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Keywords: computational fluid dynamics
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Proceedings Papers

Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T10A001, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101056
... computational fluid dynamics aeroacoustics tonal noise fan acoustics high-order finite element harmonic balance Abstract For numerous applications, mitigation of ducted fans noise emission is a major design challenge. In the context of aircraft propulsion for example, certification...
Proceedings Papers

Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T09A002, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101441
... energy storage centrifugal compressors and pumps computational fluid dynamics cycle performance Abstract Decarbonization of energy systems is expected to require significant amounts of energy storage. Among the different technologies studied, thermo-mechanical storage is being...
Proceedings Papers

Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT14A012, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102900
... conjugate heat transfer computational fluid dynamics buoyancy-induced flow rotating cavity Abstract Robust methods to predict heat transfer are vital to accurately control the blade-tip clearance in compressors and the radial growth of the discs to which these blades are attached...
Proceedings Papers

Proc. ASME. GT2023, Volume 9: Microturbines, Turbochargers, and Small Turbomachines; Oil and Gas Applications, V009T18A006, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102186
... friction pump computational fluid dynamics Proceedings of ASME Turbo Expo 2023 Turbomachinery Technical Conference and Exposition GT2023 June 26-30, 2023, Boston, Massachusetts, USA GT2023-102186 INSIGHTS INTO THE FLOW FIELD AND PERFORMANCE OF A BOUNDARY LAYER PUMP Kyril Palaveev , David John Rajendran...
Proceedings Papers

Proc. ASME. GT2023, Volume 9: Microturbines, Turbochargers, and Small Turbomachines; Oil and Gas Applications, V009T18A002, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101192
..., particularly for low-head applications. Tesla expanders computational fluid dynamics energy harvesting bladeless turbine small turbomachinery stator less volute Proceedings of ASME Turbo Expo 2023 Turbomachinery Technical Conference and Exposition GT2023 June 26-30, 2023, Boston, Massachusetts...
Proceedings Papers

Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A004, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101046
... in the bearing temperatures. Therefore, the bearing thermal management starts to play a major role in extending the machine operability and reducing the maintenance frequency. A full three-dimensional (3D) parametric conjugate heat transfer Computational Fluid Dynamic (CFD) model for Tilting Pad Journal Bearings...
Proceedings Papers

Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A004, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101568
... of these simulations, it is critical to accurately capturing the physics of these systems. oxycombustion supercritical carbon dioxide (sCO 2 ) equation of state computational fluid dynamics Proceedings of ASME Turbo Expo 2023 Turbomachinery Technical Conference and Exposition GT2023 June 26-30, 2023...
Proceedings Papers

Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A005, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101612
... is evaluated in terms of the geometry, focusing on heat transfer and turbulence, using computational fluid dynamic (CFD) simulations with SST k-ω turbulence model and real-gas models with REFPROP library for thermodynamic and transport properties. Within each fluid, the diameter of the channels varied from 1.8...
Proceedings Papers

Proc. ASME. GT2023, Volume 13A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V13AT29A003, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100717
... did not reduce the losses further. However, the circular lateral platform shape combined with smaller front gap chamfers proved more beneficial in a throttled state. hub leakage inter-platform gaps axial compressor real geometry effects computational fluid dynamics Proceedings of ASME...
Proceedings Papers

Proc. ASME. GT2023, Volume 1: Aircraft Engine, V001T01A013, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101498
..., together with simulation turnaround times. All methodologies show promising results that could improve current industrial development processes. Keywords: Soak-back, lattice-Boltzmann method, computational fluid dynamics, natural convection, helicopter engine, convection heat transfer coefficient. 1...
Proceedings Papers

Proc. ASME. GT2023, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A005, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100851
... on the simulations. Keywords: rotating detonation combustion, computational fluid dynamics, NOX formation, oxides of nitrogen, chemical kinetics NOMENCLATURE Cmix mixing constant D mesh size (m) turbulent dissipation rate (m2/s3) EAP k Pair.in,tot Pgain * c mix Yi equivalent average pressure (Pa...
Proceedings Papers

Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A056, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103822
... to the basket. A linear increase in NOx emission is also associated to hydrogen addition, thus suggesting the need for NOx abatement technologies (e.g., water injection). Keywords: Hydrogen, Combustion, Lifetime Extension, Gas Turbine, Computational Fluid Dynamics 1 Contact author: simone.salvadori@polito.it...
Proceedings Papers

Proc. ASME. GT2023, Volume 5: Cycle Innovations, V005T06A005, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101600
... of the flow shows a significant effect on local properties and therefore on local and average heat transfer. Increasing the steam loading up to 40% results in an increase of the average Nusselt number of 17%. heat recovery steam generator computational fluid dynamics Proceedings of ASME Turbo Expo...
Proceedings Papers

Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT32A024, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102875
... near design point. There is still room for improvements near the end-walls, mostly due to the lack of hub boundary layer model in the actual methodology. These results still build a step on which the enrichment of the flow model can be pursued. Keywords: Computational Fluid Dynamics, Throughflow method...
Proceedings Papers

Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT32A006, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101020
... centrifugal compressors and pumps data analysis design optimization digitalization computational fluid dynamics finite element methods Abstract We present the concept of an enhanced Cordier diagram as a digital tool. The enhanced Cordier diagram is designed to replace the original...
Proceedings Papers

Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT31A006, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102745
... the case of severe sandstorms. gas turbine parts contamination filter house parts repair and replacement computational fluid dynamics sand dust particles size distribution contamination compressor hot section Proceedings of ASME Turbo Expo 2023 Turbomachinery Technical Conference...
Proceedings Papers

Proc. ASME. GT2023, Volume 14: Wind Energy, V014T37A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102801
...: Savonius rotor, Bio-inspired blade, Reynolds number, Power coefficient, Computational fluid dynamics. NOMENCLATURE A Projected area of rotor (H × D) CP Power coefficient CPr Pressure coefficient CT Torque coefficient D Rotor diameter d Blade diameter or chord length dl Elemental blade length Do End plate...
Proceedings Papers

Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT36A022, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103908
... are not measured and do not often appear in literature. In addition, the unsteady pressure contributions have not previously been split up between the enforced motion and the vortex shedding, making this work novel. Keywords: Aeroelasticity, Unsteady Aerodynamics, Vortex Shedding, Computational Fluid Dynamics...
Proceedings Papers

Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101917
... and experimental results were compared and the validity of the method was assessed. Keywords: roughness, microchannels, Tesla turbine, Computational Fluid Dynamics NOMENCLATURE e specific energy k turbulence kinetic energy ks sand grain roughness l arm of force transducer M torque n rotational speed P power p...