Researcher
Address
Ruhr-Universität Bochum
Fakultät für Elektrotechnik und Informationstechnik
Angewandte Elektrodynamik und Plasmatechnik
Universitätsstraße 150
D-44801 Bochum, Germany
Room
ID 1/539
Phone
+49 234 32 xxxxx
Email
filla(at)aept.rub.de
Publications
2825793
Filla
apa
50
date
desc
year
1
Filla
820
https://www.aept.ruhr-uni-bochum.de/wp-content/plugins/zotpress/
%7B%22status%22%3A%22success%22%2C%22updateneeded%22%3Afalse%2C%22instance%22%3A%22zotpress-d6ef44ef5314583d71232b430d8046b3%22%2C%22meta%22%3A%7B%22request_last%22%3A0%2C%22request_next%22%3A0%2C%22used_cache%22%3Atrue%7D%2C%22data%22%3A%5B%7B%22key%22%3A%226W9Z9F2W%22%2C%22library%22%3A%7B%22id%22%3A2825793%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22H%5Cu00fcbner%20et%20al.%22%2C%22parsedDate%22%3A%222024-11-07%22%2C%22numChildren%22%3A1%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20padding-left%3A%201em%3B%20text-indent%3A-1em%3B%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%3EH%26%23xFC%3Bbner%2C%20G.%2C%20Wilczek%2C%20S.%2C%20Schoeneweihs%2C%20N.%2C%20%3Cstrong%3EFilla%3C%5C%2Fstrong%3E%2C%20D.%2C%20Mussenbrock%2C%20T.%2C%20%26amp%3B%20Korolov%2C%20I.%20%282024%29.%20Streamer%20propagation%20dynamics%20in%20a%20nanosecondpulsed%20surface%20dielectric%20barrier%20discharge%20in%20He%5C%2FN2mixtures.%20%3Ci%3EJournal%20of%20Physics%20D%3A%20Applied%20Physics%3C%5C%2Fi%3E.%20%3Ca%20href%3D%27https%3A%5C%2F%5C%2Fdoi.org%5C%2F10.1088%5C%2F1361-6463%5C%2Fad8fb9%27%3Ehttps%3A%5C%2F%5C%2Fdoi.org%5C%2F10.1088%5C%2F1361-6463%5C%2Fad8fb9%3C%5C%2Fa%3E%20%3Ca%20title%3D%27Cite%20in%20RIS%20Format%27%20class%3D%27zp-CiteRIS%27%20href%3D%27https%3A%5C%2F%5C%2Fwww.aept.ruhr-uni-bochum.de%5C%2Fwp-content%5C%2Fplugins%5C%2Fzotpress%5C%2Flib%5C%2Frequest%5C%2Frequest.cite.php%3Fapi_user_id%3D2825793%26amp%3Bitem_key%3D6W9Z9F2W%27%3ECite%3C%5C%2Fa%3E%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Streamer%20propagation%20dynamics%20in%20a%20nanosecondpulsed%20surface%20dielectric%20barrier%20discharge%20in%20He%5C%2FN2mixtures%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Gerrit%22%2C%22lastName%22%3A%22H%5Cu00fcbner%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Sebastian%22%2C%22lastName%22%3A%22Wilczek%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Nils%22%2C%22lastName%22%3A%22Schoeneweihs%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Dominik%22%2C%22lastName%22%3A%22Filla%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Thomas%22%2C%22lastName%22%3A%22Mussenbrock%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Ihor%22%2C%22lastName%22%3A%22Korolov%22%7D%5D%2C%22abstractNote%22%3A%22An%20atmospheric%20pressure%20surface%20dielectric%20barrier%20discharge%20in%20helium%5Cu2013nitrogen%20mixtures%20is%20investigated%20experimentally%20using%20phase-resolved%20optical%20emission%20spectroscopy%20and%20computationally%20employing%20a%20two-dimensional%20simulation%20framework.%20A%20good%20qualitative%20agreement%20between%20experiments%20and%20simulations%20is%20found.%20It%20is%20shown%20that%20by%20applying%20microsecond%20or%20nanosecond%20driving%20voltage%20waveform%20pulses%2C%20the%20discharge%20exhibits%20filamentary%20or%20homogeneous%20structures.%20The%20time%20evolution%5C%2Fpropagation%20of%20the%20homogeneous%20surface%20ionization%20wave%20for%20different%20nitrogen%20admixtures%2C%20pressures%2C%20and%20applied%20voltage%20is%20studied%20and%20analyzed.%20Both%2C%20simulations%20and%20experiments%20indicate%20that%20for%20the%20positive%20applied%20voltage%20pulse%2C%20a%20streamer%20possessing%20the%20typical%20dynamics%20of%20the%20positive%20streamer%20is%20ignited%20on%20the%20powered%20side%20of%20the%20electrode.