Results 81 to 90 of about 24,432 (206)

Study of Convective Flow Effects in Endwall Casing Treatments in Transonic Compressor Rotors [PDF]

open access: yes, 2012
The unsteady convective flow effects in a transonic compressor rotor with a circumferential-groove casing treatment are investigated in this paper. Experimental results show that the circumferential-groove casing treatment increases the compressor stall ...
Hah, Chunill   +2 more
core   +1 more source

Humpback whale inspired design for tidal turbine blades [PDF]

open access: yes, 2017
This study is to further improve the hydrodynamic performance of tidal turbines by applying leading-edge tubercles to the blades inspired by the humpback whales.
Atlar, Mehmet   +2 more
core  

Review of flow instability in gas-turbine compression system

open access: yesPropulsion and Power Research
Compressor instability, particularly stall and surge, poses significant challenges to the performance, efficiency, and reliability of axial compressors in aerospace and power-generation systems.
Jingyi Zeng, Feng Liu
doaj   +1 more source

Influence of slotted casing treatment with surface roughness and dimples on the performance of an axial flow fan

open access: yesCogent Engineering
A numerical analysis is conducted to assess the impact of slotted casing treatments, dimples, and surface roughness on the performance of an axial flow fan. Five configurations were evaluated: baseline (without any flow control), axial slots, axial slots
Gautham A. Amin   +2 more
doaj   +1 more source

Investigation of Unsteady Flow Interaction Between an Ultra-Compact Inlet and a Transonic Fan [PDF]

open access: yes
In the study presented, unsteady flow interaction between an ultra-compact inlet and a transonic fan stage is investigated. Future combat aircraft engines require ultra-compact inlet ducts as part of an integrated, advanced propulsion system to improve ...
Hah, Chunill   +2 more
core   +1 more source

Noise comparisons of single and two stage demonstrator fans for advanced technology aircraft [PDF]

open access: yes
A high-speed single-stage and a low-speed two-stage fan were designed, fabricated, and tested to demonstrate their predicted low noise performance for an advanced 0.85-0.90 cruise Mach number aircraft requiring a 1.8-1.9 pressure ratio fan.
Heidmann, M. F.
core   +1 more source

Stator hub treatment study [PDF]

open access: yes
The results of an experimental research program to investigate the potential of improving compressor stall margin by the application of hub treatment are presented.
Hilvers, D. E., Wisler, D. C.
core   +1 more source

MGSim - Simulation tools for multi-core processor architectures [PDF]

open access: yes, 2013
MGSim is an open source discrete event simulator for on-chip hardware components, developed at the University of Amsterdam. It is intended to be a research and teaching vehicle to study the fine-grained hardware/software interactions on many-core and ...
Fu, Jian   +5 more
core   +1 more source

An Experimental Investigation by Particle Image Velocimetry of the Active Flow Control of the Stall Inception of an Axial Compressor

open access: yesInternational Journal of Turbomachinery, Propulsion and Power
This paper presents results from active flow control experiments carried out on a single stage axial compressor. The flow under various forced conditions has been investigated using 2D 2C particle image velocimetry (PIV) on three radial planes along the ...
Olha Alekseik   +3 more
doaj   +1 more source

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