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Bio-Decontamination of Water and Surfaces by DC Discharges in Atmospheric Air [chapter]

Zdenko Machala, Barbora Tarabová, Michal Pelach, Zuzana Šipoldová, Karol Hensel, Mário Janda, Libuša Šikurová
2011 Plasma for Bio-Decontamination, Medicine and Food Security  
Two types of DC-driven atmospheric air discharges, including a streamer corona and a transient spark with short high current pulses of limited energy, were employed for bio-decontamination of water and  ...  The discharges combined with the electro-spraying of the treated water through the needle electrode lead to fast and effi cient bio-decontamination.  ...  The human teeth were provided by patients of Dr. O. Šipoldová. We thank P. Lukeš (IPP Prague) for his motivating ideas, and I. Jedlovský and B. Pongrác (FMFI Bratislava) for assistance.  ... 
doi:10.1007/978-94-007-2852-3_3 fatcat:f45wfzpapvahllq7dcjgryk2hq

Plasma agents in bio-decontamination by dc discharges in atmospheric air

Zdenko Machala, Lenka Chládeková, Michal Pelach
2010 Journal of Physics D: Applied Physics  
The discharge current was measured: on a 50 (SC) or 1 (TS) resistor and by a Rogowski current monitor PEARSON 2877.  ...  Figure 2 . 2 Schematics of electrode arrangements for (a) direct and (b, c) indirect plasma treatment of contaminated agar plates.  ... 
doi:10.1088/0022-3727/43/22/222001 fatcat:dcovm7agyjhizguougnctu56tq

The Influence of Humidity on Conduction Processes in Gas-Insulated Devices

Malte Tschentscher, David Graber, Christian Franck
2020 High Voltage  
Whereas in the past, various studies focused on the change in the partial discharge inception voltages, breakdown strength of homogeneous and inhomogeneous field arrangements, and insulator flashover voltage  ...  In the framework of this contribution, a highly precise humidity control circuit has been developed to analyse the significance of humidity in the range from −25 to −5°C frost-point, which is fully applicable  ...  Acknowledgment The authors gratefully acknowledge the technical help and financial support of the ABB Switzerland Ltd and wish to thank Daniel Mutter (MBW) for his continuous help, advice and discussion  ... 
doi:10.1049/hve.2019.0315 fatcat:7orc72j2zze5djwvjshjhgqshu

Effect of Water Parameters on Decolourization Efficiency of Organic Dyes by Dielectric Barrier Discharge Plasma

Mohamed El Shaer, Mona Mobasher, Mohamed Habib
2021 Ecological Engineering & Environmental Technology  
Plasma was generated by a Pin-water surface DBD between a metal pin electrode placed in air and the surface of an aqueous dye solution filling a glass container.  ...  Nonthermal plasma discharge is used for the decolourization of dyes used in textile industry. Two dyes were considered, namely methylene blue and malachite green in aqueous solution.  ...  Acknowledgments Authors acknowledge the support of the National Network for Nuclear Science (NNS) of the Academy of Scientific Research and Technology (ASRT) -Egypt, during this work.  ... 
doi:10.12912/27197050/132092 fatcat:3svpsfnctzg63pwngcxakujuhy

2020 Index IEEE Transactions on Plasma Science Vol. 48

2020 IEEE Transactions on Plasma Science  
Liu, L., +, TPS Dec. 2020 4289-4297 Current-voltage characteristics Computational and Experimental Study of Time-Averaged Characteristics of Positive and Negative DC Corona Discharges in Point-Plane  ...  ., +, TPS Oct. 2020 3679-3685 Ion Wind in a Three-Electrode Surface Barrier Discharge Arrangement.  ...  Hazards Impact of Technology Hazards and Regulatory Methods on Commercial Fusion Development.  ... 
doi:10.1109/tps.2021.3056759 fatcat:w7kpiz6nsrb6visxwkz5i7i7ze

