{"help":"Return the metadata of a dataset (package) and its resources. :param id: the id or name of the dataset :type id: string","success":true,"result":[{"id":"4d04cc35-9942-4d19-a4e5-de5b7dda392b","name":"chemistry-nanosecond-plasmas-water","title":"Chemistry of Nanosecond Plasmas in water","author_email":"Achim.vonKeudell@rub.de","maintainer":"Research Data Repository","maintainer_email":"achim.vonkeudell@rub.de","license_title":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/","notes":"\u003Cp\u003EDischarges in liquids are the basis of a range of applications in electrochemistry, waste water treatment or plasma medicine. One advantage of discharges in water is their ability to produce radicals and molecules directly inside liquid with a high conversion efficiency. In this study, H2O2 production in a 10 ns pulsed discharge in water is investigated. The dynamic of these discharges is based on plasma ignition directly inside liquid followed by the formation of a bubble which expands in time before it eventually collapsed. This sequence can be well described by cavitation theory. H2O2 is produced using different plasma conditions varying the treatment time, the pulse frequency between 1 and 100 Hz and the applied voltage in a range from 15 kV to 30 kV. The resulting H2O2 concentration is measured using absorption spectroscopy ex-situ based on a colorimetry method. The results indicate that the main parameter controlling the H2O2 production constitutes the applied voltage. The measured concentrations are compared with a global chemistry model simulating the chemistry involved during a single pulse using pressures and temperatures from the cavitation model. In addition, a global chemical equilibrium model for H2O2 creation is evaluated as well. The models show a good agreement with the data. The energy efficiency for production of H2O2 reaches values up to 4.6 g kW\/h.\u003C\/p\u003E\n","url":"https:\/\/rdpcidat.rub.de\/dataset\/chemistry-nanosecond-plasmas-water","state":"Active","log_message":"Update to resource H2O2 Concentrations ","private":true,"revision_timestamp":"Sun, 03\/21\/2021 - 19:38","metadata_created":"Fri, 12\/27\/2019 - 11:22","metadata_modified":"Sun, 03\/21\/2021 - 19:38","creator_user_id":"97d4ca9e-d6a4-435e-b2fa-290a5ce8358c","type":"Dataset","resources":[{"id":"28569999-5a62-4cd4-bfe4-b9119feb3c5d","revision_id":"","url":"https:\/\/rdpcidat.rub.de\/sites\/default\/files\/SFB1316_B7_2020_D2_R1_CHEMKIN.csv","description":"\u003Cp\u003ECalculation of the conversion of water into dissociation products during expanding of a cavitation bubble. The pressure and temperatures are continuously changing and the water dissociation converts into OH recombination to form H2O2. The first column is the time, the other columns are absolute species numbers. The initial number of water molecules is 10^15.\u003C\/p\u003E\n","format":"csv","state":"Active","revision_timestamp":"Sun, 03\/21\/2021 - 19:39","name":"Chemical Kinetics Model for H2O Conversion during Bubble Expansion","mimetype":"text\/csv","size":"17.67 MB","created":"Mon, 12\/30\/2019 - 22:20","resource_group_id":"ec8154f9-454d-4b85-895c-f5e010310847","last_modified":"Date changed  Sun, 03\/21\/2021 - 19:39"},{"id":"bbd71b6d-5eb9-4295-9501-00bf0aa48153","revision_id":"","url":"https:\/\/rdpcidat.rub.de\/sites\/default\/files\/SFB1316_B7_2020_D2_R2_H2O2CONC.csv","description":"\u003Cp\u003EH2O2 concentrations in micromol\/l as measured during a variation of the HV at the tungsten pin electrode\u003C\/p\u003E\n","format":"csv","state":"Active","revision_timestamp":"Sun, 03\/21\/2021 - 19:39","name":"H2O2 Concentrations ","mimetype":"text\/csv","size":"636 bytes","created":"Mon, 12\/30\/2019 - 22:22","resource_group_id":"ec8154f9-454d-4b85-895c-f5e010310847","last_modified":"Date changed  Sun, 03\/21\/2021 - 19:39"}],"tags":[{"id":"a6933307-e04a-408e-a4d5-8f6330c8173d","vocabulary_id":"2","name":"plasma in liquids"},{"id":"c21e157d-b669-4de5-aa3f-3a54b8ed5ebd","vocabulary_id":"2","name":"h2o2 production"}],"groups":[{"description":"\u003Cp\u003EThe group \u0022Experimental Physics II - Reactive Plasmas\u0022 at the faculty of physics and astronomy at Ruhr University Bochum.\u003C\/p\u003E\n","id":"ec8154f9-454d-4b85-895c-f5e010310847","image_display_url":"https:\/\/rdpcidat.rub.de\/sites\/default\/files\/rublogoweiss_0.png","title":"EP2","name":"group\/ep2"}]}]}