... 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...

... facility has two controls: the motor and the eddy-current brake. The variable speed motor drives the centrifugal fan, at the rear of the facility, which draws ambient air through the working section. This effectively sets the mass flowrate through the facility. The eddy-current brake absorbs the power...

... Turbine Institute (IGTI) of ASME for publication in the J ournal of T urbomachinery . 23 08 2023 06 11 2023 06 11 2023 16 01 2024 boundary layer development computational fluid dynamics (CFD) fan compressor turbine aerodynamic design To transform global air...

... low-pressure turbine low-speed linear cascade test profile loss wake interaction loss control volume analysis boundary layer development fan compressor and turbine aerodynamic design turbine blade and measurement advancements For low-pressure turbines of a high bypass ratio turbofan...

... ournal of T urbomachinery . 21 09 2023 30 11 2023 30 11 2023 16 01 2024 cavity and leaking flows computational fluid dynamics (CFD) fan compressor and turbine aerodynamic design measurement techniques turbomachinery blading design Tip leakage losses in axial...

...Boyan Jiang; Xiaopei Yang; Jun Wang; Zhiliang Lin; Jinkang Hu An improved passage-flow turning model (IPTM) was developed in this study to design high-performance forward-curved blades for squirrel-cage fans. The flow separation in blade passages and the corresponding fan performance were compared...

... and stators variable speeds design and adjustment optimization data mining compressor stall surge and operability fan compressor and turbine aerodynamic design turbomachinery blading design National Natural Science Foundation of China 10.13039/501100001809 52206051 The design...

... . 18 08 2023 09 11 2023 09 11 2023 14 12 2023 turbofan compressor aerodynamics compressor transition ducts strut bleed fan compressor and turbine aerodynamic design impact on cavity leaking flows on performance All experiments were conducted on a fully annular...

... leakage vortices higher diffusion factor vortex breakdown blockage fan compressor and turbine aerodynamic design turbomachinery blading design The next generation of gas turbines for aero-engines needs to have more specific thrust without compromising the cycle efficiency. This could...

... condition; thus aiding designer understanding. To demonstrate this, two example design cases are shown in the paper: a transonic rotor within a multistage civil compressor with variable upstream stator vanes, and an embedded rotor within a multistage military fan. The method is shown to (1) improve both...

... 2023 17 07 2023 18 07 2023 16 08 2023 aeromechanical instabilities boundary layer development fan compressor and turbine aerodynamic design turbine blade and measurement advancements wind turbine aerodynamic design The boundary layer subjected to an adverse pressure...

... 13 06 2023 27 07 2023 aerodynamic loss model performance prediction turbine design entropy loss coefficient fan compressor and turbine aerodynamic design turbomachinery blading design National Natural Science Foundation of China 10.13039/501100001809 51876021...