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Keywords: axial turbine
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Proceedings Papers

Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A012, June 7–11, 2021
Paper No: GT2021-59701
... allows for high turbine the circulation level calculated from axial planes underpredicted the true circulation by up to 50%. entry temperatures, which are essential to produce high cycle efficiency. Purge air is bled from the compressor and Keywords: Axial Turbine, Secondary Flows, Purge, reintroduced...
Proceedings Papers

Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A007, June 7–11, 2021
Paper No: GT2021-59219
... pitch-to-chord ratios, which lead to a reduction in overall profile losses, and higher velocity ratios and lower turning angles, which reduce airfoil secondary flows and three-dimensional losses. axial turbine high speed turbine intermediate pressure turbine geared turbofan aerodynamic design...
Proceedings Papers

Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A022, June 7–11, 2021
Paper No: GT2021-59414
... model result. The work fluid considered in this secondary flow making the flowfield even more turbulent and work was water, the same fluid used in the NASA test facility. complex. Moreover, the flow that leaks in the tip region does not Keywords: Turbomachinery, Axial Turbine, CFD, participate...
Proceedings Papers

Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT36A015, June 7–11, 2021
Paper No: GT2021-59682
... Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual, Online GT2021-59682 IMPROVEMENT OF AERODYNAMIC AND STRENGTH CHARACTERISTICS OF A MULTI-SHAFT AXIAL TURBINE OF A TURBOSHAFT ENGINE Grigorii Popov Evgenii Goriachkin Dr. Igor...
Proceedings Papers

Proc. ASME. GT2021, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V007T16A001, June 7–11, 2021
Paper No: GT2021-01559
... losses, an ORC axial turbine based expander is designed that accommodates variable speed operation. The referred design includes mean-line calculations and three-dimensional computational fluid dynamics (CFD) based numerical simulations at design and off design point conditions. organic Rankine...
Proceedings Papers

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A015, September 21–25, 2020
Paper No: GT2020-15117
...Abstract Abstract Diffuser is a key component affecting the aerodynamic performance of an axial turbine significantly. However, there is little research on the matching parameters between a rotor and a diffuser. In present study, effect of matching parameters which are normalized axial...
Proceedings Papers

Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T31A015, September 21–25, 2020
Paper No: GT2020-15651
...PROFILE LOSS INVESTIGATIONS WITH A S-CO2 AXIAL TURBINE AEROFOIL R Senthil Kumaran1, Dilipkumar B Alone2, Pramod Kumar3 1CSIR-National Aerospace Laboratories & Indian Institute of Science, Bengaluru, India 2CSIR-National Aerospace Laboratories, Bengaluru, India 3Indian Institute of Science...
Proceedings Papers

Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T22A002, September 21–25, 2020
Paper No: GT2020-15219
... can provide acceptable results in the configuration under investigation. organic Rankine cycle axial turbine real gas CFD supersonic partial admission loss model NUMERICAL INVESTIGATION OF A PARTIALLY LOADED SUPERSONIC ORC TURBINE STAGE Karl Ziaja1, Pascal Post1, Marwick Sembritzky1...
Proceedings Papers

Proc. ASME. GT2008, Volume 6: Turbomachinery, Parts A, B, and C, 1419-1426, June 9–13, 2008
Paper No: GT2008-51340
..., are illustrated with spectral measurements immediately downstream a single-stage turbine using the Chalmers large-scale turbine facility. The spectra are obtained from area traverses with a 2-component hot-wire. Turbulence Integral length scales Spectral analysis Axial turbine Intermediate turbine duct...
Proceedings Papers

Proc. ASME. GT2004, Volume 5: Turbo Expo 2004, Parts A and B, 993-1002, June 14–17, 2004
Paper No: GT2004-53039
... The tip-leakage losses in axial turbines with unshrouded rotor blades can account for as much as one third of the total losses. Various effects are influencing the tip-leakage flow and losses. This paper presents results of an experimental investigation concerning off-design incidences. Off...
Proceedings Papers

Proc. ASME. GT2005, Volume 6: Turbo Expo 2005, Parts A and B, 1107-1116, June 6–9, 2005
Paper No: GT2005-68503
... of a highly loaded, high-pressure axial turbine. Computational Fluid Dynamic (CFD) simulations are an innovative and powerful tool for studying inlet temperature distortion and can be integrated in the early phases of the design process. This paper discusses the 3D CFD steady state simulation...