disruption¶
Description of physics quantities of specific interest during a disruption, in particular halo currents, etc …
Maximum occurrences (MDS+ backend only): 1
New in version 3.25.0: lifecycle status alpha
Changed in version 4.1.0.
ids_propertiesstructure¶
See common IDS structure reference: ids_properties.
global_quantitiesstructure¶Global quantities
Global quantities
global_quantities/current_halo_phi(:) ⇹AFLT_1D¶Toroidal halo current
Toroidal halo current
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Changed in version 3.42.0: Renamed from current_halo_tor
global_quantities/power_ohm_halo(:) ⇹WFLT_1D¶Ohmic power in the halo region
Ohmic power in the halo region
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global_quantities/power_parallel_halo(:) ⇹WFLT_1D¶Power of the parallel heat flux in the halo region
Power of the parallel heat flux in the halo region
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global_quantities/power_radiated_electrons_impurities(:) ⇹WFLT_1D¶Total power radiated by electrons on impurities
Total power radiated by electrons on impurities
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global_quantities/power_radiated_electrons_impurities_halo(:) ⇹WFLT_1D¶Power radiated by electrons on impurities in the halo region
Power radiated by electrons on impurities in the halo region
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global_quantities/energy_ohm(:) ⇹JFLT_1D¶Total ohmic cumulated energy (integral of the power over the […]
Total ohmic cumulated energy (integral of the power over the disruption duration)
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global_quantities/energy_ohm_halo(:) ⇹JFLT_1D¶Ohmic cumulated energy (integral of the power over the disruption […]
Ohmic cumulated energy (integral of the power over the disruption duration) in the halo region
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global_quantities/energy_parallel_halo(:) ⇹JFLT_1D¶Cumulated parallel energy (integral of the heat flux parallel […]
Cumulated parallel energy (integral of the heat flux parallel power over the disruption duration) in the halo region
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global_quantities/energy_radiated_electrons_impurities(:) ⇹JFLT_1D¶Total cumulated energy (integral of the power over the disruption […]
Total cumulated energy (integral of the power over the disruption duration) radiated by electrons on impurities
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global_quantities/energy_radiated_electrons_impurities_halo(:) ⇹JFLT_1D¶Cumulated energy (integral of the power over the disruption duration) […]
Cumulated energy (integral of the power over the disruption duration) radiated by electrons on impurities in the halo region
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global_quantities/psi_halo_boundary(:) ⇹WbFLT_1D¶Poloidal flux at halo region boundary. […]
Poloidal flux at halo region boundary. For a positive plasma current (counter-clockwise when viewed from above), increases from the magnetic axis to the boundary
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global_quantities/phi_halo_boundary(:) ⇹WbFLT_1D¶Toroidal flux at halo region boundary. […]
Toroidal flux at halo region boundary. Positive when the toroidal magnetic field is counter-clockwise when viewed from above
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New in version >4.0.0.
global_quantities/phi_halo_boundary_poloidal_current(:) ⇹WbFLT_1D¶Toroidal flux at halo region boundary generated by the plasma […]
Toroidal flux at halo region boundary generated by the plasma poloidal current. Positive when the toroidal magnetic field is counter-clockwise when viewed from above
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New in version >4.0.0.
