A capacitor capable of releasing reactive oxygen species and reactive nitrogen species after powering of claim 1 is composed of the dielectric material. A plurality of through holes are designed on the capacitor, the through holes being used as air gaps to supply plasma gas and blow a fan to increase the gas flow, and the voltage being connected to the two corresponding electrode edges of the capacitor so that the capacitor generating a heating temperature (lower than 200 degrees Celsius). Thereby, after the capacitor is perforated to form honeycomb shape and powered, the air surrounding the capacitor flowing through the capacitor is ionized to the oxygen ion and nitrogen ion via heating and charge-discharge, generates plasma at room temperature and atmospheric pressure and releases the reactive oxygen ions and reactive nitrogen ions healing and helpful for body healing.

A fluid control system includes a dielectric-barrier discharge (DBD) device, and processing circuitry. The processing circuitry is configured to obtain a streamwise length scale of a fluid flowing over a surface. The processing circuitry is also configured to obtain a convective time scale of the fluid flowing over the surface. The processing circuitry is also configured to operate the DBD device, based on the streamwise length scale and the convective time scale, to adjust a flow property of the fluid.

An airflow adjusting apparatus to be provided in a vehicle includes a road clearance detector, an airflow generator, and a processor. The vehicle includes a vehicle body, a wheel attached to the vehicle body to be partly protruded downward from the vehicle body, and a suspension that holds the wheel to permit the wheel to make a vertical stroke relative to the vehicle body. The road clearance detector is configured to detect a road clearance. The road clearance is a vertical distance from a road surface to an underside of the vehicle body. The airflow generator is provided in an underneath of the vehicle body, and configured to generate an airflow. The processor is configured to allow the airflow generator to generate a downward airflow having a downward speed component, on the condition that the road clearance has been on the increase.

A dielectric barrier discharge tube includes a quartz tube, the middle of the quartz tube is sleeved with a high-voltage electrode, an inner electrode is arranged in the quartz tube, a drive fan is arranged at the end of the inner electrode, a discharging needle set is arranged on the surface of the inner electrode, and a spiral discharging wire is suspended and arranged at the tip of the discharging needle set. After a high voltage electric field is applied to the high voltage electrode, the discharging needle set and the spiral discharging wire discharge, the discharging needle set and the spiral discharging wire discharge at different time points. When the gas passes through the driving fan, the flow direction of the gas is changed. A cyclone can be generated to drive the gas to flow towards the discharging area.

Systems and apparatuses for applying a plasma actuator system for reducing aerodynamic drag of a vehicle by discharging plasma is provided. The system includes: at least one pair of thin films configured to integrate into a pair of electrodes wherein each of the thin films of the pair of thin films is composed of a thin film piezo-electric material; a dielectric configured as an insulator region to separate each electrode integrated with the thin film piezo-electric material; and a power supply to deliver alternating current to each electrode to provide a high voltage output obtained by the thin film piezo-electric material integrated with the pair of electrodes wherein the high voltage output is about 10 kV.

Systems and apparatuses for applying a plasma actuator system for reducing aerodynamic drag of a vehicle by discharging plasma is provided. The system includes: at least one pair of thin films configured to integrate into a pair of electrodes wherein each of the thin films of the pair of thin films is composed of a thin film piezo-electric material; a dielectric configured as an insulator region to separate each electrode integrated with the thin film piezo-electric material; and a power supply to deliver alternating current to each electrode to provide a high voltage output obtained by the thin film piezo-electric material integrated with the pair of electrodes wherein the high voltage output is about 10 kV.

A system for controlling temperature of a body (6) comprising a DBD actuator (9) connectable to a power source to produce an ionic wind on the body; a control unit (8) to select an initial configuration and to control the power source (5) depending on a temperature difference (?T) between an input temperature (T.sub.i) and a target temperature (T.sub.ta) on the body (6), wherein the initial configuration comprises the following constructive parameters of the DBD actuator: number, shape, geometry, relative position of electrodes (d), dielectric material, dielectric thickness (e), wherein the initial configuration further comprises the following setting parameters to be set in the power source (5): a frequency value (f), an amplitude value (V), a waveform signal and a duty cycle, wherein the control unit (8) adjusts the initial configuration by modifying any of the setting parameters to control the heat transferred to the surface of the body.

The invention relates to an electrode assembly (5) for generating a non-thermal plasma, comprising a first electrode (7) and a second electrode (9) which are electrically insulated from each other by means of a dielectric element (11) and which are arranged at a distance from each other. The first electrode (7) has a thickness of at least 10 m when seen in the direction of the distance between the electrodes (7, 9), and the second electrode (9) has a thickness of at least 1 m to maximally 5 m or a thickness of at least 5 m to maximally 30 m when seen in the direction of the distance between the electrodes (7, 9). The dielectric element (11) has a thickness of at least 10 m to maximally 250 m.

An apparatus configured to induce airflow over a sensor lens is provide. The apparatus includes a sensor lens; and a plasma actuator. The plasma actuator may include a dielectric element, a first electrode disposed under the dielectric element, a second electrode disposed on the dielectric element such that the second electrode is exposed, and a plasma layer disposed in between the first electrode and the second electrode. The plasma actuator may be disposed at a periphery of the sensor lens.

A flow control system includes a movable wing attachable to a wing of an aircraft, and a plasma actuator mountable on a surface of the movable wing. The flow control system is configured to control air flow around the wing by having the changing of the steering angle of the movable wing work in conjunction with the operation of the plasma actuator.