ec_launchers¶
Launchers for heating and current drive in the electron cyclotron (EC) frequencies.
Maximum occurrences (MDS+ backend only): 2
New in version 3.7.0: lifecycle status alpha
Changed in version 3.40.0.
ids_propertiesstructure¶
See common IDS structure reference: ids_properties.
beam(i1)AoS¶Set of Electron Cyclotron beams
Set of Electron Cyclotron beams
Maximum occurrences (MDS+ backend only): 100
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New in version >3.36.0.
beam(i1)/nameSTR_0D¶Short string identifier (unique for a given device)
Short string identifier (unique for a given device)
beam(i1)/descriptionSTR_0D¶Description, e.g. […]
Description, e.g. “channel viewing the upper divertor”
New in version >3.
beam(i1)/power_launchedWstructure¶Beam power launched into the vacuum vessel
Beam power launched into the vacuum vessel
beam(i1)/modeINT_0D¶Identifier for the main plasma wave mode excited by the EC beam. […]
Identifier for the main plasma wave mode excited by the EC beam. For the ordinary mode (O-mode), mode=1. For the extraordinary mode (X-mode), mode=-1
beam(i1)/o_mode_fraction(:) ⇹1FLT_1D¶Fraction of EC beam power launched in ordinary (O) mode. […]
Fraction of EC beam power launched in ordinary (O) mode. If all power is launched in ordinary mode (O-mode), o_mode_fraction = 1.0. If all power is launched in extraordinary mode (X-mode), o_mode_fraction = 0.0
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New in version >3.39.0.
beam(i1)/launching_positionstructure¶Launching position of the beam
Launching position of the beam
beam(i1)/launching_position/r_limit_minmFLT_0D¶Major radius lower limit for the system
Major radius lower limit for the system
New in version >3.32.1.
beam(i1)/launching_position/r_limit_maxmFLT_0D¶Major radius upper limit for the system
Major radius upper limit for the system
New in version >3.32.1.
beam(i1)/steering_angle_pol(:) ⇹radFLT_1D¶Steering angle of the EC beam in the R,Z plane (from the -R axis […]
Steering angle of the EC beam in the R,Z plane (from the -R axis towards the -Z axis), angle_pol=atan2(-k_Z,-k_R), where k_Z and k_R are the Z and R components of the mean wave vector in the EC beam
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beam(i1)/steering_angle_tor(:) ⇹radFLT_1D¶Steering angle of the EC beam away from the poloidal plane that […]
Steering angle of the EC beam away from the poloidal plane that is increasing towards the positive phi axis, angle_tor=arcsin(k_phi/k), where k_phi is the component of the wave vector in the phi direction and k is the length of the wave vector. Here the term wave vector refers to the mean wave vector in the EC beam
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beam(i1)/spotstructure¶Spot ellipse characteristics at launch
Spot ellipse characteristics at launch
beam(i1)/spot/size(:,:) ⇹mFLT_2D¶Size of the spot ellipse: distance between the central ray and […]
Size of the spot ellipse: distance between the central ray and the peripheral rays in the horizontal (first index of the first coordinate) and vertical direction (second index of the first coordinate)
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beam(i1)/phasestructure¶Phase ellipse characteristics at launch
Phase ellipse characteristics at launch
beam(i1)/phase/curvature(:,:) ⇹m^-1FLT_2D¶Inverse curvature radii for the phase ellipse, positive/negative […]
Inverse curvature radii for the phase ellipse, positive/negative for divergent/convergent beams, in the horizontal direction (first index of the first coordinate) and in the vertical direction (second index of the first coordinate)
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latency ⇹sFLT_0D¶Upper bound of the delay between input command received from […]
Upper bound of the delay between input command received from the RT network and actuator starting to react. Applies globally to the system described by this IDS unless specific latencies (e.g. channel-specific or antenna-specific) are provided at a deeper level in the IDS structure.
New in version >3.32.1.