{"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":"b57b0698-5708-4a04-b264-c27f16186f7c","name":"self-consistent-cathode-plasma-coupling-and-role-fluid-flow-approach-torch-modelling-dataset","title":"Self-consistent Cathode-Plasma Coupling and Role of the Fluid Flow Approach in Torch Modelling - Dataset","author_email":"baeva@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 data set is related to a two-dimensional and stationary magneto-hydrodynamic model of a plasma spray torch operated with argon, which is developed to predict the plasma properties in a steady operating mode. The model couples a submodel of a refractory cathode and its non-equilibrium boundary layer to a submodel of the plasma in local thermodynamic equilibrium in a self-consistent manner. The Navier-Stokes equations for a laminar and compressible flow are solved in terms of low- and high-Mach number numerical approaches. The results show that the Mach number can reach values close to one. Simulations are performed for electric currents of 600 A and 800 A, and gas flow rates of 40, 60, and 80 NLPM. The plasma parameters obtained by the two approaches differ and the differences become more pronounced for higher currents and gas flow rates. The arc voltage, the electric power, and the thermal efficiency from both the low-and high-Mach number models of the plasma agree well with experimental findings for a current of 600 A and a flow rate of 40 NLPM. For higher currents and gas flow rates, the results of the low- and high-Mach number models gradually differ and underline the greater appropriateness of the high-Mach number model.\u003C\/p\u003E\n","url":"https:\/\/www.inptdat.de\/dataset\/self-consistent-cathode-plasma-coupling-and-role-fluid-flow-approach-torch-modelling-dataset","state":"Active","log_message":"Update to resource Self-consistent Cathode-Plasma Coupling and Role of the Fluid Flow Approach in Torch Modelling - Figure 10 (upper_part): The current density from the high-Mach-number model. ","private":true,"revision_timestamp":"Wed, 11\/24\/2021 - 10:55","metadata_created":"Tue, 09\/21\/2021 - 10:43","metadata_modified":"Wed, 11\/24\/2021 - 10:55","creator_user_id":"0e27023c-5517-4b3f-b96e-c939dc6a74ff","type":"Dataset","resources":[{"id":"8f3afd03-01a0-4a97-a115-dbc412fca42b","revision_id":"","url":"https:\/\/www.inptdat.de\/system\/files\/node384_Fig2.csv","description":"\u003Cp\u003EThe operating conditions (power, voltage, current, and flow rate) are recorded over a time interval of 1 hour with a time step of 1 s. The operation mode was sustained, as the current s held constant by adjusting the applied voltage. The conditions are: a flow rate of argon (40.0\u00b10.3) NLPM, an electric current of (599.10\u00b10.15) A, a voltage of (32.1\u00b10.2) V, and an electric power of (19.20\u00b10.12) kW.\u003C\/p\u003E\n","format":"csv","state":"Active","revision_timestamp":"Wed, 11\/24\/2021 - 10:54","name":"Self-consistent Cathode-Plasma Coupling and Role of the Fluid Flow Approach in Torch Modelling - Figure 2: Recorded operation conditions of the plasma spray torch.","mimetype":"text\/csv","size":"126.53 KB","created":"Mon, 09\/20\/2021 - 15:27","resource_group_id":"8213480c-adb6-4936-8811-f1dd8f8b3a2f","last_modified":"Date changed  Wed, 11\/24\/2021 - 10:54"},{"id":"2c90d9cc-f242-4133-be15-b7c2ec0e5996","revision_id":"","url":"https:\/\/www.inptdat.de\/system\/files\/node384_Fig5a.csv","description":"\u003Cp\u003EThe heat flux to the cathode for W-La cathode as a function of the surface temperature T_w and the voltage drop in the cathode boundary layer. The transfer function is obtained for the work function 2.7 eV, the Richardson constant 0.08\u221910^6 A\/(m^2K^2).\u003C\/p\u003E\n","format":"csv","state":"Active","revision_timestamp":"Wed, 11\/24\/2021 - 10:54","name":"Self-consistent Cathode-Plasma Coupling and Role of the Fluid Flow Approach in Torch Modelling - Figure 5a: The transfer function  q_c (T_w,U) .","mimetype":"text\/csv","size":"9.11 KB","created":"Mon, 09\/20\/2021 - 15:28","resource_group_id":"8213480c-adb6-4936-8811-f1dd8f8b3a2f","last_modified":"Date changed  Wed, 11\/24\/2021 - 10:54"},{"id":"dab6a366-19ea-43e2-8e8c-d2033e62ae4e","revision_id":"","url":"https:\/\/www.inptdat.de\/system\/files\/node384_Fig5b.csv","description":"\u003Cp\u003ENormal current density at the cathode as a function of the surface temperature and the voltage drop in the cathode boundary layer. The data is obtained for W-La cathode with  work function 2.7 eV, Richardson constant 0.08\u221910^6 A\/(m^2K^2).