A Wall Effects and Means of Controlling the Evolution of Swirling Flows with Vortex Breakdown [PDF]
Journal of Applied Fluid Mechanics, 2023 This paper investigates numerically the bubble-type vortex breakdown apparition in the case of closed rotating flows of a viscous, axisymmetric, and incompressible fluid.
A. Meziane +3 more
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Flow patterns of non-Newtonian nanofluid flow in cylindrical enclosure with rotating endwall: Effects of nanoparticles concentration [PDF]
E3S Web of Conferences, 2021 In this paper, a numerical study on the flow structure of non-Newtonian nanofluid in cylindrical enclosure with rotating end wall. The considered nanofluid, MWCNT-water, exhibits a strong power-law shear-thinning behavior with the increase in ...
Ragueb Haroun +4 more
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Vortex Breakdown Control by the Plasma Swirl Injector
Applied Sciences, 2021 Vortex breakdown, observed in swirling flows, is an interesting physical phenomenon relevant to a wide range of engineering applications, including aerodynamics and combustion.
Gang Li +6 more
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Stability of an Electrically Conducting Fluid Flow between Coaxial Cylinders under Magnetic field [PDF]
Journal of Applied Fluid Mechanics, 2022 This research aims to investigate the vortex breakdown zone, the stability margin, and the fluid layers of the rotating flow between two vertical coaxial cylinders under the effect of thermal gradient and an axial magnetic field.
H. Benhacine, B. Mahfoud, M. Salmi
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Applied Sciences, 2021 In modern turbine rotors, tip-leakage flow is a common phenomenon that accounts for about 1/3 of the stage loss. Studies show that as the imposed load increases, a shock wave appears in the tip region, which causes a significant interference on the ...
Zuojun Wei +4 more
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Nihon Kikai Gakkai ronbunshu, 2023 Using a high-speed multistage scale model compressor simulating a middle stage of a gas turbine compressor for power generation, the effects of 3 types of rotor tip clearances on performance and operating range, and the vortex structure of rotor tip ...
Ryosuke SEKI
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An evaluation of turbulence model for vortex breakdown detection over delta wing [PDF]
Archive of Mechanical Engineering, 2018 An important phenomenon of delta wing is the mechanism of vortex core, which indicates the increase in lifting force until the occurrence of the vortex breakdown. The computational fluid dynamics (CFD) is very helpful in visualizing and providing analysis
Setyawan Bekti Wibowo +2 more
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Influence of Blade Lean on Performance and Shock Wave/Tip Leakage Flow Interaction in a Transonic Compressor Rotor [PDF]
Journal of Applied Fluid Mechanics, 2022 Blade lean has been extensively used in axial compressor stators to control flow separations, but its influence mechanism on transonic compressor rotors remains to be revealed.
Z. Cao, X. Zhang, Y. Liang, B. Liu
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Flow Instability Control in a Model Swirl-Stabilized Combustor with Central Jet Injection
Inventions, 2023 Swirling flows often occur in nature and industrial applications. With an increase in swirl intensity, such rotating flows are known to become unstable and undergo a sudden breakdown of the vortex core, resulting in unsteady flow dynamics with intensive ...
Alexey Savitskii +3 more
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Study of Vortex Breakdown and Pitch up on a Compound Delta Wing [PDF]
INCAS Bulletin, 2019 This paper discusses the calculation of mean pressure on a compound delta wing configuration and its variance to understand vortex breakdown and pitch up on the setup. The configuration of the compound delta wing being used was 50°-60°. The data was used
SHIVAM, Shashi Bhushan VERMA
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