divertors¶
Description of divertors
Maximum occurrences (MDS+ backend only): 2
New in version 3.31.0: lifecycle status alpha
Changed in version 3.33.0.
ids_propertiesstructure¶
See common IDS structure reference: ids_properties.
midplanestructure¶Choice of midplane definition (use the lowest index number if […]
Choice of midplane definition (use the lowest index number if more than one value is relevant)
This is an identifier. See midplane_identifier for the available options.
New in version >3.32.1.
divertor(i1)AoS¶Set of divertors
Set of divertors
Maximum occurrences (MDS+ backend only): 8
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divertor(i1)/nameSTR_0D¶Short string identifier (unique for a given device)
Short string identifier (unique for a given device)
divertor(i1)/descriptionSTR_0D¶Description, e.g. […]
Description, e.g. “channel viewing the upper divertor”
New in version >3.
divertor(i1)/target(i2)AoS¶Set of divertor targets
Set of divertor targets
Maximum occurrences (MDS+ backend only): 6
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divertor(i1)/target(i2)/nameSTR_0D¶Short string identifier (unique for a given device)
Short string identifier (unique for a given device)
divertor(i1)/target(i2)/descriptionSTR_0D¶Description, e.g. […]
Description, e.g. “channel viewing the upper divertor”
New in version >3.
divertor(i1)/target(i2)/heat_flux_steady_limit_maxW.m^-2FLT_0D¶Maximum steady state heat flux allowed on divertor target surface […]
Maximum steady state heat flux allowed on divertor target surface (engineering design limit)
divertor(i1)/target(i2)/temperature_limit_maxKFLT_0D¶Maximum surface target temperature allowed to prevent damage […]
Maximum surface target temperature allowed to prevent damage (melting, recrystallization, sublimation, etc…)
divertor(i1)/target(i2)/t_e_target_sputtering_limit_maxeVFLT_0D¶Maximum plasma temperature allowed on the divertor target to […]
Maximum plasma temperature allowed on the divertor target to avoid excessive sputtering
divertor(i1)/target(i2)/power_flux_peakW.m^-2structure¶Peak power flux on the divertor target surface
Peak power flux on the divertor target surface
divertor(i1)/target(i2)/flux_expansion1structure¶Magnetic flux expansion as defined by Stangeby : ratio between […]
Magnetic flux expansion as defined by Stangeby : ratio between the poloidal field at the midplane separatrix and the poloidal field at the strike-point see formula attached, where u means upstream (midplane separatrix) and t means at divertor target (downstream).
divertor(i1)/target(i2)/two_point_model(itime)AoS¶Description of SOL according to the two point model, the downstream […]
Description of SOL according to the two point model, the downstream point being on this target, for various time slices
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divertor(i1)/target(i2)/two_point_model(itime)/t_e_target ⇹eVFLT_0D¶Electron temperature at divertor target
Electron temperature at divertor target
divertor(i1)/target(i2)/two_point_model(itime)/n_e_target ⇹m^-3FLT_0D¶Electron density at divertor target
Electron density at divertor target
divertor(i1)/target(i2)/two_point_model(itime)/sol_heat_decay_length ⇹mFLT_0D¶Heat flux decay length in SOL at divertor entrance, mapped to […]
Heat flux decay length in SOL at divertor entrance, mapped to the mid-plane, this is the lambda_q parameter defined in reference T. Eich et al, Nucl. Fusion 53 (2013) 093031
divertor(i1)/target(i2)/two_point_model(itime)/sol_heat_spreading_length ⇹mFLT_0D¶Heat flux spreading length in SOL at equatorial mid-plane, this […]
Heat flux spreading length in SOL at equatorial mid-plane, this is the S power spreading parameter defined in reference T. Eich et al, Nucl. Fusion 53 (2013) 093031. Relevant only for attached plasmas.
divertor(i1)/target(i2)/tilt_angle_polradstructure¶Angle between field lines projected in poloidal plane and target, […]
Angle between field lines projected in poloidal plane and target, measured clockwise from the target to the projected field lines
divertor(i1)/target(i2)/extension_r ⇹mFLT_0D¶Target length projected on the major radius axis
Target length projected on the major radius axis
divertor(i1)/target(i2)/extension_z ⇹mFLT_0D¶Target length projected on the height axis
Target length projected on the height axis
divertor(i1)/target(i2)/wetted_aream^2structure¶Wetted area of the target, defined by the SOL heat flux decay […]
Wetted area of the target, defined by the SOL heat flux decay length (lambda_q) mapped to the target using flux expansion and spreading factor and the target toroidal circumference. In other words, this is the area getting heat flux from the maximum value down to one e-fold decay.
