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Keywords: impingement vortex
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Proceedings Papers

Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A041, September 21–25, 2020
Paper No: GT2020-15076
...-discovered Impingement Vortex, which redefines our understanding of the aerodynamics of flow in a modern, film- cooled, first-stage vane row. The second part investigates, through thermal measurements, the distribution, mixing and disruption of cooling flows over the endwall. Measurements are made...
Proceedings Papers

Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A055, September 21–25, 2020
Paper No: GT2020-15581
..., the suction surface remains largely unchanged. endwall cooling vane surface cooling secondary flows impingement vortex NOZZLE PASSAGE ENDWALL EFFECTIVENESS VALUES WITH VARIOUS COMBUSTOR COOLANT FLOW RATES: PART 2 ENDWALL AND VICINITY SURFACE EFFECTIVENESS MEASUREMENTS Kedar P. Nawathe1, Rui Zhu2...
Proceedings Papers

Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A060, September 21–25, 2020
Paper No: GT2020-15746
... conditions represent flow exiting a low-NOx combustor. Adiabatic surface thermal measurements and in-passage velocity and thermal field measurements are presented and discussed. The results show the dynamics of passage vortex suppression and the increase of impingement vortex strength as MFR changes...
Proceedings Papers

Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A056, September 21–25, 2020
Paper No: GT2020-15583
... impingement vortex NOZZLE PASSAGE ENDWALL EFFECTIVENESS VALUES WITH VARIOUS COMBUSTOR COOLANT FLOW RATES: PART 1 FLOWFIELD VELOCITY AND COOLANT CONCENTRATION MEASUREMENTS Kedar P. Nawathe1, Rui Zhu2, Enci Lin1, Yong W. Kim3 and Terrence W. Simon1 1University of Minnesota Twin Cities, Minneapolis, USA...
Proceedings Papers

Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A063, September 21–25, 2020
Paper No: GT2020-15926
... three-dimensional velocity fields with and without endwall film cooling. The aerodynamic measurements reveal a dominant vortex in the passage, named here as the Impingement Vortex, that opposes the passage vortex formed at the airfoil leading edge plane. This Impingement Vortex completely changes our...