... of the baseline IITDs with mean rise angle of 21 deg: (a) linear IITD V1C1 and (b) annular IITD V1C1A boundary layer development computational fluid dynamics (CFD) fan compressor and turbine aerodynamic design National Natural Science Foundation of China 10.13039/501100001809 52076001...

... efficiency improvements during hover, liftfans sustain additional inlet distortion and drag during forward flight due to their surrounding nacelles. A low-order model is developed to investigate the maximum range for different fan designs with varying diffuser area ratios and forward flight tilt angles...

... , A. , and Bhaskaran , R. , 2022 , “ Large Eddy Simulations of a Transonic Airfoil Cascade ,” Proceedings of the ASME Turbo Expo 2022: Turbomachinery Technical Conference and Exposition. Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics , Rotterdam, Netherlands , June 13–17 . [16...

... experiment flow-induced noise cavity and leaking flows fan compressor Modern aero-engines are more susceptible to unforeseen loads due to the advanced aerodynamic shapes specifically designed for optimum performance. An important unsteady loading which can be experienced by the blades...

...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...