A vortex-dynamical scaling theory for flickering buoyant diffusion flames

X Xia, P Zhang - Journal of Fluid Mechanics, 2018 - cambridge.org
The flickering of buoyant diffusion flames is associated with the periodic shedding of toroidal
vortices that are formed under gravity-induced shearing at the flame surface. Numerous …

Faster flicker of buoyant diffusion flames by weakly rotatory flows

T Yang, P Zhang - Theoretical and Computational Fluid Dynamics, 2023 - Springer
Flickering buoyant diffusion methane flames in weakly rotatory flows were computationally
and theoretically investigated. The prominent computational finding is that the flicker …

Vortex interaction in triple flickering buoyant diffusion flames

T Yang, Y Chi, P Zhang - Proceedings of the Combustion Institute, 2023 - Elsevier
Triple flickering buoyant diffusion flames of methane gas in equilateral triangle arrangement,
as a nonlinear dynamical system of coupled oscillators, were computationally investigated …

Review and prospect on the efficient synthetic jet

LU Yiran, W Jinjun - 力学进展, 2024 - lxjz.cstam.org.cn
As a significant active flow control method, the synthetic jet has been considered to be
promising and of great potential in applications. Due to its superior control performance …

Axis switching in low to moderate aspect ratio rectangular orifice synthetic jets

JC Straccia, JAN Farnsworth - Physical Review Fluids, 2021 - APS
The dynamics of finite-span vortex rings expelled from a synthetic jet actuator is studied
experimentally using stereoscopic particle image velocimetry as well as being modeled with …

[HTML][HTML] 高效合成射流激励器研究进展及展望

陆逸然, 王晋军 - 力学进展, 2024 - lxjz.cstam.org.cn
合成射流作为一种具有优越控制效果的主动流动控制技术, 在提升飞行器气动性能, 减振降噪,
强化元器件散热等领域具有重要的学术意义和应用价值. 经过30 余年的研究 …

Transitional region of a round synthetic jet

X Xia, K Mohseni - Physical Review Fluids, 2018 - APS
Spreading and decay rates of several synthetic jets are experimentally measured up to 70–
100 diameters (d) away from the orifice. It is found that, consistent with previous studies, after …

Dynamical Behavior of Small-Scale Buoyant Diffusion Flames in Externally Swirling Flows

T Yang, Y Ma, P Zhang - Symmetry, 2024 - mdpi.com
This study computationally investigates small-scale flickering buoyant diffusion flames in
externally swirling flows and focuses on identifying and characterizing various distinct …

[HTML][HTML] 高效合成射流激励器研究进展及展望

陆逸然, 王晋军 - 力学进展, 2024 - lxjz.cstam.org.cn
合成射流作为一种具有优越控制效果的主动流动控制技术, 在提升飞行器气动性能, 减振降噪,
强化元器件散热等领域具有重要的学术意义和应用价值. 经过30 余年的研究 …

Flow characterization and modeling of strong round synthetic jets in crossflow

X Xia, K Mohseni - AIAA Journal, 2017 - arc.aiaa.org
This study focuses on the flow field of a round synthetic jet issuing into a crossflow. Six cases
are investigated in which the jet-to-freestream velocity ratios range between 2.8 and 8.3 …