...Kan Wang; Sanjeeb Bose; Christopher Ivey A single-stage transonic axial-flow fan is simulated using graphic processing unit (GPU)-accelerated wall-modeled large-eddy simulations. The computational meshes are generated using Voronoi diagram-based approach. Two types of mesh are employed for grid...

... Gas Turbine Institute (IGTI) of ASME for publication in the J ournal of T urbomachinery . 15 08 2024 04 10 2024 04 10 2024 13 01 2025 computational fluid dynamics (CFD) fan compressor and turbine aerodynamic design European Commission 10.13039/501100000780...

... for publication in the J ournal of T urbomachinery . 29 07 2024 02 11 2024 04 11 2024 20 12 2024 Graphical Abstract Figure boundary layer development losses turbine aerodynamic design fan compressor and turbine aerodynamic design Engineering and Physical...

... Contributed by the International Gas Turbine Institute (IGTI) of ASME for publication in the J ournal of T urbomachinery . 01 08 2024 01 11 2024 01 11 2024 20 12 2024 in-flight icing aircraft icing fan-blade design sensitivity study computational fluid dynamics (CFD) fan...

... in the fan-stage stator design of turbofan aero-engines. The theoretical modeling and solution method are first introduced, with special attention paid to the singularity problem brought by the nonuniformity of the stator vanes in the radial direction. The tonal rotor–stator interaction noise for stators...

... by the observation that for the adiabatic flow through a stationary blade row, stagnation temperature remains constant and as a result entropy changes depend only on stagnation pressure changes. European Research Council 10.13039/501100000781 101026928 computational fluid dynamics (CFD) fan...

...Venkata Y. T. Chennuru; Roque Corral; Salvador Rodríguez-Blanco; Mehdi Vahdati; Fanzhou Zhao In this paper, a new aeroelastic phenomena for fans, referred to as non-synchronous forced vibration (NSFV), is presented. This type of aeroelastic instability can occur at high crosswind conditions when...

...Javier González-Monge; José Miguel Pérez; Roque Corral; Fanzhou Zhao; Mehdi Vahdati This work investigates the impact of acoustically treated intakes on fan flutter. The propagation of the fan acoustic perturbations is studied using a simplified model, where the frequency of the waves in the intake...

... unsteady Reynolds-averaged Navier–Stokes results, in throughflow solutions. The transonic fan case’s results presented in this paper underscore the critical significance of high-order source terms in throughflow calculations, particularly concerning temporal and circumferential fluctuations. At the design...

... (CFD) fan compressor and turbine aerodynamic design turbomachinery blading design Over the past 70 years, the development and maturation of new design and manufacturing technologies have enabled a significant evolution of turbofan engines at a consistent pace. For the fan and the low...

...Xiaoying Sheng; Xingen Lu; Ziliang Li; Yunfeng Wu; Hang Yuan; Chengwu Yang The geometric structure of the supersonic through-flow variable-pitch tandem fan poses challenges in ensuring optimal relative blade positions across various operating modes. This study employed numerical simulations...

... Tourbillon De Jeu Dans Les Turbomachines ,” Ph.D. thesis, Ecole Polytechnique X , Palaiseau, France . [38] Boudet , J. , Cahuzac , A. , Kausche , P. , and Jacob , M. C. , 2015 , “ Zonal Large-Eddy Simulation of a Fan Tip-Clearance Flow, With Evidence of Vortex Wandering ,” ASME J...

... passage with a convergent-divergent nozzle that expands the flow to the desired Mach number upstream of the shock and then introduces constant radius curvature to simulate local airfoil camber. The Mach numbers in the divergent section of the transonic passage simulate single-stage commercial fan blades...

...Hans Mårtensson; Mattias Billson Boundary Layer Ingestion (BLI) is a concept with the potential to reduce energy consumption needed for aircraft propulsion. For the fan this results in a need to work well in an environment of increased continuous distortion. The objective of this study...

... been extensively researched [ 1 – 3 ]. ABB 10.13039/501100002670 n/a aerodynamics cfd compressor diffuser stability surge uRANS vane centrifugal compressors and pumps compressor stall surge and operability computational fluid dynamics (CFD) fan compressor...

... and operability fan compressor and turbine aerodynamic design In turbomachinery, the term “rotating instabilities,” introduced by Kameier and Neise [ 1 , 2 ] and Choi [ 3 ], is used for an unsteady flow process in the stable operating range, whereas in axial fans and compressors [ 4 – 6 ] it is mostly...

...Maximilian Behn; Ulf Tapken For the development of low-noise fan designs the sound generation must be reduced at the source, but also sound transmission effects through the rotor can be exploited to reduce the noise emitted to the far-field. Rotor shielding has been identified as a means of noise...

... isotropic turbulence models validated in simple geometries may not be suitable. turbulence intensity integral length scale anisotropy turbine vane frame hot-wire anemometry computational fluid dynamics (CFD) fan compressor and turbine aerodynamic design measurement techniques...

...Alexandra P. Schneider; Anne-Lise Fiquet; Benoit Paoletti; Xavier Ottavy; Christoph Brandstetter With the advancement of modern fan architectures, the lack of experimental benchmarks for the research community became apparent in the recent years. Enormous effort in the method development could...

... efficiencies. Traditional blade designs reach their limits when faced with such requirements [ 1 ]. computational fluid dynamics (CFD) fan compressor and turbine aerodynamic design turbomachinery blading design stability enhancement 08 09 2023 04 10 2023 04 10 2023 26 02...