The effect of power supply parameters on spectral lines in atmospheric pressure plasma jets (APPJs) using the He Stark broadening in optical emission spectroscopy
Sign Up to like & getrecommendations! Published in 2019 at "Optik"
DOI: 10.1016/j.ijleo.2018.09.056
Abstract: Abstract In this work, contribution of all the broadenings in the emission line broadening in atmospheric pressure plasma jets (APPJs) have been determined for the cases of 667 nm and 728 nm lines. By fitting the experimental… read more here.
Keywords: plasma jets; spectroscopy; stark broadening; atmospheric pressure ... See more keywords
Comparison Between the Water Activation Effects by Pulsed and Sinusoidal Helium Plasma Jets
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DOI: 10.1063/1.5016510
Abstract: Comparisons between pulsed and sinusoidal plasma jets have been extensively reported for the discharge characteristics and gaseous reactive species, but rarely for the aqueous reactive species in water solutions treated by the two types of… read more here.
Keywords: reactive species; water; plasma jet; pulsed sinusoidal ... See more keywords
Observation of collisionless-to-collisional transition in colliding plasma jets with optical Thomson scattering
Sign Up to like & getrecommendations! Published in 2019 at "Physics of Plasmas"
DOI: 10.1063/1.5047218
Abstract: This paper reports the results of an optical (526.5 nm) Thomson scattering investigation of low-Z (C5H8O2) plasma jets created on the OMEGA laser. We were able to measure the plasma parameters of individual jets and investigate… read more here.
Keywords: thomson scattering; plasma jets; collisional transition; interaction ... See more keywords
Non-thermal air plasma jets at atmospheric pressure: The flow-dependent propagation in the afterglow
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DOI: 10.1063/1.5052187
Abstract: With a bare pin-to-nozzle electrode configuration, an ac-driven non-thermal air plasma jet with a length of several centimeters is generated. Depending on the gas flow rate, the propagation speed of these plasma columns is in… read more here.
Keywords: plasma jets; plasma jet; plasma; air plasma ... See more keywords
Nanofabrication by thermal plasma jets: From nanoparticles to low-dimensional nanomaterials
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DOI: 10.1063/1.5060977
Abstract: Current fabrication of nanomaterials is facing the following two challenges: high selectivity toward specific chemical compositions or morphologies and their scalable production. This usually requires new extreme fabrication conditions beyond the conventional approaches. Thermal plasma… read more here.
Keywords: thermal plasma; low dimensional; fabrication; nanoparticles low ... See more keywords
Experimental characterization of a section of a spherically imploding plasma liner formed by merging hypersonic plasma jets
Sign Up to like & getrecommendations! Published in 2020 at "Physics of Plasmas"
DOI: 10.1063/1.5126855
Abstract: We report experimental results on merging of hypersonic plasma jets, which is the fundamental building block for forming spherically imploding plasma liners as a potential standoff compression driver for mangeto-inertial fusion. Jets are formed and… read more here.
Keywords: merging hypersonic; plasma; jet; hypersonic plasma ... See more keywords
Current polarity effects on laboratory plasma jets
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DOI: 10.1063/5.0048400
Abstract: Plasma jets produced by a pulsed power machine were investigated using Thomson scattering and other diagnostics in order to make detailed comparisons to simulations. These jets were produced from a 15 μm thick disk of Al… read more here.
Keywords: polarity effects; effects laboratory; plasma jets; polarity ... See more keywords
An investigation of shock formation vs shock mitigation of colliding plasma jets
Sign Up to like & getrecommendations! Published in 2022 at "Physics of Plasmas"
DOI: 10.1063/5.0135389
Abstract: This work studies the interaction between colliding plasma jets to understand regimes in which jet merging results in shock formation vs regimes in which the shock formation is mitigated due to the collisionless interpenetration of… read more here.
Keywords: colliding plasma; plasma jets; investigation shock; shock ... See more keywords
Visualization of electrical interaction among close-packed atmospheric pressure plasma jets
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DOI: 10.1063/5.0194963
Abstract: Plasma jet arrays can flexibly generate large-scale plasma in ambient air for surface treatment. Close arrangement of plasma jets inevitably induces a complex electrical interaction, which reshapes plasma plumes and destabilizes the treatment process. Understanding… read more here.
Keywords: interaction; electrical interaction; surface treatment; plasma jets ... See more keywords
Hydrodynamic-based measurements of energy deposition in atmospheric pressure plasma jets
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DOI: 10.1063/5.0279581
Abstract: Time-resolved gas density and temperature of atmospheric pressure plasma jets were measured using a novel interferometric technique capable of resolving the dynamics of weak shock waves generated by short, repetitive electric discharges. The measured parameters—shock… read more here.
Keywords: pressure plasma; atmospheric pressure; energy; energy deposition ... See more keywords
Numerical simulation of capillary helium and helium−oxygen atmospheric pressure plasma jets: propagation dynamics and interaction with dielectric
Sign Up to like & getrecommendations! Published in 2018 at "Plasma Sources Science and Technology"
DOI: 10.1088/1361-6595/aadeb8
Abstract: Atmospheric pressure plasma jets (APPJs) can be generated in capillary tubes flowing with pure helium and with admixtures of oxygen into the pure helium. The jet exiting the tube can be used for a variety… read more here.
Keywords: oxygen; helium plasma; jet; plasma jets ... See more keywords