%20At%20the%20same%20time%2C%20on%20the%20grounded%20sides%2C%20two%20streamers%20are%20formed%3A%20one%20possessing%20the%20dynamics%20of%20a%20negative%20streamer%2C%20which%20propagates%20towards%20the%20center%20of%20the%20cell%20of%20the%20electrode%20grid%2C%20and%20a%20positive%20one%20in%20the%20opposite%20direction.%20It%20is%20also%20shown%20that%20the%20positive%20streamers%20on%20the%20powered%20side%20are%20partly%20responsible%20for%20the%20velocity%20of%20the%20negative%20streamers%20on%20the%20grounded%20side.%20Simulations%20show%20a%20deceleration%20of%20the%20negative%20streamers%20as%20soon%20as%20two%20positive%20streamers%20collide%20and%20then%20close%20to%20the%20meeting%20point%20vanish%20due%20to%20the%20repulsive%20electrostatic%20interactions%20between%20them.%20Additionally%2C%20from%20the%20time-resolved%20measurements%20of%20the%20emission%20signal%2C%20the%20quenching%20rate%20constants%20of%20the%20He%5Cu2013I%20%283%20s%29%203S1%20state%20by%20collisions%20with%20helium%20and%20nitrogen%20are%20determined%20to%20be%209%28%5Cu00b14%29%20%5Cu00d7%2010%5Cu221212%20cm3%20s%5Cu22121%20and%203%28%5Cu00b11%29%20%5Cu00d7%2010%5Cu221210%20cm3%20s%5Cu22121%2C%20respectively%20at%20T%20%3D%20400%20%5Cu00b1%2050%20K.%22%2C%22date%22%3A%222024-11-07%22%2C%22section%22%3A%22%22%2C%22partNumber%22%3A%22%22%2C%22partTitle%22%3A%22%22%2C%22DOI%22%3A%2210.1088%5C%2F1361-6463%5C%2Fad8fb9%22%2C%22citationKey%22%3A%22%22%2C%22url%22%3A%22https%3A%5C%2F%5C%2Fiopscience.iop.org%5C%2Farticle%5C%2F10.1088%5C%2F1361-6463%5C%2Fad8fb9%22%2C%22PMID%22%3A%22%22%2C%22PMCID%22%3A%22%22%2C%22ISSN%22%3A%220022-3727%2C%201361-6463%22%2C%22language%22%3A%22en%22%2C%22collections%22%3A%5B%5D%2C%22dateModified%22%3A%222024-11-21T14%3A08%3A41Z%22%7D%7D%2C%7B%22key%22%3A%22A3SVVW2X%22%2C%22library%22%3A%7B%22id%22%3A2825793%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Osca%20Engelbrecht%20et%20al.%22%2C%22parsedDate%22%3A%222024-09-01%22%2C%22numChildren%22%3A1%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20padding-left%3A%201em%3B%20text-indent%3A-1em%3B%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%3EOsca%20Engelbrecht%2C%20M.%2C%20Jenderny%2C%20J.%2C%20Hylla%2C%20H.%2C%20%3Cstrong%3EFilla%3C%5C%2Fstrong%3E%2C%20D.%2C%20Awakowicz%2C%20P.%2C%20Korolov%2C%20I.%2C%20Ridgers%2C%20C.%20P.%2C%20%26amp%3B%20Gibson%2C%20A.%20R.%20%282024%29.%20Numerical%20investigation%20of%20vacuum%20ultra-violet%20emission%20in%20Ar%5C%2FO%20%3Csub%3E2%3C%5C%2Fsub%3E%20inductively%20coupled%20plasmas.%20%3Ci%3EPlasma%20Sources%20Science%20and%20Technology%3C%5C%2Fi%3E%2C%20%3Ci%3E33%3C%5C%2Fi%3E%289%29%2C%20095008.%20%3Ca%20href%3D%27https%3A%5C%2F%5C%2Fdoi.org%5C%2F10.1088%5C%2F1361-6595%5C%2Fad7059%27%3Ehttps%3A%5C%2F%5C%2Fdoi.org%5C%2F10.1088%5C%2F1361-6595%5C%2Fad7059%3C%5C%2Fa%3E%20%3Ca%20title%3D%27Cite%20in%20RIS%20Format%27%20class%3D%27zp-CiteRIS%27%20href%3D%27https%3A%5C%2F%5C%2Fwww.aept.ruhr-uni-bochum.de%5C%2Fwp-content%5C%2Fplugins%5C%2Fzotpress%5C%2Flib%5C%2Frequest%5C%2Frequest.cite.php%3Fapi_user_id%3D2825793%26amp%3Bitem_key%3DA3SVVW2X%27%3ECite%3C%5C%2Fa%3E%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Numerical%20investigation%20of%20vacuum%20ultra-violet%20emission%20in%20Ar%5C%2FO%20%3Csub%3E2%3C%5C%2Fsub%3E%20inductively%20coupled%20plasmas%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Michel%22%2C%22lastName%22%3A%22Osca%20Engelbrecht%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jonathan%22%2C%22lastName%22%3A%22Jenderny%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Henrik%22%2C%22lastName%22%3A%22Hylla%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Dominik%22%2C%22lastName%22%3A%22Filla%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Peter%22%2C%22lastName%22%3A%22Awakowicz%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Ihor%22%2C%22lastName%22%3A%22Korolov%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Christopher%20P%22%2C%22lastName%22%3A%22Ridgers%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Andrew%20R%22%2C%22lastName%22%3A%22Gibson%22%7D%5D%2C%22abstractNote%22%3A%22Controlling%20fluxes%20of%20vacuum%20ultraviolet%20%28VUV%29%20radiation%20is%20important%20in%20a%20number%20of%20industrial%20and%20biomedical%20applications%20of%20low%20pressure%20plasma%20sources%20because%2C%20depending%20on%20the%20process%2C%20VUV%20radiation%20may%20be%20desired%2C%20required%20to%20a%20certain%20degree%2C%20or%20unwanted.%20In%20this%20work%2C%20the%20emission%20of%20VUV%20radiation%20from%20O%20atoms%20is%20investigated%20in%20low-pressure%20Ar%5C%2FO2%20inductively%20coupled%20plasmas%20via%20numerical%20simulations.%20For%20this%20purpose%2C%20a%20self-consistent%20Ar%5C%2FO2%20plasma-chemical%20reaction%20scheme%20has%20been%20implemented%20in%20a%20zero%20dimensional%20plasma%20chemical%20kinetics%20model%20and%20is%20used%20to%20investigate%20VUV%20emission%20from%20excited%20O%20atoms%20%283s%205S02%20and%203s%203S01%29%20at%20130%20and%20135%20nm.%20The%20model%20is%20extensively%20compared%20with%20experimental%20measurements%20of%20absolute%20VUV%20emission%20intensities%2C%20electron%20densities%20and%20Ar%20excited%20state%20densities.%20In%20addition%2C%20oxygen%20VUV%20emission%20intensities%20are%20investigated%20as%20a%20function%20of%20pressure%2C%20Ar%5C%2FO2%20mixture%2C%20and%20power%20deposition%20and%20the%20dominant%20reaction%20pathways%20leading%20to%20oxygen%20VUV%20emission%20are%20identified%20and%20described.%20In%20general%20terms%2C%20absolute%20oxygen%20VUV%20emission%20intensities%20increase%20with%20power%20and%20oxygen%20fraction%20over%20the%20ranges%20investigated%20and%20peak%20emission%20intensities%20are%20found%20for%20pressures%20between%205%5Cu201350%20Pa.%20The%20emission%20is%20dominated%20by%20the%20130%20nm%20resonance%20line%20from%20the%20decay%20of%20the%20O%283s%203S01%29%20state%20to%20the%20ground%20state.%20Besides%2C%20at%20low%20pressure%20%280.3%5Cu20131%20Pa%29%2C%20the%20flux%20of%20oxygen%20VUV%20photons%20to%20surfaces%20is%20much%20lower%20than%20that%20of%20positive%20ions%2C%20whereas%20oxygen%20VUV%20fluxes%20dominate%20at%20higher%20pressure%2C%20%5Cu22735%5Cu201350%20Pa%20depending%20on%20O2%20fraction.%20Finally%2C%20oxygen%20atom%20fluxes%20to%20surfaces%20are%2C%20in%20general%2C%20larger%20than%20those%20of%20VUV%20photons%20for%20the%20parameter%20space%20investigated.%22%2C%22date%22%3A%222024-09-01%22%2C%22section%22%3A%22%22%2C%22partNumber%22%3A%22%22%2C%22partTitle%22%3A%22%22%2C%22DOI%22%3A%2210.1088%5C%2F1361-6595%5C%2Fad7059%22%2C%22citationKey%22%3A%22%22%2C%22url%22%3A%22https%3A%5C%2F%5C%2Fiopscience.iop.org%5C%2Farticle%5C%2F10.1088%5C%2F1361-6595%5C%2Fad7059%22%2C%22PMID%22%3A%22%22%2C%22PMCID%22%3A%22%22%2C%22ISSN%22%3A%220963-0252%2C%201361-6595%22%2C%22language%22%3A%22en%22%2C%22collections%22%3A%5B%5D%2C%22dateModified%22%3A%222024-09-23T16%3A27%3A30Z%22%7D%7D%5D%7D
Hübner, G., Wilczek, S., Schoeneweihs, N., Filla, D., Mussenbrock, T., & Korolov, I. (2024). Streamer propagation dynamics in a nanosecondpulsed surface dielectric barrier discharge in He/N2mixtures. Journal of Physics D: Applied Physics. https://doi.org/10.1088/1361-6463/ad8fb9 Cite
Osca Engelbrecht, M., Jenderny, J., Hylla, H., Filla, D., Awakowicz, P., Korolov, I., Ridgers, C. P., & Gibson, A. R. (2024). Numerical investigation of vacuum ultra-violet emission in Ar/O 2 inductively coupled plasmas. Plasma Sources Science and Technology, 33(9), 095008. https://doi.org/10.1088/1361-6595/ad7059 Cite

