Results 201 to 210 of about 674 (262)

An efficient PanAir integrated framework for automated analysis. [PDF]

Sci Rep
Shahid T, Gürkan C.
europepmc   +1 more source

Passive control of wing-tip vortices through a grooved-tip design. [PDF]

Exp Fluids
Tan J, Ōtomo S, Viola IM, Liu Y.
europepmc   +1 more source

Gyroid as a novel approach to suppress vortex shedding and mitigate induced vibration. [PDF]

Sci Rep
Berger T, Farhat M.
europepmc   +1 more source

Atrial Fibrillation Ablation in Heart Failure With Reduced vs Preserved Ejection Fraction: A Systematic Review and Meta-Analysis.

JAMA Cardiol
Oraii A, McIntyre WF, Parkash R, Kowalik K, Razeghi G, Benz AP, Belley-Côté EP, Conen D, Connolly SJ, Tang ASL, Healey JS, Wong JA.   +11 more
europepmc   +1 more source

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Spike type of stall inception in the tandem rotor

Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 2022
There are two known mechanisms of inception of rotating stall in the compressor, modal wave inception and spike inception. However, the stall inception mechanisms for a tandem-rotor have not been explored so far in detail. The paper explores the unsteady behaviour of the tandem rotor.
A M Pradeep
exaly   +2 more sources

Stall inception in a transonic axial fan

Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, 2008
The current paper reports a numerical investigation of stall inception in a transonic compressor rotor, NASA Rotor-67, by using the whole flow passages in the computations. Surface roughness is added to one of the blades in order to trigger rotating stall.
Hossein Khaleghi, A M Tousi
exaly   +2 more sources

Flow Models in Boundary-Layer Stall Inception

Journal of Basic Engineering, 1961
Physical evidence on stall inception from visual studies, mean-velocity-profile correlations, shear measurements, and fluctuations in separating boundary layers in the neighborhood of stall are discussed. Direct visual studies suggest that stall inception in the laminar boundary layer follows the classical model, but does not necessarily do so in the ...
V A Sandborn, S J Kline, Kline S J
exaly   +2 more sources

On the Mechanism of Spike Stall Inception and Near Stall Nonsynchronous Vibration in an Axial Compressor

Journal of Engineering for Gas Turbines and Power, 2020
Abstract The aerodynamic and aeroelastic behavior of an engine-like transonic compressor stage is investigated in this paper. Simulations were carried out for the transonic compressor at the Technical University of Darmstadt using the AU3D flow solver.
Daniel Möller, Heinz-Peter Schiffer
openaire   +1 more source

Stall Inception in Axial Compressors

Volume 1: Turbomachinery, 1989
Detailed measurements have been made of the transient stalling process in an axial compressor stage. The stage is of high hub-casing ratio and stall is initiated in the rotor. If the rotor tip clearance is small stall inception occurs at the hub, but at clearances typical for a multistage compressor the inception is at the tip.
N. M. McDougall, N. A. Cumpsty, T. P. Hynes   +2 more
openaire   +1 more source