... Abstract In this study, CFD parameter variations are performed to investigate propeller-wing interactions. For this purpose, the solver TAU of the German Aerospace Center with the integrated Actuator Disk is used. The 2.5D setup studied consists of a wing segment with constant chord length...

.... CFD hydrogen hydrogen micromix momentum flux ratio NOx correlation low emission Proceedings of ASME Turbo Expo 2023 Turbomachinery Technical Conference and Exposition GT2023 June 26-30, 2023, Boston, Massachusetts, USA GT2023-103111 NUMERICAL INVESTIGATION INTO THE IMPACT OF OPERATING BOUNDARY...

... Abstract Crosswind can reduce the operability of an aeroengine significantly at static or near static operating conditions. CFD predictions of the flow at crosswind conditions will play an important part in future designs, however, accurate numerical predictions of the flow within the intake...

... technologies. CFD models are used to assess the design, performance, and emissions of novel combustion systems. Atomization modelling is often facilitated by using the Lagrangian approach with breakup models rather than the more complex and computationally expensive higher-fidelity Volume-of-Fluid (VOF...

.... Computational Fluid Dynamics (CFD) was used to design the test hardware using target flows associated with a Solar Turbines industrial engine. A statistically designed test plan was adopted to study the effect of air split, air swirl, and fuel swirl on the combustion performance. A Box-Behnken three level...

... such as surrogate-based optimization, relying heavily on Computational Fluid Dynamics (CFD) along with automated optimization procedures, can be used to design these injectors. One important point is that 3D geometrical models and high-fidelity numerical approaches are often mandatory to capture key features...

...) the stabilization of a highly swirled premixed hydrogen/air flame which is observed to be compact. hydrogen flashback swirl flame stabilization FGM CFD Proceedings of ASME Turbo Expo 2023 Turbomachinery Technical Conference and Exposition GT2023 June 26-30, 2023, Boston, Massachusetts, USA GT2023...

... and minimizes the unsteadiness. A CFD simulation with constant area cross-section for pure CH 4 with enriched-oxygen air is validated with experimental data followed by the validation of the rapid to gradual area reduction (RTG) profile simulation with experiments. The benefits of the RTG profile are compared...

... concentration increases. The effect of adding hydrogen on species concentrations was also discussed in detail. combustor gas turbine hydrogen blend Flamesheet premixed combustion CFD Proceedings of ASME Turbo Expo 2023 Turbomachinery Technical Conference and Exposition GT2023 June 26-30, 2023...

... boundary layer total pressure probe rake measurements, FRS optical rake measurements, and computational fluid dynamics (CFD) results in the inlet of a Honeywell TFE731-2 turbofan are presented. Results show that all three techniques (FRS, probe, and CFD) match within approximately 2% root-mean-square error...

... Abstract The present study aims to investigate the flow field of the cavity, that is bordered by HPT rotor disk and LPT stator disk, via CFD and 1D flow solver for a symbolic engine geometry. The cavity has two outlet regions, namely disk rim side and labyrinth seal side, and one inlet...

... Abstract This article focuses on a radial preswirler system using CFD, and the effect of different parameters such as the number and the angle of the holes at the preswirl nozzle exit, and the diameter of the preswirl nozzles have been investigated. Three-dimensional steady CFD simulations...

...% for cylindrical, rectangular, and ribbed-type diverters, respectively. heat transfer impingement cooling crossflow analysis thermal management CFD turbulence modeling Proceedings of ASME Turbo Expo 2023 Turbomachinery Technical Conference and Exposition GT2023 June 26-30, 2023, Boston, Massachusetts...

... the amount of coolant. heat flux unsteady flow CFD nozzle guide vane Proceedings of ASME Turbo Expo 2023 Turbomachinery Technical Conference and Exposition GT2023 June 26-30, 2023, Boston, Massachusetts, USA GT2023-101446 TRANSIENT HEAT FLUX BUDGETING ON A HIGH-PRESSURE TURBINE Jorge Saavedra1...

... dissimilarity between heat transfer and drag as fully-rough conditions are approached. turbulence heat transfer CFD Proceedings of ASME Turbo Expo 2023 Turbomachinery Technical Conference and Exposition GT2023 June 26-30, 2023, Boston, Massachusetts, USA GT2023-102138 HIGH-FIDELITY COMPUTATIONAL...

... for the smooth serpentine channel caused by strong vortical flow generated downstream of the U-bends. gas turbine cooling rib turbulators CFD RANS experiment internal cooling overall cooling effectiveness serpentine channel multi-pass channel Proceedings of ASME Turbo Expo 2023 Turbomachinery...

... Abstract This article aims at the investigation of rotor-rotor cavity flowfield using CFD and one-dimensional flow solver for a representative engine configuration. The numerical approach is validated against the test data of Firuzian et. al. for a simpler rotor-rotor cavity geometry, in terms...

... equation of state (EOS), to illustrate impacts on flows and pressure profiles when considering highly compressible real gas effects for typical high density refrigerant flows within such bearings. thin fluid film gas bearings inlet dead volume (IDV) thrust bearings Navier-Stokes equations CFD...

... on a longer-term use, to replace one day heart transplant. Today’s MCSs are mostly centrifugal pumps, and the scientific knowledge of their internal flow has been widened using Computational Fluid Dynamics (CFD). Numerical simulations are a way to predict a pump’s internal flow topology, gather information...

... of the solid domain with minimum computational effort. Indeed, by performing two steady-state CHT calculations and one steady-state computational fluid dynamics (CFD) calculation, time-dependent boundary conditions can be derived in terms of convective heat transfer coefficient and near-wall fluid temperature...