{"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":"cdb022d4-7260-459a-9bce-59a7d011deac","name":"simplified-voltage-model-gmaw","title":"A simplified voltage model in GMAW","author_email":"uhrlandt@inp-greifswald.de","maintainer":"INPTDAT \u2013 The Data Platform for Plasma Technology","maintainer_email":"wissenschafts-it@inp-greifswald.de","license_title":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/","notes":"\u003Cp\u003EThe relation between the voltage and the arc length in gas metal arc welding (GMAW) is an important characteristic. It depends on a complex distribution of the electric conductivity along the current path and does not depend on the arc length only. Based on electric measurements and the arc length determination from high-speed arc images, a simplified electrical model is introduced for a pulsed GMAW process. It shows the relation of voltage, current, arc length and free wire length and considers also their temporal evolution during the process in particular during the high-current phase. Previous detailed studies of the sheath voltage and the resistances in the contact tube, the free wire, the droplet depot and the arc in pulsed processes with changing arc lengths have been used. The electrical model shows a sufficient agreement with measurements also for parameter ranges of the wire feed speed and the contact-to-workpiece-distance (CTWD) which have not been considered in the model deduction. This data set includes the model parameters, examples of arc images, measurements of voltage, current and arc length as well as model predictions for voltage and arc length in comparison with the measurements.\u003C\/p\u003E\n","url":"https:\/\/www.inptdat.de\/dataset\/simplified-voltage-model-gmaw","state":"Active","log_message":"Update to resource A simplified voltage model in GMAW - Fig. 8b","private":true,"revision_timestamp":"Fri, 06\/11\/2021 - 12:36","metadata_created":"Fri, 03\/20\/2020 - 22:48","metadata_modified":"Fri, 06\/11\/2021 - 12:36","creator_user_id":"0e27023c-5517-4b3f-b96e-c939dc6a74ff","type":"Dataset","resources":[{"id":"f666adfd-4a39-4edb-9616-f95bd0bacb2d","revision_id":"","url":"https:\/\/www.inptdat.de\/system\/files\/node146_Figure1_0.csv","description":"\u003Cp\u003EExample of measured current and voltage over time for peak current of 350 A, CTWD 18 mm (data set) \u2013 see Fig. 1 in the paper\u003C\/p\u003E\n","format":"csv","state":"Active","revision_timestamp":"Wed, 08\/12\/2020 - 23:33","name":"A simplified voltage model in GMAW - Fig. 1","mimetype":"text\/csv","size":"183.97 KB","created":"Tue, 04\/07\/2020 - 22:58","resource_group_id":"8213480c-adb6-4936-8811-f1dd8f8b3a2f","last_modified":"Date changed  Wed, 08\/12\/2020 - 23:33"},{"id":"bb2d1ca4-e751-4ec7-b1d1-24cc931e51b7","revision_id":"","url":"https:\/\/www.inptdat.de\/system\/files\/node146_Figure2.png","description":"\u003Cp\u003ESimplified images of the arc in the pulse phase for different arc length for peak current of 350 A, CTWD 18 mm (set of images) \u2013 see Fig. 2 in the paper\u003C\/p\u003E\n","format":"png","state":"Active","revision_timestamp":"Fri, 06\/11\/2021 - 12:36","name":"A simplified voltage model in GMAW - Fig. 2","mimetype":"image\/png","size":"110.65 KB","created":"Tue, 04\/07\/2020 - 23:03","resource_group_id":"8213480c-adb6-4936-8811-f1dd8f8b3a2f","last_modified":"Date changed  Fri, 06\/11\/2021 - 12:36"},{"id":"1b622812-9407-4b52-b128-d95f2d425aa1","revision_id":"","url":"https:\/\/www.inptdat.de\/system\/files\/node146_Figure3_0.csv","description":"\u003Cp\u003EResistance of the wire and contact tube over wire length for different peak currents: 350 A (1), 400 A (2), 450 A (3), 500 A (4) 550 A (5) 600 A (6) 650 A (7) (data set) \u2013 see Fig. 3 in