نتایج جستجو برای: triplet plasma jet
تعداد نتایج: 400736 فیلتر نتایج به سال:
In this paper, construction of triplet atmospheric plasma jet using argon, air, oxygen and nitrogen gases is reported. Bactericidal effect of the plasma jet is also investigated. To that end, longitudinal geometric configuration for the electrodes was chosen because it would increase the jet length. Electrical characteristics, jet length dependencies on the applied voltage and gas flow rate wer...
in this paper, construction of triplet atmospheric plasma jet using argon, air, oxygen and nitrogen gases is reported. bactericidal effect of the plasma jet is also investigated. to that end, longitudinal geometric configuration for the electrodes was chosen because it would increase the jet length. electrical characteristics, jet length dependencies on the applied voltage and gas flow rate wer...
In this work, we first produced microwave plasma ball, then changed the ball into a microwave plasma jet by flowing a working gas through a nozzle. The effect of working gas on the thermal characteristics of the plasma ball and atmospheric pressure microwave plasma jet was investigated. We used resonant absorption scheme by a metallic antenna inside a chamber in which led to the ionization of s...
In this study, a cold atmospheric He plasma jet is investigated. The jet is of dielectric barrier discharge type, consisting of a dielectric tube with two metal ring electrodes. The continuity, momentum and energy conservation equations as well as the Poisson equation for obtaining the potential and the electric field, accompanied with the ideal gas laws, are used for the simulation. The result...
We report the fluorescence emission which is driven by femtosecond laser pulses with a repetition rate of 100 MHz and center wavelength 1040 nm in nitrogen gas jet. The experiment performed enhancement cavity coupled high laser. In contrast to previous observation at low jet, where 391-nm radiation was observed but 337-nm missing, three times stronger than our experiment. By examining dependenc...
Aims. We study an anomaly in the X-ray flux (or luminosity) ratio between the Ovii λλ21.6-22.1 triplet and the Oviii Lyα line seen in classical T Tauri stars (CTTS). This ratio is unusually high when compared with ratios for mainsequence and non-accreting T Tauri stars (Telleschi et al. 2007). We compare these samples to identify the source of the excess. A sample of recently discovered X-ray s...
In this research, a non-thermal atmospheric pressure plasma jet device was constructed for skin wound treatment. For this reason, five mice were treated for five consecutive days for 30 s, in a daily manner. Natural wound healing time was monitored and compared with the treated one in 12 consecutive days. The measurement of voltage, current and power waveforms of the plasma source, the optical ...
In this work, we investigated generating argon cold plasma jet at atmospheric pressure based on dielectric barrier discharge configuration using three electrical power supplies of sinusoidal, pulsed and saw tooth high voltage shapes at 8 KHZ. At first; we describe the electronic circuit features for generating high voltage (HV) wave forms including saw tooth, sinusoidal and pulsed forms. Then, ...
An experimental study of plasma jet at atmospheric pressure was carried out to examine the influence of external transverse magnetic field on it. A magnetic field was applied to the jet in atmospheric pressure by means of a pair of coils, same Helmholtz coil configuration. It was applied transverse to the jet flow. The strength of the direct current magnetic field was 00.057 Tesla between the t...
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