halo_currents(itime)AoS¶Halo currents geometry and values for a set of time slices
Halo currents geometry and values for a set of time slices
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halo_currents(itime)/area(i1)AoS¶Set of wall areas through which there are halo currents
Set of wall areas through which there are halo currents
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halo_currents(itime)/area(i1)/start_pointstructure¶Position of the start point of this area
Position of the start point of this area
profiles_1d(itime)AoS¶Radial profiles for a set of time slices
Radial profiles for a set of time slices
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profiles_1d(itime)/gridstructure¶Radial grid
Radial grid
profiles_1d(itime)/grid/rho_tor_norm(:) ⇹1FLT_1D¶Normalized toroidal flux coordinate. […]
Normalized toroidal flux coordinate. The normalizing value for rho_tor_norm, is the toroidal flux coordinate at the equilibrium boundary (LCFS or 99.x % of the LCFS in case of a fixed boundary equilibium calculation, see time_slice/boundary/b_flux_pol_norm in the equilibrium IDS)
Alternatives for this coordinate
The following items may be used as a coordinate instead of rho_tor_norm:
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profiles_1d(itime)/grid/rho_tor(:) ⇹mFLT_1D¶Toroidal flux coordinate = sqrt(phi/(pi\*b0)), where the toroidal […]
Toroidal flux coordinate = sqrt(phi/(pi*b0)), where the toroidal magnetic field, b0, corresponds to that stored in vacuum_toroidal_field/b0 and pi can be found in the IMAS constants
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profiles_1d(itime)/grid/rho_pol_norm(:) ⇹1FLT_1D¶Normalized poloidal flux coordinate = sqrt((psi(rho)-psi(magnetic_axis)) […]
Normalized poloidal flux coordinate = sqrt((psi(rho)-psi(magnetic_axis)) / (psi(LCFS)-psi(magnetic_axis)))
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profiles_1d(itime)/grid/psi(:) ⇹WbFLT_1D¶Poloidal magnetic flux. […]
Poloidal magnetic flux. Integral of magnetic field passing through a contour defined by the intersection of a flux surface passing through the point of interest and a Z=constant plane. If the integration surface is flat, the surface normal vector is in the increasing vertical coordinate direction, Z, namely upwards.
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profiles_1d(itime)/grid/volume(:) ⇹m^3FLT_1D¶Volume enclosed inside the magnetic surface
Volume enclosed inside the magnetic surface
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profiles_1d(itime)/grid/area(:) ⇹m^2FLT_1D¶Cross-sectional area of the flux surface
Cross-sectional area of the flux surface
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profiles_1d(itime)/grid/surface(:) ⇹m^2FLT_1D¶Surface area of the toroidal flux surface
Surface area of the toroidal flux surface
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profiles_1d(itime)/grid/psi_magnetic_axis ⇹WbFLT_0D¶Value of the poloidal magnetic flux at the magnetic axis (useful […]
Value of the poloidal magnetic flux at the magnetic axis (useful to normalize the psi array values when the radial grid doesn’t go from the magnetic axis to the plasma boundary). For a positive plasma current (counter-clockwise when viewed from above), increases from the magnetic axis to the boundary
profiles_1d(itime)/grid/psi_boundary ⇹WbFLT_0D¶Value of the poloidal magnetic flux at the plasma boundary (useful […]
Value of the poloidal magnetic flux at the plasma boundary (useful to normalize the psi array values when the radial grid doesn’t go from the magnetic axis to the plasma boundary). For a positive plasma current (counter-clockwise when viewed from above), increases from the magnetic axis to the boundary
profiles_1d(itime)/j_runaways(:) ⇹A.m^-2FLT_1D¶Runaways parallel current density = average(j.B) / B0, where […]
Runaways parallel current density = average(j.B) / B0, where B0 = Disruption/Vacuum_Toroidal_Field/ B0
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profiles_1d(itime)/power_density_conductive_losses(:) ⇹W.m^-3FLT_1D¶Power density of conductive losses to the wall (positive sign […]
Power density of conductive losses to the wall (positive sign for losses)
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vacuum_toroidal_fieldstructure¶Characteristics of the vacuum toroidal field (used in rho_tor […]
Characteristics of the vacuum toroidal field (used in rho_tor definition and in the normalization of current densities)
vacuum_toroidal_field/r0 ⇹mFLT_0D¶Reference major radius where the vacuum toroidal magnetic field […]
Reference major radius where the vacuum toroidal magnetic field is given (usually a fixed position such as the middle of the vessel at the equatorial midplane)