Investigation of drag reduction mechanism for blunt bodies with plasma spikes

W Zhang, B Ding, Z Shi, Y Shu, F Sun - Physics of Fluids, 2023 - pubs.aip.org
The two main problems in hypersonic vehicles are wave drag and aerodynamic heating.
This work proposes a novel method for drag reduction by combining spikes with the plasma …

Identification of flow structures in a closed chamber in the presence of a needle plasma actuator

G Mehdi, S Bonuso, MG De Giorgi - Physics of Fluids, 2022 - pubs.aip.org
This study deals with the experimental characterization of the induced flow dynamics by a
disk-needle-type plasma actuator driven by a sinusoidal generator and located in a …

Influences of trailing-edge synthetic jets on longitudinal aerodynamic characteristics of a flying wing aircraft

Z Zhao, Z Luo, X Deng, S Li, J Zhang, J Liu - Physics of Fluids, 2022 - pubs.aip.org
For realizing the nice aerodynamic maneuverability of flying wing aircrafts (FWAs), a
longitudinal aerodynamic control technology based on circulation control (CC) using trailing …

Controlling the flow-induced oscillations of a flexible cantilever beam using a plasma actuator

M Allahyari, A Moosavi - Physics of Fluids, 2023 - pubs.aip.org
We study the dynamics of flow over a flexible cantilever beam and explore the effect of the
plasma actuators located at the upper and lower end edges of the beam to control the flow …

Separation delay in turbulent boundary layers via model predictive control of large-scale motions

A Tsolovikos, A Jariwala, S Suryanarayanan… - Physics of …, 2023 - pubs.aip.org
Turbulent boundary layers are dominated by large-scale motions (LSMs) of streamwise
momentum surplus and deficit that contribute significantly to the statistics of the flow. In …

Dynamical behavior of viscoelastic functionally graded tapered rotors partially filled with liquid

Z Jiang, G Wang, Q Zhao, H Yuan - Physics of Fluids, 2023 - pubs.aip.org
In this study, the dynamics and stability of a viscoelastic functionally graded tapered rotor
partially filled with liquid are investigated. It is assumed that the radius of the rotor varies …

Experimental investigation of the dynamic characteristics of the flow generated by a sliding dielectric barrier discharge in the flat plate boundary layer flow

Y Guo, Z Li, K Chen, X Geng - Physics of Fluids, 2023 - pubs.aip.org
The sliding dielectric barrier discharge (SL-DBD) has attracted attention due to its ability to
suppress flow separation. This paper investigated the effect of SL-DBD on the flow field in …

Nanosecond plasma actuation by a bending actuator mounted on a sharp edge in quiescent air

S Chen, Z Shi, X Geng, Z Sun, Z Chen, H Ni - Physics of Fluids, 2023 - pubs.aip.org
An experimental investigation of the actuation characteristics of a repetitive nanosecond
pulsed dielectric barrier discharge from bending plasma actuators mounted on a sharp edge …

[HTML][HTML] Investigation of coherent structures in low-speed turbulent boundary layers controlled by AC-DBD plasma actuators

Z Liu, H Wang, X Geng, K Cheng - AIP Advances, 2024 - pubs.aip.org
The dielectric barrier discharge (DBD) actuator has the advantages of being lightweight,
having no moving parts, ease of use, and fast response, and has received widespread …