...Gábor Daku; János Vad The paper presents a comprehensive analytical model for the characterization of von Karman vortex shedding in the wake of models of low-speed axial fan blades. The elaborated minimal model is based on the Reynolds-averaged Navier–Stokes and continuity equations. For validation...

... , “ A Numerical Study of Automotive Turbocharger Mixed Flow Turbine Inlet Geometry for Off Design Performance ,” Proceedings of The 6th International Conference on Pumps and Fans with Compressors and Wind Turbines , Beijing, China , Sept. 9–22 , IOP Conference Series: Materials Science and Engineering, Vol...

... fan compressor and turbine aerodynamic design turbine blade and measurement advancements turbomachinery blading design References [1] Zhang , Y. , Hu , S. , Mahallati , A. , Zhang , X.-F. , and Vlasic , E. , 2018 , “ Effects of Area Ratio and Mean Rise...

... Corresponding author. Email: michael.casey@casey-s.ch Email: chris.robinson@pcaeng.co.uk radial compressors one-dimensional design tools impeller design design guidelines teaching aid centrifugal compressors and pumps fan compressor References [1] Casey , M...

... = reduced quantity centrifugal compressors and pumps computational fluid dynamics (CFD) fan compressor and turbine aerodynamic design References [1] Ziegler , K. U. , Gallus , H. E. , and Niehuis , R. , 2003 , “ A Study on Impeller-Diffuser Interaction—Part I...

... distortion to ensure a tip-critical compressor, the casing treatment produced a significant improvement in stall margin. Burger et al. [ 23 ] also observed that their two-stage fan benefited from a casing treatment at low-speed (when the first-stage rotor tip was highly loaded) but did not benefit at design...

... 2022 04 11 2022 computational fluid dynamics (CFD) fan compressor and turbine aerodynamic design fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines measurement techniques turbine blade and measurement advancements turbomachinery...

... metamodel fan compressor and turbine aerodynamic design turbomachinery blading design References [1] Houghton , T. , and Day , I. , 2012 , “ Stability Enhancement by Casing Grooves: The Importance of Stall Inception Mechanism and Solidity ,” ASME J. Turbomach. , 134 ( 2...

...Davendu Kulkarni; Luca di Mare The fan systems of typical high bypass civil engines encounter strong flow distortions originating in the intake and the bypass duct. These flow distortions cause the fan stage operation point to vary from its design intent, thus reducing the fan stage performance...

... = isentropic efficiency Λ = reaction σ = solidity Φ = flow coefficient Ψ = work coefficient ψ ′ = static-pressure rise coefficient compressor stall surge and operability computational fluid dynamics (CFD) fan compressor and turbine aerodynamic design fluid...

...Carlo Cravero; Gabriele Milanese Axial flow fans are usually characterized by blade sections with low solidity and high inlet flow angles. Two main approaches are followed in the preliminary design phase, to take into account blade interaction effects: the use of available airfoil cascades data...

... t 1 , t 3 = turbine inlet; first rotor, second rotor t 2 , t 4 = turbine outlet; first rotor, second rotor CC = cold compressor CT = cold turbine HC = hot compressor HT = hot turbine fan compressor and turbine aerodynamic design...

...D. K. Hall; E. M. Greitzer; C. S. Tan This paper presents an assessment of the effect of nonaxisymmetric fan exit guide vanes (FEGVs) to mitigate, or even reduce to zero, the impact of circumferential flow distortion—such as created by boundary layer ingestion (BLI)—on fan rotor efficiency...

... that all data for this study are included in the paper. References [1] Longhouse , R. E. , 1976 , “ Noise Mechanism Separation and Design Considerations for Low Tip-Speed, Axial-Flow Fans ,” J. Sound Vib. , 48 ( 4 ), pp. 461 – 474 . 10.1016/0022-460X(76)90550-2 [2] Moreau , S...

...) of ASME for publication in the J ournal of T urbomachinery . 22 07 2022 29 08 2022 30 08 2022 07 10 2022 nonsynchronous vibrations Van der Pol fluid–structure interaction reduced-order model computational fluid dynamics (CFD) fan compressor and turbine aerodynamic...

... challenges. Numerical analyses of the fan with a uniform flow at the inlet and that exposed to the distorted flow were performed. These required the use of a full-annulus unsteady time-marching computational fluid dynamics (CFD) model, which was validated with experimental data obtained at a test rig...

...Yannick Bousquet; Nicolas Binder; Ludovic Rojda; Adrien Thacker The present work analyzes the three-dimensional unsteady flow structure of a low-speed low-pressure ratio axial fan stage operating at stall conditions. Unsteady numerical simulations were conducted with the els A software, which...

... for low Reynolds number are not well known. compressor cascade DNS laminar separation bubble wake development computational fluid dynamics (CFD) fan compressor and turbine aerodynamic design 01 09 2021 06 01 2022 18 01 2022 19 04 2022 Contributed...

... 07 2021 24 01 2022 24 01 2022 16 03 2022 aerodynamic topology optimization high-pressure turbine tip leakage flow cavity and leaking flows fan compressor and turbine aerodynamic design turbomachinery blading design Copyright © 2022 by ASME 2022 American Society...

...Valerio F. Barnabei; Alessio Castorrini; Alessandro Corsini; Franco Rispoli Reversible axial fans are widely used in industrial and tunnel ventilation systems, and a lot of research effort is spent in the design process of the blades shape and blades profile. The target is to achieve reasonable...