Single dielectric barrier discharge plasma actuators have been used to control flow separation in a large number of applications. An often used configuration involves spanwise-oriented asymmetric electrodes that are arranged to induce a tangential wall jet in the mean flow direction. For the best effect, the plasma actuator is placed just upstream of where the flow separation will occur. This a...

Improving the performance of flame holders has been a key focus research on ramjet combustors. The plasma actuator potential to improve ignition by manipulating flow field holder. In this study, plasma-actuated holder was designed. aim study is combustor applying discharge aerodynamic effects and were investigated. results demonstrated that induced jet direction surface arc perpendicular actuat...

PURPOSE This study aims to present flow control over the backward-facing step with specially designed right-angle-shaped plasma actuator and analyzed the influence of various scales of flow structures on the Reynolds stress through snapshot proper orthogonal decomposition (POD). METHODS 2D particle image velocimetry measurements were conducted on region (x/h = 0-2.25) and reattachment zone in...

The study of a pair of single Dielectric Barrier Discharge (DBD) plasma actuator which is placed on the surface near the apex of a cone-cylinder body with a semi-apex angle of 10° is presented. The two SDBD plasma actuators are aligned on the cone at azimuth angle θ = ±90° symmetrically and sustained by a repetitive high voltage nanosecond pulses generator. The pressure distribution over the te...

abstract: this paper presents dynamic modelling and control of a linear prismatic series of elastic actuator. the capability of generating large torques is why this actuator is increasingly used in human-assistive robotic systems. due to having human in the loop, the actuator requires precise control. a fractional pid controller known for its improved performance is used for the control, due to...

In recent years, single dielectric barrier discharge (SDBD) plasma actuators have gained great interest among all the active flow control devices typically employed in aerospace and turbomachinery applications [1,2]. Compared with the macro SDBDs, the micro single dielectric barrier discharge (MSDBD) actuators showed a higher efficiency in conversion of input electrical power to delivered mecha...

It is critically important to develop actuator systems for diverse needs ranging from robots and sensors to memory chips. The advancement of mechanical actuators depends on the development of new materials and rational structure design. In this study, we have developed a novel graphene electrochemical actuator based on a rationally designed monolithic graphene film with asymmetrically modified ...