{"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":"bbd490fb-baf1-4c84-8f15-f0c1926baf76","name":"concentration-profiles-oh-and-h2o2-plasma-treated-water-influence-power-gas-mixture-and","title":"Concentration profiles of OH and H2O2 in plasma-treated water: influence of power, gas mixture and treatment distance","author_email":"schoene@aept.rub.de","maintainer":"Research Data Repository","maintainer_email":"achim.vonkeudell@rub.de","license_title":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/","notes":"\u003Cp\u003EPlasma liquid interactions are important for a range of applications. For\u003Cbr \/\u003E\nthese, H2O2 and OH represent two key reactive species, whose concentrations in liquids\u003Cbr \/\u003E\nneed to be controlled for effective application outcomes. Here, a combination of gas\u003Cbr \/\u003E\nand liquid simulations is used to study the concentration profiles of H2O2 and OH in\u003Cbr \/\u003E\nwater treated by a radio-frequency-driven plasma jet, with a glass capillary between the\u003Cbr \/\u003E\nelectrodes, operated in He with admixtures of water vapour. Simulations are compared\u003Cbr \/\u003E\nwith measured H2O2 concentrations and found to be in good qualitative agreement\u003Cbr \/\u003E\nas plasma power and water admixture are varied. Simulation results show that the\u003Cbr \/\u003E\nconcentration profiles of H2O2 in the liquid are mainly determined by transport,\u003Cbr \/\u003E\nwhile those of OH are limited by reactions with H2O2, which consumes OH. For a\u003Cbr \/\u003E\ngiven plasma operating condition, the concentration and penetration depth of H2O2\u003Cbr \/\u003E\nincrease with plasma treatment time, while those of OH tend to decrease because\u003Cbr \/\u003E\nof the increasing H2O2 concentration. Plasma power, water vapour admixture, and\u003Cbr \/\u003E\nthe distance between the jet and the liquid surface all allow for the concentrations of\u003Cbr \/\u003E\nH2O2 and OH to be controlled. The OH delivered from the gas phase to the liquid, and\u003Cbr \/\u003E\nits concentration within the liquid are strongly dependent on the reaction pathways\u003Cbr \/\u003E\noccurring in the effluent region, such that the trends in OH density at the end of\u003Cbr \/\u003E\nthe plasma region differ from those in the liquid. While the concentration of OH in\u003Cbr \/\u003E\nthe liquid is always much lower than that of H2O2, the ratio of the two species can\u003Cbr \/\u003E\nbe controlled over orders of magnitude by varying water admixture and power. The\u003Cbr \/\u003E\nhighest selectivity to OH is at low water admixtures, low powers and short treatment\u003Cbr \/\u003E\ntimes, while the highest selectivity to H2O2 is at high water admixtures, high powers\u003Cbr \/\u003E\nand long treatment times.\u003C\/p\u003E\n","url":"https:\/\/rdpcidat.rub.de\/dataset\/concentration-profiles-oh-and-h2o2-plasma-treated-water-influence-power-gas-mixture-and","state":"Active","log_message":"Edited by IKorolov.","private":true,"revision_timestamp":"Fri, 08\/29\/2025 - 10:50","metadata_created":"Wed, 08\/27\/2025 - 11:29","metadata_modified":"Fri, 08\/29\/2025 - 10:50","creator_user_id":"9821ca35-80bc-467d-a9c5-5902fad7549e","type":"Dataset","resources":[{"id":"adc1e57e-7efb-4826-b8b9-566623537263","revision_id":"","url":"https:\/\/rdpcidat.rub.de\/sites\/default\/files\/data_2.zip","description":"","format":"zip","state":"Active","revision_timestamp":"Fri, 08\/29\/2025 - 10:50","name":"Output data","mimetype":"application\/zip","size":"164.23 MB","created":"Wed, 08\/27\/2025 - 11:44","resource_group_id":"60dfa3fb-4113-4271-8531-8587fa07dcbe","last_modified":"Date changed  Fri, 08\/29\/2025 - 10:50"}],"tags":[{"id":"6bb0791a-db03-4e17-9e1e-31f1e55205c4","vocabulary_id":"2","name":"hydrogen peroxide"},{"id":"1f91c38c-938d-4974-b688-ee92f9ca9fdb","vocabulary_id":"2","name":"hydroxyl"},{"id":"8f7b0f01-f604-402e-b48b-8fda8ab129c7","vocabulary_id":"2","name":"plasma liquid interactions"},{"id":"5c0d1907-de62-4558-8f42-cf72b96ec165","vocabulary_id":"2","name":"plasma jet"},{"id":"5ecc086b-ed18-40e1-a2b5-cb171a1ccf18","vocabulary_id":"2","name":"atmospheric pressure plasma"}],"groups":[{"description":"\u003Cp\u003EThe group \u0022Allgemeine Elektrotechnik und Plasmatechnik\u0022 at the faculty for engineering and information science.\u003C\/p\u003E\n","id":"60dfa3fb-4113-4271-8531-8587fa07dcbe","image_display_url":"https:\/\/rdpcidat.rub.de\/sites\/default\/files\/AEPT2.png","title":"AEPT","name":"group\/aept"}]}]}