, and yaw and pitch angles. From these investigations, secondary flow structures such as the horseshoe vortex, passage vortex, can be identified...
Proceedings Papers

Proc. ASME. GT2011, Volume 4: Cycle Innovations; Fans and Blowers; Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Oil and Gas Applications, 405-413, June 6–10, 2011
Paper No: GT2011-45475
... formations of the stable and intense vortex in the shroud tip- groove and of the secondary flow moving circumferentially along the shroud wall toward the impeller exit. In the present study, the influence of the rotating jet-wake flow discharged from the impeller on the vortex in the shroud tip-groove...
Proceedings Papers

Proc. ASME. GT2009, Volume 3: Heat Transfer, Parts A and B, 371-382, June 8–12, 2009
Paper No: GT2009-59412
.... turbine cascade endwall film cooling secondary flow Finite-Element-analysis temperature-sensitive paint fI V e i d le Chander Prakash Siemens Energy, Inc. Kenneth Landis Florida Turbine Technologies, Inc. A a ca b o ae p u d o u sh m ad co co en th an K fl d. Proceedings of ASME Turbo Expo 2009...
Proceedings Papers

Proc. ASME. GT2008, Volume 4: Heat Transfer, Parts A and B, 989-998, June 9–13, 2008
Paper No: GT2008-51096
.... Little information can be found in the literature about how load variation affects endwall film cooling. As the secondary flow, driven by the circumferential and radial pressure gradient, is intensified with higher cascade load, strong interaction of the coolant injected in the near-wall cross flow...
Proceedings Papers

Proc. ASME. GT2008, Volume 6: Turbomachinery, Parts A, B, and C, 509-518, June 9–13, 2008
Paper No: GT2008-50888
..., and pitch-wise location for the endwall fence. The optimum lengths, height, pitch-wise or span-wise location of the fences on the cascade end walls are obtained. The process of endwall fence’s controlling secondary flow in the compressor cascade mainly lies in two ways: hindering crosswise flow from...
Proceedings Papers

Proc. ASME. GT2008, Volume 6: Turbomachinery, Parts A, B, and C, 1031-1039, June 9–13, 2008
Paper No: GT2008-50239
... 04 08 2009 The influence of secondary flows on the performance of turbines has been investigated in great detail in the last decades. The interaction of vortices with following blade rows has been identified to be one of the loss mechanisms within a turbo-machine. This paper presents...
Proceedings Papers

Proc. ASME. GT2002, Volume 3: Turbo Expo 2002, Parts A and B, 341-347, June 3–6, 2002
Paper No: GT2002-30197
... 05 02 2009 An accurate design of a guide vane has become a major issue in gas turbine engineering since secondary flow in vane cascade has a significant effect on the end wall and airfoil suction surfaces. Heat transfer and average flow measurements were performed in a linear guide...
Proceedings Papers

Proc. ASME. GT2006, Volume 6: Turbomachinery, Parts A and B, 141-152, May 8–11, 2006
Paper No: GT2006-90218
... uniform total pressure distribution in the front stages and a better match of the sweep in stages 2 and 3. axial compressor 3D blade design secondary flow CDA forward sweep Proceedings of GT2006 ASME Turbo Expo 2006: Power for Land, Sea and Air May 08-11, 2006, Barcelona, Spain...