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Keywords: computational fluid dynamics
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Proceedings Papers

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A010, June 7–11, 2021
Paper No: GT2021-58956
..., a swirl brake (SB) is a mechanical element installed to reduce (even reverse) the swirl velocity entering an annular seal. SB design guidelines are not readily available and existing configurations appear to reproduce a single source. By using a computational fluid dynamics (CFD) model, the paper details...
Proceedings Papers

Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A026, June 7–11, 2021
Paper No: GT2021-59166
... comparable improvements to its ad- joint counterpart with a reduced computational cost, and can Design optimisation based on Computational Fluid Dynam- scale better to multi-objective optimisation applications. ics (CFD) is one of the primary tools engineers have used to im- prove their aerodynamic designs...
Proceedings Papers

Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A023, June 7–11, 2021
Paper No: GT2021-59780
... research is very limited in its ability to analyze them. Because of this, computational fluid dynamic (CFD) simulations using RANS were used as a way to analyze these internal flow fields. To isolate the effects of the impingement jet, results were compared to a pseudo-plenum internal feed, and rotation...
Proceedings Papers

Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A042, September 21–25, 2020
Paper No: GT2020-16081
... relatively higher levels of nitrous oxide (N 2 O) then this might raise concerns with respect to global warming. aero engine computational fluid dynamics turbulence-chemistry interactions sequential or secondary combustor NOx emissions NUMERICAL STUDIES OF NOVEL AERO ENGINE SECONDARY COMBUSTORS...
Proceedings Papers

Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A033, September 21–25, 2020
Paper No: GT2020-15269
... Computational Fluid Dynamics (CFD) for the coolant/blade interaction and one-dimensional models developed at EthosEnergy for the redistribution of the cooling flows in the cavities. The mutual effects between the coolant fluid and the blade are analyzed using a Conjugate Heat Transfer (CHT) approach with Star...
Proceedings Papers

Proc. ASME. GT2020, Volume 12: Wind Energy, V012T42A014, September 21–25, 2020
Paper No: GT2020-15705
...Abstract Abstract The high-fidelity computational fluid dynamics (CFD) simulations of a complete wind turbine model usually require significant computational resources. It will require much more resources if the fluid-structure interactions between the blade and the flow are considered...
Proceedings Papers

Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T31A004, September 21–25, 2020
Paper No: GT2020-14406
... as risk mitigation analyses. Keywords: oxy-combustion, supercritical CO2, Computational Fluid Dynamics, CFD, tabulated chemistry, real fluid, contaminants, NOx, SOx. NOMENCLATURE API Application Programming Interface FPV Flamelet Progress Variable MTS Multi-Time Scale NOx Nitrogen Oxides PDF Probability...
Proceedings Papers

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A022, September 21–25, 2020
Paper No: GT2020-15959
... turbines; computational fluid dynamics, fluid-structure interaction, aeroelasticity; direct numerical simulation method; harmonic balance method NOMENCLATURE U Vector of conservative variables Fluid volume S Surface Inviscid flux vectors Viscid flux vectors ST Source term R Lumped residual and source...
Proceedings Papers

Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A006, September 21–25, 2020
Paper No: GT2020-14262
... efficiency condition. Therefore, it’s necessary to consider the flow field structure of axial compressors at whole operating conditions in the design process and use the design freedom of sweep to improve the aerodynamic performance. compressor design optimization computational fluid dynamics...
Proceedings Papers

Proc. ASME. GT2020, Volume 1: Aircraft Engine; Fans and Blowers, V001T10A013, September 21–25, 2020
Paper No: GT2020-16047
... subjected to adverse environmental conditions. Computational Fluid Dynamics (CFD) is seen as an alternative, more accurate analysis tool. The model used in the present study co-simulates the CFD using ANSYS Fluent ® to model the air-side with a system-level model in Flownex ® to represent the steam-side...
Proceedings Papers

Proc. ASME. GT2012, Volume 6: Oil and Gas Applications; Concentrating Solar Power Plants; Steam Turbines; Wind Energy, 395-402, June 11–15, 2012
Paper No: GT2012-68368
... non-equilibrium steam relaxation process Computational Fluid Dynamics iso-kinetic efficiency steam turbine Most non-equilibrium wet steam CFD analyses in the open literature have concentrated on predicting blade pressure loadings, with very few studies emphasizing turbine efficiencies...
Proceedings Papers