State of the art in medical applications using non-thermal atmospheric pressure plasma

Hiromasa Tanaka, Kenji Ishikawa, Masaaki Mizuno, Shinya Toyokuni, Hiroaki Kajiyama, Fumitaka Kikkawa, Hans-Robert Metelmann, Masaru Hori
2017 Reviews of Modern Plasma Physics  
Direct and indirect treatment of cells with plasma has broadened the applications of non-thermal atmospheric pressure plasma in medicine.  ...  Examples of indirect treatment include plasma-assisted immune-therapy and plasma-activated medium. Controlling intracellular redox balance may be key in plasma cancer treatment.  ...  in terms of the current-voltage (IV) characteristics of the system.  ... 
doi:10.1007/s41614-017-0004-3 fatcat:pufydrkdgfhu5gjs27w3yybkne

Reviewing Plasma Seed Treatments for Advancing Agriculture Applications on Earth and Into the Final Frontier

Annie Meier, Deborah Essumang, Mary Hummerick, Christina Johnson, Mirielle Kruger, Gioia Massa, Kenneth Engeling
2021 Gravitational and space research : publication of the American Society for Gravitational and Space Research  
In order to supply a spectrum of nutritional needs, it is necessary to provide a variety of crops and ensure biological decontamination before the seeds are being sent into space.  ...  This review paper brings together the current state-of-the-art reported literature to aide in understanding plasma seed application apparatus, seed or crop performance pertaining to germination, growth  ...  Glass plate 180 s DBD 10 kHz Growth (+); 2014) line AC. P2P NO x and O 3 discharge emissions (0) voltage and current 9.2 kV/0.2 A.  ... 
doi:10.2478/gsr-2021-0011 fatcat:xyqywlerlnfohfnqzophtzoe3i

Pulsed positive corona discharges : fundamental study and application to flue gas treatment [article]

YLM Yves Creyghton, WR Wijnand Rutgers, LHTh Rietjens, EM Eddie Van Veldhuizen
The general characteristics and the terminology of corona discharges will be presented in 1.2.  ...  After corona inception at t =260 ns, thus during the discharge current pulse, a voltage drop over Rd 1 (500 Cl) is visible in the measured voltage pulse.  ...  assistance with the builctup of the experiments and for always willing to help. Loek Baede. Thanks for the excellent support in the fields of opties and high voltage engineering. Mohamed Yousfi.  ... 
doi:10.6100/ir421458 fatcat:h2jhyjvefjf35kb7oewa6dff2a

Cylindrospermopsin is effectively degraded in water by pulsed corona-like and dielectric barrier discharges [article]

Marcel Schneider, Raphael Rataj, Juergen F. Kolb, Luděk Bláha, University, My
A degradation efficacy of 0.03 ± 0.00 g kWh−1 L−1 was found for a dielectric barrier discharge (DBD) operated in air, while a submerged pulsed corona-like discharge resulted in an efficacy of 0.24 ± 0.02  ...  In comparison, degradation by the DBD could be related primarily to the generation of ozone. © 2020 The AuthorsThe degradation of cylindrospermopsin by a pulsed corona-like discharge in water was more  ...  Lucie Bl ahov a, Hana Klimov a and Dr. Katja Zocher for their assistance and advice in the laboratory and David Kone cný for constructive criticism on the manuscript.  ... 
doi:10.34657/5944 fatcat:ckv7qkmobrdfvknydsrswexxyi

Pulsed corona in air for water treatment [article]

Grabowski, LR (Lukas), Kroesen, GMW (Gerrit), Veldhuizen, EM (Eddie) Van, Rutgers, WR (Wijnand)
His aid helped me to carry on in the most difficult periods of my work. His excessive knowledge, interest and  ...  Acknowledgements At the end of the thesis I would like to thank all people, who directly or indirectly contributed to the successful completion of this work.  ...  In case of the Aerosol system, a workshop-made capacitive divider and a Rogowski coil incorporated into the HV bushing monitored voltage and current.  ... 
doi:10.6100/ir607922 fatcat:mzvp4asjqzec3lhl76q3dskhh4

