Results 11 to 20 of about 368,794 (339)

Stall Flutter Control of a Smart Blade Section Undergoing Asymmetric Limit Oscillations

open access: yesShock and Vibration, 2016
Stall flutter is an aeroelastic phenomenon resulting in unwanted oscillatory loads on the blade, such as wind turbine blade, helicopter rotor blade, and other flexible wing blades.
Nailu Li   +4 more
doaj   +2 more sources

Digital mapping of surface turbulence status and aerodynamic stall on wings of a flying aircraft

open access: yesNature Communications, 2023
Early warning of the airflow separation and monitoring of the stall status is critical for the safety of flying aircraft. Here authors introduce a lightweight and conformable system on the wing surface of aircraft that can sense and warn the pre-stall ...
Zijie Xu   +8 more
semanticscholar   +1 more source

Intense: In-Depth Studies on Stall Events and Quality Switches and Their Impact on the Quality of Experience in HTTP Adaptive Streaming

open access: yesIEEE Access, 2021
With the recent growth of multimedia traffic over the Internet and emerging multimedia streaming service providers, improving Quality of Experience (QoE) for HTTP Adaptive Streaming (HAS) becomes more important. Alongside other factors, such as the media
Babak Taraghi   +3 more
semanticscholar   +1 more source

RANS CFD Analysis of Hump Formation Mechanism in Double-Suction Centrifugal Pump under Part Load Condition

open access: yesEnergies, 2021
The RANS (Reynolds-averaged Navier–Stokes equations) with CFD (Computational Fluid Dynamics) simulation method is used to analyze the head hump formation mechanism in the double-suction centrifugal pump under a part load condition.
Yong Liu   +5 more
doaj   +1 more source

Deep conservation of ribosome stall sites across RNA processing genes

open access: yesbioRxiv, 2020
The rate of translation can vary considerably depending on the mRNA template. During the elongation phase the ribosome can transiently pause or permanently stall.
Katarzyna Chyżyńska   +4 more
semanticscholar   +1 more source

A new stall-onset criterion for low speed dynamic-stall [PDF]

open access: yes, 2005
The Beddoes/Leishman dynamic-stall model has become one of the most popular for the provision of unsteady aerofoil data embedded in much larger codes.
Beddoes   +20 more
core   +1 more source

Propagation of stall in a compressor blade row [PDF]

open access: yes, 1955
Recent experimental observations on compressors, in particular those of Rannie and Iura, have clarified some features of the phenomenon of stall propagation.
Marble, Frank E.
core   +1 more source

Delaying the Stall of A Low-Wing Aircraft Using A Novel Powerful Vortex Generator

open access: yesInventions, 2022
In this study, a new aerodynamic surface concept is introduced, which is a powerful vortex generator (PVG). It can delay the stall point in a low-wing aircraft. This delay leads to a significant increase in the CLmax of an aircraft.
Mostafa Goharshadi, Masoud Mirzaei
doaj   +1 more source

Boundary Layer Separation and Reattachment Detection on Airfoils by Thermal Flow Sensors

open access: yesSensors, 2012
A sensor concept for detection of boundary layer separation (flow separation, stall) and reattachment on airfoils is introduced in this paper. Boundary layer separation and reattachment are phenomena of fluid mechanics showing characteristics of ...
Peter Busche   +4 more
doaj   +1 more source

Numerical investigation of the effect of airfoil thickness on onset of dynamic stall [PDF]

open access: yesJournal of Fluid Mechanics, 2017
Effect of airfoil thickness on onset of dynamic stall is investigated using large eddy simulations at chord-based Reynolds number of 200 000. Four symmetric NACA airfoils of thickness-to-chord ratios of 9 %, 12 %, 15 % and 18 % are studied.
Anupam Sharma, M. Visbal
semanticscholar   +1 more source

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