Proc. ASME. GT2012, Volume 4: Heat Transfer, Parts A and B, 1259-1268, June 11–15, 2012
Paper No: GT2012-68325
... persists within the passage. high pressure turbine endwall cooling concepts heat transfer film cooling effectiveness computational fluid dynamics REDUCING THE DEMAND OF COOLANT AT THE SIDEWALL OF A HIGH PRESSURE TURBINE CASCADE BY MEANS OF SLOT WIDTH MODULATION Michael Woopen Institute...
Proceedings Papers

Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 745-756, June 11–15, 2012
Paper No: GT2012-69062
... complex flow field within the turbocharger stage and significantly impact its performance characteristics which is not fully understood. The main objective of this paper is to provide understanding of unsteady flow feature using a Computational Fluid Dynamics (CFD) approach validated with experimental...
Proceedings Papers

Proc. ASME. GT2010, Volume 6: Structures and Dynamics, Parts A and B, 175-185, June 14–18, 2010
Paper No: GT2010-22667
... coefficients, while leakage performance remains relatively unaffected. The capability of the brush seal model based on the porous medium approach to predict rotordynamic coefficients is discussed. rotordynamics measurement porous medium approach computational fluid dynamics Proceedings of ASME...
Proceedings Papers

Proc. ASME. GT2010, Volume 6: Structures and Dynamics, Parts A and B, 11-23, June 14–18, 2010
Paper No: GT2010-22058
... damping whirl eccentricity inlet swirl magnetic actuator computational fluid dynamics whirling rotor method short staggered labyrinth seal Proceedings of ASME Turbo Expo 2010: Power for Land, Sea and Air GT2010 June 14-18, 2010, Glasgow, Scotland GT2010-22058 ANALYSIS OF THE EXPERIMENTAL AND CFD...
Proceedings Papers

Proc. ASME. GT2010, Volume 5: Industrial and Cogeneration; Microturbines and Small Turbomachinery; Oil and Gas Applications; Wind Turbine Technology, 281-289, June 14–18, 2010
Paper No: GT2010-22263
... loss porous media heat exchanger aero engine computational fluid dynamics Copyright © 2010 by ASME 1 Proceedings of ASME Turbo Expo 2010: Power for Land, Sea and Air GT2010 June 14-18, 2010, Glasgow, UK GT2010-22263 MODELING AN INSTALLATION OF RECUPERATIVE HEAT EXCHANGERS FOR AN AERO ENGINE...
Proceedings Papers

Proc. ASME. GT2009, Volume 6: Structures and Dynamics, Parts A and B, 657-667, June 8–12, 2009
Paper No: GT2009-59173
... of the seal performance is based on computational fluid dynamics (CFD). A full 3D eccentric CFD model of the seal including upstream and downstream regions is constructed in ANSYS CFX. The solution procedures for prediction of rotordynamic coefficients are discussed and compared. The whirling rotor method...
Proceedings Papers

Proc. ASME. GT2009, Volume 5: Microturbines and Small Turbomachinery; Oil and Gas Applications, 221-229, June 8–12, 2009
Paper No: GT2009-60014
... the predicted pressure drop and heat transfer with available experimental measurements carried-out on the heat exchanger model. Pressure loss porous media heat exchanger aero engine computational fluid dynamics Tu M FO im in na str consumption and pollutant emissions. Two basic parameters...
Proceedings Papers

Proc. ASME. GT2009, Volume 3: Heat Transfer, Parts A and B, 1387-1396, June 8–12, 2009
Paper No: GT2009-59652
... 23 02 2010 This paper presents the thermal and fluid dynamic analysis of the gas turbine transition piece, applying the Finite Volume Method (FVM) through the Computational Fluid Dynamics (CFD). The study is carried out to examine the flow field and distribution of temperatures...
Proceedings Papers

Proc. ASME. GT2008, Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Manufacturing, Materials and Metallurgy; Microturbines and Small Turbomachinery, 163-172, June 9–13, 2008
Paper No: GT2008-51008
... been studied, with the use of 3-D Computational Fluid Dynamics. This qualitative analysis comprises of full scale aircraft simulation with special focus on the flow-field upstream and inside the novel installation. The study required the creation of a detailed map of the intake for cruise and take-off...