Dielectric strength behaviour and mechanical properties of transparent insulation materials suitable to optical monitoring of partial discharges [article]

Chaiyaporn Lothongkam, University, My
The term "partial discharge" includes a wide group of discharge phenomena: i) Corona or gas discharge; this occurs due to a non-uniform field on sharp edges of the conductor subjected to high voltage especially  ...  η Figure 3 . 2 : 32 Breakdown and corona inception voltage for the electrode arrangement of Figure 3.1 in atmospheric air (normal conditions) with ݀ = 10 cm, for positive and negative DC voltage (η  ... 
doi:10.15488/8317 fatcat:fmkm7ynytrcfpgj6touvsg2lqm

Atmospheric pressure Radio Frequency discharges, diagnostic and numerical modeling [article]

Nicolas Balcon, University, The Australian National, University, The Australian National
The aim of this thesis is to investigate the properties of a Radio Frequency capacitive discharge at atmospheric pressure in argon.  ...  In the first part of the I-V characteristic, for values of the current density lower than 120 mA/cm 2 , the current increases linearly with a rising voltage as in classical RF discharges (Kunhardt, 2000  ...  A Rogowski coil (Clamp-on Current Probe, 9323-1 20Hz-300MHz ) collects the discharge current that goes to the ground.  ... 
doi:10.25911/5d7a2c3d58083 fatcat:3ehxjfkryrflzkl2uxtzjdsz4i

Lightning Experiments: an Effective Approach to the Research of Lightning Physics. Aerospace Lab Issue 5

E Williams, S Heckman X, R Qie, P Jiang, Laroche-Triggering, P Laroche, A Blanchet, F Delannoy, Issac P, V Lalande, Mazur-A P, A Lalande (+9 others)
2012 Indirect Effects of Lightning on Aircraft and Rotorcraft. Aerospace Lab Issue   unpublished
Issue 5 -December 2012 -Electrical Environment in a Storm Cloud AL05-01  ...  Awareness of the need for an in-depth knowledge and understanding of the entire physical aspect of the interaction between lightning and aircraft arose at that time.  ...  The invitation of Pierre Laroche to prepare this paper is also much appreciated.  ... 

Experimental study of reverse shock structure in magnetised high energy density plasma flows driven by an inverse wire array Z pinch

Lee Suttle, Sergey Lebedev, Engineering And Physical Sciences Research Council, Department Of Energy (U.S.)
of current loops within the region, which locally enhance the field strength.  ...  In addition to the expected accumulation of stagnated plasma material in a thin, high density (strong shock) layer at the obstacle surface, a separate detached shock-like transition is also observed upstream  ...  The constant, square-wave voltage of the pulse has the effect of driving a linearly rising current into the VTL, since (3.7) PFLs are arranged in parallel about the VTL and their switches are ideally  ... 
doi:10.25560/25124 fatcat:p6tw35nj75fjnmnj4naejzokgq

Controlled deformation, rupture and dewetting of thin liquid films on partially-wetting substrates [article]

CWJ Christian Berendsen, AA Anton Darhuber, JCH Jos Zeegers
Thanks to Ellen Moons and Andrzej Dzwilewski of Karlstad University in Sweden for their hospitality and letting me use their laboratory to perform Kelvin probe measurements and thanks to Rafal Rogowski  ...  The charge was deposited using a needle of diameter D needle =6 mm at a voltage D needle = −1250 V.  ...  Fig. 8.1(b) shows a two-dimensional surface charge distribution σ(x, y) in the shape of a TU/e logo using a needle of D needle =1.3 mm diameter at a voltage of V needle =1250 V.  ... 
doi:10.6100/ir760052 fatcat:ojpsdi3gxjdixi3oetzs2jadxm