2021年6月1日 · This work is focused on exploring the flow and heat transfer capabilities for slotted and axisymmetric cavity configurations for synthetic impinging jets; the jet is enclosed between two isothermal parallel plates, impinging into the top hot plate.

The present study compares the efficacy of slotted synthetic jet and a row of four circular synthetic jets attached to inner faces of a twin air-intake to improve aerodynamic performance at the AIP. The results are obtained using computational fluid dynamics.

2025年2月4日 · Recently, slotted airfoils have been introduced as a passive flow control approach. The slotted airfoil method resulted in stall delay and enhanced the lift coefficient. The single-slot airfoil...

2023年9月20日 · The use of slotted synthetic jets increases static pressure recovery up to 4.33% as compared to uncontrolled jets while reducing the total pressure loss coefficient by 65.59%. The distortion coefficient is used to determine the primary distortion caused by …

The present study compares the efficacy of slotted synthetic jet and a row of four circular synthetic jets attached to inner faces of a twin air-intake to improve aerodynamic performance at the AIP. The results are obtained using computational fluid dynamics.

2006年7月1日 · The present contribution describes the next step of the study: a test campaign was performed in the same facility to optimize slotted jets devices with both continuous and pulsed blowing. The optimization was done using hot film shear stress probes.

这项工作的重点是探索合成冲击射流的狭缝和轴对称腔结构的流动和传热能力。 射流被封闭在两个等温平行板之间，并撞击顶部加热板。 雷诺数分别为50、300和500，射流形成标准为3时，使用Navier-Stokes方程的任意Lagrangian-Eulerian公式进行了数值模拟。 两种配置的流动模式不同，从而导致不同的撞击行为。 开槽射流比轴对称射流更宽，表明湍流混合增加，速度不足。 另一方面，轴对称构造的较窄射流导致较少的混合和更多的穿透，并具有较高的速度赤字。 这项 …

Passive flow control of jets for various advantages like noise reduction, better mixing and thrust vector control is achieved by using mechanical slotted tabs. The effects of the slotted rectangular tabs are studied experimentally at different nozzle pressure ratios of 3, 4 and 5.

The cross-sectional shapes and velocity distributions of jets issuing from slotted orifices are examined. Hot wire anemometry and flow visualization are employed. The results indicate that for slots machined on thin tubes, the jets spread strongly in the transverse direction.

2020年3月9日 · The present study compares the efficacy of slotted synthetic jet and a row of four circular synthetic jets attached to inner faces of a twin air-intake to improve aerodynamic performance at...