\u003C\/p\u003E\n","format":"csv","state":"Active","revision_timestamp":"Wed, 11\/24\/2021 - 10:54","name":"Self-consistent Cathode-Plasma Coupling and Role of the Fluid Flow Approach in Torch Modelling - Figure 5b: The transfer functions   j_w,c (T_w,U). ","mimetype":"text\/csv","size":"12.09 KB","created":"Mon, 09\/20\/2021 - 15:29","resource_group_id":"8213480c-adb6-4936-8811-f1dd8f8b3a2f","last_modified":"Date changed  Wed, 11\/24\/2021 - 10:54"},{"id":"cecebe44-ea37-489c-a2db-fa96cb4bebbb","revision_id":"","url":"https:\/\/www.inptdat.de\/system\/files\/node384_Fig6.csv","description":"\u003Cp\u003EThe predicted voltage drop in the cathode boundary layer for current between 100 and 800 A.\u003C\/p\u003E\n","format":"csv","state":"Active","revision_timestamp":"Wed, 11\/24\/2021 - 10:54","name":"Self-consistent Cathode-Plasma Coupling and Role of the Fluid Flow Approach in Torch Modelling - Figure 6: Voltage drop in the cathode boundary layer as a function of the arc current.","mimetype":"text\/csv","size":"114 bytes","created":"Mon, 09\/20\/2021 - 15:30","resource_group_id":"8213480c-adb6-4936-8811-f1dd8f8b3a2f","last_modified":"Date changed  Wed, 11\/24\/2021 - 10:54"},{"id":"a5fa53f9-538d-40e9-a7ba-6e6ab77e17d7","revision_id":"","url":"https:\/\/www.inptdat.de\/system\/files\/node384_Fig7a.csv","description":"\u003Cp\u003EThe temperature is computed from the heat and current transfer in the cathode for a given total current applying the transfer functions q_c and j_wc as boundary conditions.\u003C\/p\u003E\n","format":"csv","state":"Active","revision_timestamp":"Wed, 11\/24\/2021 - 10:54","name":"Self-consistent Cathode-Plasma Coupling and Role of the Fluid Flow Approach in Torch Modelling - Figure 7a: Distribution of the temperature T_w on the cathode surface for arc currents of 300 A, 600 A, and 800 A.","mimetype":"text\/csv","size":"9.86 KB","created":"Mon, 09\/20\/2021 - 15:31","resource_group_id":"8213480c-adb6-4936-8811-f1dd8f8b3a2f","last_modified":"Date changed  Wed, 11\/24\/2021 - 10:54"},{"id":"933d0375-9d10-49b4-89ad-eb938b364f4d","revision_id":"","url":"https:\/\/www.inptdat.de\/system\/files\/node384_Fig7b.csv","description":"\u003Cp\u003EThe current density is computed from the heat and current transfer in the cathode for a given total current applying the transfer functions q_c and j_wc as boundary conditions.\u003C\/p\u003E\n","format":"csv","state":"Active","revision_timestamp":"Wed, 11\/24\/2021 - 10:54","name":"Self-consistent Cathode-Plasma Coupling and Role of the Fluid Flow Approach in Torch Modelling - Figure 7b: Distribution of the normal current density j_w,c along the cathode surface.","mimetype":"text\/csv","size":"10.8 KB","created":"Mon, 09\/20\/2021 - 15:31","resource_group_id":"8213480c-adb6-4936-8811-f1dd8f8b3a2f","last_modified":"Date changed  Wed, 11\/24\/2021 - 10:54"},{"id":"73d26db1-5f36-40e2-bfad-8f07461a192c","revision_id":"","url":"https:\/\/www.inptdat.de\/system\/files\/node384_Fig7c.csv","description":"\u003Cp\u003EThe electron temperature in the cathode boundary layer results from the combined model of the cathode and its boundary layer.\u003C\/p\u003E\n","format":"csv","state":"Active","revision_timestamp":"Wed, 11\/24\/2021 - 10:54","name":"Self-consistent Cathode-Plasma Coupling and Role of the Fluid Flow Approach in Torch Modelling - Figure 7c: Distribution of the electron temperature on the edge between the cathode boundary layer and the LTE plasma.","mimetype":"text\/csv","size":"9.91 KB","created":"Mon, 09\/20\/2021 - 15:31","resource_group_id":"8213480c-adb6-4936-8811-f1dd8f8b3a2f","last_modified":"Date changed  Wed, 11\/24\/2021 - 10:54"},{"id":"b4144fae-8ede-4d0a-a9a7-85873405b1b1","revision_id":"","url":"https:\/\/www.inptdat.de\/system\/files\/node384_Fig8_down_part_Low_Ma.csv","description":"\u003Cp\u003ECurrent 600 A, gas flow rate of argon 40 NLPM.\u003C\/p\u003E\n","format":"csv","state":"Active","revision_timestamp":"Wed, 11\/24\/2021 - 10:54","name":"Self-consistent Cathode-Plasma Coupling and Role of the Fluid Flow Approach in Torch Modelling - Figure 8 (down_part): The temperature field from the low-Mach-number model. 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