VORÁČ, Jan, Lucia POTOČŇÁKOVÁ, Petr SYNEK, Jaroslav HNILICA a Vít KUDRLE. Gas mixing enhanced by power modulations in atmospheric pressure microwave plasma jet. Plasma Sources Science and Technology. Bristol: IOP Pub., 2016, roč. 25, č. 2, s. "nestrankovano", 15 s. ISSN 0963-0252. |
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@article{21766, author = {Voráč, Jan and Potočňáková, Lucia and Synek, Petr and Hnilica, Jaroslav and Kudrle, Vít}, article_location = {Bristol}, article_number = {2}, keywords = {microwave plasma; atmospheric pressure; plasma jet; gas mixing; vortex}, language = {eng}, issn = {0963-0252}, journal = {Plasma Sources Science and Technology}, title = {Gas mixing enhanced by power modulations in atmospheric pressure microwave plasma jet}, url = {http://iopscience.iop.org/article/10.1088/0963-0252/25/2/025018}, volume = {25}, year = {2016} }
TY - JOUR ID - 21766 AU - Voráč, Jan - Potočňáková, Lucia - Synek, Petr - Hnilica, Jaroslav - Kudrle, Vít PY - 2016 TI - Gas mixing enhanced by power modulations in atmospheric pressure microwave plasma jet JF - Plasma Sources Science and Technology VL - 25 IS - 2 SP - "nestrankovano" EP - "nestrankovano" PB - IOP Pub. SN - 0963-0252 KW - microwave plasma KW - atmospheric pressure KW - plasma jet KW - gas mixing KW - vortex UR - http://iopscience.iop.org/article/10.1088/0963-0252/25/2/025018 N2 - Microwave plasma jet operating in atmospheric pressure argon was power modulated by audio frequency sine envelope in the 10^2 W power range. Its effluent was imaged using interference filters and ICCD camera for several different phases of the modulating signal. The combination of this fast imaging with spatially resolved optical emission spectroscopy provides useful insights into the plasmachemical processes involved. Phase-resolved schlieren photography was performed to visualize the gas dynamics. The results show that for higher modulation frequencies the plasma chemistry is strongly influenced by formation of transient flow perturbation resembling a vortex during each period. The perturbation formation and speed are strongly influenced by the frequency and power variations while they depend only weakly on the working gas flow rate. From application point of view, the perturbation presence significantly broadened lateral distribution of active species, effectively increasing cross-sectional area suitable for applications. ER -
VORÁČ, Jan, Lucia POTOČŇÁKOVÁ, Petr SYNEK, Jaroslav HNILICA a Vít KUDRLE. Gas mixing enhanced by power modulations in atmospheric pressure microwave plasma jet. \textit{Plasma Sources Science and Technology}. Bristol: IOP Pub., 2016, roč.~25, č.~2, s.~''nestrankovano'', 15 s. ISSN~0963-0252.
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