divertor(i1)/target(i2)/power_incident_fraction1structure¶Power fraction incident on the target (normalized to the total […]
Power fraction incident on the target (normalized to the total power incident on the divertor)
divertor(i1)/target(i2)/power_incidentWstructure¶Total power incident on this target. […]
Total power incident on this target. This power is split in the various physical categories listed below
divertor(i1)/target(i2)/power_conductedWstructure¶Power conducted by the plasma on this divertor target
Power conducted by the plasma on this divertor target
divertor(i1)/target(i2)/power_convectedWstructure¶Power convected by the plasma on this divertor target
Power convected by the plasma on this divertor target
divertor(i1)/target(i2)/power_radiatedWstructure¶Net radiated power on this divertor target (incident - reflected)
Net radiated power on this divertor target (incident - reflected)
divertor(i1)/target(i2)/power_black_bodyWstructure¶Black body radiated power emitted from this divertor target (emissivity […]
Black body radiated power emitted from this divertor target (emissivity is included)
divertor(i1)/target(i2)/power_neutralsWstructure¶Net power from neutrals on this divertor target (positive means […]
Net power from neutrals on this divertor target (positive means power is deposited on the target)
divertor(i1)/target(i2)/power_recombination_plasmaWstructure¶Power deposited on this divertor target due to recombination […]
Power deposited on this divertor target due to recombination of plasma ions
divertor(i1)/target(i2)/power_recombination_neutralsWstructure¶Power deposited on this divertor target due to recombination […]
Power deposited on this divertor target due to recombination of neutrals into a ground state (e.g. molecules)
divertor(i1)/target(i2)/power_currentsWstructure¶Power deposited on this divertor target due to electric currents […]
Power deposited on this divertor target due to electric currents (positive means power is deposited on the target)
divertor(i1)/target(i2)/current_incidentAstructure¶Total current incident on this target
Total current incident on this target
New in version >3.32.1.
divertor(i1)/target(i2)/tile(i3)AoS¶Set of divertor tiles belonging to this target
Set of divertor tiles belonging to this target
Maximum occurrences (MDS+ backend only): 100
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New in version >3.32.1.
divertor(i1)/target(i2)/tile(i3)/nameSTR_0D¶Short string identifier (unique for a given device)
Short string identifier (unique for a given device)
divertor(i1)/target(i2)/tile(i3)/descriptionSTR_0D¶Description, e.g. […]
Description, e.g. “channel viewing the upper divertor”
New in version >3.
divertor(i1)/target(i2)/tile(i3)/surface_outlinestructure¶Outline of the tile surface facing the plasma
Outline of the tile surface facing the plasma
divertor(i1)/target(i2)/tile(i3)/surface_outline/phi(:) ⇹radFLT_1D¶Toroidal angle (oriented counter-clockwise when viewing from […]
Toroidal angle (oriented counter-clockwise when viewing from above)
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divertor(i1)/target(i2)/tile(i3)/surface_area ⇹m^2FLT_0D¶Area of the tile surface facing the plasma
Area of the tile surface facing the plasma
divertor(i1)/wetted_aream^2structure¶Wetted area of the divertor (sum over all targets)
Wetted area of the divertor (sum over all targets)
divertor(i1)/power_incidentWstructure¶Total power incident on the divertor (sum over all targets). […]
Total power incident on the divertor (sum over all targets). This power is split in the various physical categories listed below
divertor(i1)/power_conductedWstructure¶Power conducted by the plasma on the divertor targets (sum over […]
Power conducted by the plasma on the divertor targets (sum over all targets)
divertor(i1)/power_convectedWstructure¶Power convected by the plasma on the divertor targets (sum over […]
Power convected by the plasma on the divertor targets (sum over all targets)
divertor(i1)/power_radiatedWstructure¶Net radiated power on the divertor targets (incident - reflected) […]
Net radiated power on the divertor targets (incident - reflected) (sum over all targets)
divertor(i1)/power_black_bodyWstructure¶Black body radiated power emitted from the divertor targets (emissivity […]
Black body radiated power emitted from the divertor targets (emissivity is included) (sum over all targets)
divertor(i1)/power_neutralsWstructure¶Net power from neutrals on the divertor targets (positive means […]
Net power from neutrals on the divertor targets (positive means power is deposited on the target) (sum over all targets)
divertor(i1)/power_recombination_plasmaWstructure¶Power deposited on the divertor targets due to recombination […]
Power deposited on the divertor targets due to recombination of plasma ions (sum over all targets)
divertor(i1)/power_recombination_neutralsWstructure¶Power deposited on the divertor targets due to recombination […]
Power deposited on the divertor targets due to recombination of neutrals into a ground state (e.g. molecules) (sum over all targets)
divertor(i1)/power_currentsWstructure¶Power deposited on the divertor targets due to electric currents […]
Power deposited on the divertor targets due to electric currents (positive means power is deposited on the target) (sum over all targets)
divertor(i1)/particle_flux_recycled_totals^-1structure¶Total recycled particle flux from the divertor (in equivalent […]
Total recycled particle flux from the divertor (in equivalent electrons)