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Wyszukujesz frazę "mesh electrode" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Application of Plasma Actuator with Two Mesh Electrodes to Active Control of Boundary Layer at 50 Hz Power Supply
Autorzy:
Gnapowski, Ernest
Pytka, Jarosław
Gnapowski, Sebastian
Józwik, Jerzy
Tomiło, Paweł
Powiązania:
https://bibliotekanauki.pl/articles/2201893.pdf
Data publikacji:
2023
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
plasma actuator
DBD
lift coefficient
mesh electrode
Opis:
Numerous studies are conducted to improve the flow in the boundary layer to ensure laminar flow and in particular to increase flight safety. A new solution used to improve the laminar flow is the plasma actuator. The classic configuration of DBD plasma actuators is commonly used with the asymmetric electrode system. The manuscript describes the results of tests with a plasma actuator. Experimental tests were carried out on the built model of the wing with the SD 7003 profile, a plasma actuator was mounted on the upper surface. In contrast to the commonly used solution with solid tape copper electrodes, the novelty in the described research in the manuscript is the use of a large GND electrode (covering 70% of the upper surface of the wing) and a HV mesh electrode. The use of a plasma actuator on the upper surface of the wing affects the air flow in the boundary layer as a result of air ionization. The tests were carried out for a supply voltage from V = 7.0 kV to 12 kV and Reynolds number, Re = 87500 to 240000, flow velocity during the tests in the tunnel was in the range of U = 5-15 m/s and the angle of attack α = 5 -15 degrees. On the basis of the results experimental tests, the percentage change in the lift coefficient was calculated for the switched on and off DBD system. The obtained results indicate a maximum 17% increase in the lift coefficient for the plasma actuator activated for air flow U = 5 m/s and angle of attack α = 5 degrees. In the remaining configurations, changes in the lift coefficient amounted to 4%.
Źródło:
Advances in Science and Technology. Research Journal; 2023, 17, 1; 58--63
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of Mesh Electrodes Geometry on the Ozone Concentration in the Presence of Micanite Dielectric
Autorzy:
Gnapowski, Ernest
Powiązania:
https://bibliotekanauki.pl/articles/101880.pdf
Data publikacji:
2018
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
ozone
DBD discharge
mesh electrode
micanite dielectric
ozon
wyładowanie DBD
elektroda siatkowa
mikanit dielektryczny
Opis:
The manuscript presents experimental research on a plasma reactor with two mesh electrodes and a micanite dielectric. Three types of electrode geometry were used in experimental research; mesh size 0.1 x 0.1 mm, 0.3 x 0.3 mm and perforated electrodes with Ø1.38 mm holes. The results of experimental research show the influence of electrode geometry on the ozone generation process. The use of electrodes perforated with Ø1.38 mm holes generates 20% lower ozone concentration, compared to the configuration with two mesh electrodes size 0.1 x 0.1 mm at the same power of discharges.
Źródło:
Advances in Science and Technology. Research Journal; 2018, 12, 4; 76-80
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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