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Keywords: aerodynamics
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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, 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 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A010, June 7–11, 2021
Paper No: GT2021-59555
... stages of high volume 2 Channel width, impeller width [m] flow coefficient are compared to each-other regarding their aerodynamic performance in design point and off-design point Impeller Exit Blockage conditions at different speed and IGV-setting angle: two stages with full-blade design (no splitter...
Proceedings Papers

Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T10A001, June 7–11, 2021
Paper No: GT2021-58505
... Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual, Online GT2021-58505 FEASIBILITY STUDY ON THE EFFECT OF BLADE INCLINATION FOR HEAVY DUTY CENTRIFUGAL FANS AERODYNAMIC ASPECTS Till M. Biedermann Youssef Moutamassik Frank...
Proceedings Papers

Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T06A003, June 7–11, 2021
Paper No: GT2021-59013
... for the considered dilute gas flow regime. aerodynamics turbines cascades Mach number organic Rankine cycle asymptotic expansion Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual, Online GT2021-59013 CRITICAL AND CHOKING MACH NUMBERS...
Proceedings Papers

Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T09A008, June 7–11, 2021
Paper No: GT2021-59470
... surface pressures and metal temperatures. These measurements indicated that both the aerodynamic and cooling performances of the turbine blades and vanes are highly consistent and repeatable over a range of operating conditions. Detailed comparisons of the measured engine pressures and temperatures...
Proceedings Papers

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A021, September 21–25, 2020
Paper No: GT2020-16065
... required radius change increases their aerodynamic loading. This is exacerbated for the duct which feeds the engine core as it must accept the relatively low-quality flow produced by the fan root. This is characterised by a hub-low pressure profile and large secondary flow structures which will inevitably...
Proceedings Papers

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A022, September 21–25, 2020
Paper No: GT2020-16318
...AN EXPERIMENTAL, AERODYNAMIC EVALUATION OF DESIGN CHOICES FOR A LOW- PRESSURE COMPRESSOR TRANSITION DUCT A Duncan Walker1, Ian Mariah1, Chris Hall2 1Department of Aeronautical and Automotive Engineering, Loughborough University, Loughborough, UK. (a.d.walker@lboro.ac.uk) 2Rolls-Royce plc, Derby, UK...
Proceedings Papers

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A026, September 21–25, 2020
Paper No: GT2020-16097
... correlation of total pressure loss coefficient versus circumferential synergy angle could be perceived. Keywords: Turbines; Aerodynamics; Computational fluid dynamics (CFD); Modeling; Internal flow NOMENCLATURE c blade chord length, m DC designed condition Eu Euler number EXP experiment G mass flow rate, kg/s...
Proceedings Papers

Proc. ASME. GT2020, Volume 12: Wind Energy, V012T42A014, September 21–25, 2020
Paper No: GT2020-15705
... validations of the nonlinear frequency domain solution method against the conventional time domain solution method reveal that the proposed frequency domain solution method can reduce the computational cost by one to two orders of magnitude. wind turbines aerodynamics aeroelasticity computational...
Proceedings Papers

Proc. ASME. GT2020, Volume 1: Aircraft Engine; Fans and Blowers, V001T01A045, September 21–25, 2020
Paper No: GT2020-16280
... systems for future advanced rotorcraft. Keywords: compound rotorcraft, coaxial rotor, redundant controls, optimization, gas turbines, environmental impact, aerodynamics, control, aerospace, design. NOMENCLATURE Acronyms CO2 Carbon dioxide DSE Design space exploration EMS Emergency medical services FADEC...
Proceedings Papers

Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A050, September 21–25, 2020
Paper No: GT2020-15374
... was 2.05% lower than the undistorted inlet. The CFD model show a 1.25% reduction. Similar reductions are shown for other operating points. BLI boundary layer ingestion fan modeling experimental aerodynamics CFD NUMERICAL MODELING AND DESIGN CHALLENGES OF BOUNDARY LAYER INGESTING FANS Adam...
Proceedings Papers

Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A014, September 21–25, 2020
Paper No: GT2020-14990
... an early transition onset in the midspan vane region and a late transition in the hub region. Furthermore, in the hub region, CFD is shown to overpredict the transverse flow and related losses. aerodynamics experimental CFD transition secondary flow structures IR-thermography turbine rear...
Proceedings Papers

Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A053, September 21–25, 2020
Paper No: GT2020-15479
... of the fan in static ground conditions is within the operating envelope of the fan without variable nozzle area. boundary layer ingestion fan aerodynamics CFD DESIGN AND PERFORMANCE OF A BOUNDARY LAYER INGESTING FAN Hans Mårtensson1, Martin Laban2 1GKN Aerospace Engine Systems, Trollhättan...
Proceedings Papers

Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 989-998, June 11–15, 2012
Paper No: GT2012-68088
... An experimental study has been performed in a transonic annular sector cascade of nozzle guide vanes to investigate the aerodynamic performance and the interaction between hub film cooling and mainstream flow. The focus of the study is on the endwalls, specifically the interaction between...
Proceedings Papers

Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 1457-1469, June 6–10, 2011
Paper No: GT2011-46038
... the Rolls-Royce in-house code HYDRA, with and without inlet swirl. 07 05 2012 Transonic turbine Heat transfer Aerodynamics HP rotor Rotor casing Combustor Swirl EFFECT OF AGGRESSIVE INLET SWIRL ON HEAT TRANSFER AND AERODYNAMICS IN AN UNSHROUDED TRANSONIC HP TURBINE Imran Qureshi...