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Dielectric barrier discharge (DBD) plasma actuators generate an electrohydrodynamic (EHD) force through the ionization and acceleration of charged species. Most active flow control DBD applications are only practical at lower Reynolds…

Plasma Physics · Physics 2024-11-27 Anthony Tang , Alexander Mamishev , Igor Novosselov

Dielectric barrier discharge (DBD) plasma actuators are an attractive option for separation control, lift enhancement, and drag reduction. Some plasma actuators feature optimized electrode shapes, electrical waveforms to maximize the…

Fluid Dynamics · Physics 2021-06-23 Ravi Sankar Vaddi , Charles Sota , Alexander Mamishev , Igor Novosselov

A Dielectric Barrier Discharge (DBD) plasma actuator for controlling airflow is proposed. It consists of diverging and converging nozzles, two concentric cylinders and an actuator mounted in-between the two cylinders. The actuator employs…

Fluid Dynamics · Physics 2024-02-12 Afshin Shaygani , Kazimierz Adamiak , Mehrdad R. Kermani

Dielectric barrier discharge (DBD) plasma actuator arrays have been suggested as active flow control devices due to the robust electrohydrodynamic (EHD) force generation in variable atmospheric conditions. DBD plasma augmentation schemes…

Plasma Physics · Physics 2024-12-03 Anthony Tang , Alexander Mamishev , Igor Novosselov

The Dielectric Barrier Discharge (DBD) micro-plasma actuator stands out as a highly promising tool for active fluid flow control. Researchers specializing in flow control have taken a keen interest in this actuator due to its economical…

Fluid Dynamics · Physics 2023-08-25 Javad Omidi

This study employs optimization techniques to enhance the positioning of a dielectric-barrier-discharge plasma actuator on a curved surface, taking into account diverse aerodynamic and physical scenarios. The optimization methodology…

Fluid Dynamics · Physics 2024-07-09 Javad Omidi

Surface dielectric barrier discharge (SDBD) actuators driven by the Pulsed-DC voltages are analyzed. The Pulsed-DC SDBD studied in this work is equivalent to a classical SDBD driven by a tailored Fast-Rise-Slow-Decay (FRSD) voltage…

Plasma Physics · Physics 2020-05-22 Xiancong Chen , Yifei Zhu , Yun Wu , Zhi Su , Hua Liang

Dielectric barrier discharge (DBD) plasma actuators can generate a wall jet without moving parts through interaction between ionized and neutral molecules in an electric field. The coupling between electro-hydrodynamic, turbulence, and…

Plasma Physics · Physics 2022-07-20 Anthony Tang , Benjamin Price , Alexander Mamishev , Alberto Aliseda , Igor Novosselov

In this research, the effect of utilizing a micro plasma actuator on controlling the flow through a two-dimensional cylinder is investigated using an advanced electrostatic model. Within this model, by solving two elliptic equations, the…

Fluid Dynamics · Physics 2024-07-16 Javad Omidi

Dielectric barrier discharge (DBD) plasma actuators can generate a wall jet without moving parts by interacting with ionized and neutral molecules in an electric field. The coupling between electrohydrodynamic (EHD), turbulence, inertial…

Plasma technology has undeniably revolutionized industrial processes in recent decades. Atmospheric pressure plasma (APP) has emerged as a prominent and widely applicable tool in various scientific disciplines. Notably, plasma-assisted flow…

Plasma Physics · Physics 2026-02-24 Sajad Hajikhani , Ramin Mehrabifard , Hamed Soltani Ahmadi

CFD studies have been performed to demonstrate the effects of rotation on large wind turbine blades. The 10 MW blade of the Advanced Aerodynamic Tools for Large Rotors (AVATAR) project was selected in the present investigation. In order to…

Fluid Dynamics · Physics 2017-05-12 Galih Bangga , Thorsten Lutz , Ewald Krämer

The present research aims to enhance the efficiency of a DTU-10MW Horizontal Axis Wind Turbine (HAWT) via Active Flow Control (AFC) implementation and using Synthetic Jets (SJ). In the initial part of the study the flow around two airfoil…

Fluid Dynamics · Physics 2024-07-31 Marc Lahoz , Ahmad Nabhani , Mohammad Saemian , Josep M Bergada

The present study aims to investigate the effectiveness of plasma actuators in controlling the flow around a finite wall-mounted square cylinder (FWMSC) with a longitudinal aspect ratio of 4. The test is conducted in a small-scale closed…

Fluid Dynamics · Physics 2023-04-24 Mustafa Z. Yousif , Yifan Yang , Haifeng Zhou , Linqi Yu , Meng Zhang , Hee-Chang Lim

Dielectric Barrier Discharge (DBD) plasma actuators with an asymmetric, straight edge electrode configuration generate a wall-bounded jet without moving parts. Mechanistic description of the interaction between the Coulombic forces and…

Plasma Physics · Physics 2021-05-26 Anthony Tang , Ravi Sankar Vaddi , Alexander Mamishev , Igor Novosselov

Efficiency increase is seen as one of the main goals in any energy converting device. In this direction, the present study aims to demonstrate that large-scale wind turbines can still be improved in order to generate larger amounts of…

Fluid Dynamics · Physics 2024-07-31 Ahmad Nabhani , Navid M Tousi , Marti Coma , Gabriel Bugeda , Josep M Bergada

We investigate the drag reduction on a heavy-duty vehicle using dielectric-barrier discharge plasma actuators located on the A-pillars. An experimental campaign is carried out on a generalized truck model, the Ground Transportation System…

Fluid Dynamics · Physics 2026-03-13 Lucas Schneeberger , Stefano Discetti , Andrea Ianiro

Gas turbine engines are highly efficient and powerful because of their high-pressure turbines (HPTs). Furthermore, stationary blades shape and prepare high-pressure gas for efficient utilization by moving blades. Consequently, optimizing…

Fluid Dynamics · Physics 2024-01-05 Seyed Ehsan Hosseini , Saeid Jafaripanah , Zoheir Saboohi

An experimental investigation comparing the properties of plasma jets in dielectric barrier discharge (DBD) configurations using a powered electrode with and without a dielectric barrier, while keeping a second dielectric barrier over the…

Plasma Physics · Physics 2021-04-16 Fellype do Nascimento , Konstantin Kostov , Munemasa Machida , Alexander Flacker

This work presents an investigation on different methods for the calculation of the angle of attack and the underlying induced velocity on wind turbine blades using data obtained from three-dimensional Computational Fluid Dynamics (CFD).…

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