the paper\u003C\/p\u003E\n","format":"csv","state":"Active","revision_timestamp":"Wed, 08\/12\/2020 - 23:34","name":"A simplified voltage model in GMAW - Fig. 3","mimetype":"text\/csv","size":"28.22 KB","created":"Tue, 04\/07\/2020 - 23:05","resource_group_id":"8213480c-adb6-4936-8811-f1dd8f8b3a2f","last_modified":"Date changed  Wed, 08\/12\/2020 - 23:34"},{"id":"075a236c-41aa-4161-b18c-dd0a070b231b","revision_id":"","url":"https:\/\/www.inptdat.de\/system\/files\/node146_Figure4_0.csv","description":"\u003Cp\u003ETotal voltage, voltage over wire and contact tube and voltage over the arc including fall voltages as functions of the arc length in the pulse phase for a peak current of 500 A, CTWD 18 mm (data set) \u2013 see Fig. 4 in the paper\u003C\/p\u003E\n","format":"csv","state":"Active","revision_timestamp":"Wed, 08\/12\/2020 - 23:34","name":"A simplified voltage model in GMAW - Fig. 4","mimetype":"text\/csv","size":"255.1 KB","created":"Tue, 04\/07\/2020 - 23:14","resource_group_id":"8213480c-adb6-4936-8811-f1dd8f8b3a2f","last_modified":"Date changed  Wed, 08\/12\/2020 - 23:34"},{"id":"4c4880ba-ee6d-4781-af81-c6a4da407adb","revision_id":"","url":"https:\/\/www.inptdat.de\/system\/files\/node146_Figure5_0.csv","description":"\u003Cp\u003EFall voltage and averaged electric field in the arc column in the pulse phase as functions of the peak current for CTWD 18 mm (data set) \u2013 see Fig. 5 in the paper\u003C\/p\u003E\n","format":"csv","state":"Active","revision_timestamp":"Wed, 08\/12\/2020 - 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The institute carries out research and development from idea to prototype. The topics focus on the needs of the market. At present, plasmas for materials and energy as well as for environment and health are the focus of interest. \u003C\/p\u003E\n","id":"8213480c-adb6-4936-8811-f1dd8f8b3a2f","image_display_url":"https:\/\/www.inptdat.de\/sites\/default\/files\/inp.png","title":"INP","name":"group\/inp"},{"description":"\u003Cp\u003E\u003Cstrong\u003EISF \u2013 Institut f\u00fcr Schwei\u00dftechnik und F\u00fcgetechnik (Welding and Joining Institute)\u003C\/strong\u003E\u003Cbr \/\u003E\nRWTH Aachen University\u003Cbr \/\u003E\nPontstra\u00dfe 49\u003Cbr \/\u003E\n52062 Aachen\u003Cbr \/\u003E\nGERMANY\u003C\/p\u003E\n\u003Cp\u003E\u003Ca href=\u0022http:\/\/www.isf.rwth-aachen.de\u0022\u003Ewww.isf.rwth-aachen.de\u003C\/a\u003E\u003Cbr \/\u003E\n\u003Cspan class=\u0022spamspan\u0022\u003E\u003Cspan class=\u0022u\u0022\u003Eoffice\u003C\/span\u003E\u003Cimg class=\u0022spam-span-image\u0022 alt=\u0022at\u0022 width=\u002210\u0022 src=\u0022\/sites\/all\/modules\/spamspan\/image.gif\u0022 \/\u003E\u003Cspan class=\u0022d\u0022\u003Eisf\u003Cspan class=\u0022t\u0022\u003E [punkt] \u003C\/span\u003Erwth-aachen\u003Cspan class=\u0022t\u0022\u003E [punkt] \u003C\/span\u003Ede\u003C\/span\u003E\u003C\/span\u003E\u003C\/p\u003E\n\u003Cp align=\u0022justify\u0022\u003EThe focus of research at the Welding and Joining Institute (ISF) of RWTH Aachen University is the investigation of all modern industrially relevant non-detachable joining technologies. Those methods include the arc joining processes, the entire spectrum of the electron and laser beam welding methods, resistance and friction welding processes and also adhesive bonding. In connection, also work about the processing of current materials with welding methods, about automation and mechanisation, process simulation and also about occupational safety and environmental protection is carried out.\u003C\/p\u003E\n","id":"8ad4e129-433c-4c67-b94c-1b49061298ab","image_display_url":"https:\/\/www.inptdat.de\/sites\/default\/files\/isf-rwth.png","title":"ISF RWTH Aachen","name":"group\/isf-rwth-aachen"}]}]}