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superconducting_tf_coil_variables

Module containing superconducting TF coil routines

N/A This module contains routines for calculating the parameters of a superconducting TF coil system for a fusion power plant. PROCESS Superconducting TF Coil Model, J. Morris, CCFE, 1st May 2014

tf_fit_t = None module-attribute

Dimensionless winding pack width

tf_fit_z = None module-attribute

Dimensionless winding pack radial thickness

f_b_tf_inboard_peak_ripple_symmetric = None module-attribute

Ratio of peak field with ripple to nominal axisymmetric peak field

c_tf_coil = None module-attribute

Current in each TF coil

a_tf_wp_with_insulation = None module-attribute

Total cross-sectional area of winding pack including GW insulation and insertion gap [m2]

a_tf_wp_no_insulation = None module-attribute

Total cross-sectional area of winding pack without ground insulation and insertion gap [m2]

a_tf_coil_inboard_steel = None module-attribute

Inboard coil steel coil cross-sectional area [m2]

a_tf_coil_inboard_insulation = None module-attribute

Inboard coil insulation cross-section per coil [m2]

f_a_tf_coil_inboard_steel = None module-attribute

Inboard coil steel fraction [-]

f_a_tf_coil_inboard_insulation = None module-attribute

Inboard coil insulation fraction [-]

z_cp_top = None module-attribute

Vertical distance from the midplane to the top of the tapered section [m]

r_tf_outboard_in = None module-attribute

Radial position of plasma-facing edge of TF coil outboard leg [m]

r_tf_outboard_out = None module-attribute

Radial position of outer edge of TF coil inboard leg [m]

r_tf_wp_inboard_inner = None module-attribute

Radial position of inner edge and centre of winding pack [m]

r_tf_wp_inboard_outer = None module-attribute

Radial position of outer edge and centre of winding pack [m]

r_tf_wp_inboard_centre = None module-attribute

Radial position of centre and centre of winding pack [m]

dr_tf_wp_top = None module-attribute

Conductor layer radial thickness at centercollumn top [m] Ground insulation layer included, only defined for itart = 1

vol_ins_cp = None module-attribute

CP turn insulation volume [m3]

vol_gr_ins_cp = None module-attribute

CP ground insulation volume [m3]

vol_case_cp = None module-attribute

Volume of the CP outer casing cylinder

dx_tf_wp_toroidal_min = None module-attribute

Minimal toroidal thickness of of winding pack [m]

dx_tf_wp_toroidal_average = None module-attribute

Averaged toroidal thickness of of winding pack [m]

dx_tf_side_case_average = None module-attribute

Average lateral casing thickness [m]

a_tf_plasma_case = None module-attribute

Front casing area [m2]

a_tf_coil_nose_case = None module-attribute

Nose casing area [m2]

a_tf_wp_ground_insulation = None module-attribute

Inboard mid-plane cross-section area of the WP ground insulation [m2]

a_leg_ins = None module-attribute

TF ouboard leg turn insulation area per coil [m2]

a_leg_gr_ins = None module-attribute

TF outboard leg ground insulation area per coil [m2]

a_leg_cond = None module-attribute

Exact TF ouboard leg conductor area [m2]

rad_tf_coil_inboard_toroidal_half = None module-attribute

Half toroidal angular extent of a single TF coil inboard leg

tan_theta_coil = None module-attribute

Tan half toroidal angular extent of a single TF coil inboard leg

t_conductor_radial = None module-attribute

Conductor area radial and toroidal dimension (integer turn only) [m]

t_conductor_toroidal = None module-attribute

Conductor area radial and toroidal dimension (integer turn only) [m]

dr_tf_turn_cable_space = None module-attribute

Cable area radial and toroidal dimension (integer turn only) [m]

dx_tf_turn_cable_space = None module-attribute

Cable area radial and toroidal dimension (integer turn only) [m]

dr_tf_turn = None module-attribute

Turn radial and toroidal dimension (integer turn only) [m]

dx_tf_turn = None module-attribute

Turn radial and toroidal dimension (integer turn only) [m]

dx_tf_turn_cable_space_average = None module-attribute

Cable area averaged dimension (square shape) [m]

radius_tf_turn_cable_space_corners = None module-attribute

Radius of the corners of the cable space in the TF turn [m]

a_tf_turn_cable_space_effective = None module-attribute

True cable area of WP turn. This includes the removal of the cooling pipe [m^2]

vforce_inboard_tot = None module-attribute

Total inboard vertical tension (all coils) [N]

dr_tf_wp_no_insulation = None module-attribute

Radial thickness of winding pack without insulation [m]

dia_tf_turn_superconducting_cable = None module-attribute

Diameter of the superconducting cable in the TF turn [m]

n_tf_turn_superconducting_cables = None module-attribute

Number of superconducting cables in the TF turn

len_tf_coil_superconductor = None module-attribute

Length of superconducting cable in one TF coil [m]

len_tf_superconductor_total = None module-attribute

Total length of superconducting cable in all TF coils [m]

j_tf_superconductor_critical = None module-attribute

Critical current density of the superconducting cable [A/m^2]

f_c_tf_turn_operating_critical = None module-attribute

Ratio of the TF operating current to the critical current

j_tf_coil_turn = None module-attribute

Current density in the TF coil turn [A/m^2]

b_tf_superconductor_critical_zero_temp_strain = None module-attribute

Critical magnetic field of the superconducting cable at zero temperature and strain [T]

temp_tf_superconductor_critical_zero_field_strain = None module-attribute

Critical temperature of the superconducting cable at zero magnetic field and strain [K]

f_a_tf_turn_cable_space_cooling = None module-attribute

Fraction of usable turn cable space area used for cooling

c_tf_turn_cables_critical = None module-attribute

Critical current density in the turn cables [A/m^2]

j_tf_superconductor = None module-attribute

Current density in the superconducting cable [A/m^2]

vv_stress_quench = None module-attribute

The Tresca stress experienced by the Vacuum Vessel when the SCTF coil quenches [Pa]

croco_strand_area = None module-attribute

croco_strand_critical_current = None module-attribute

conductor_copper_area = None module-attribute

conductor_copper_fraction = None module-attribute

conductor_copper_bar_area = None module-attribute

conductor_hastelloy_area = None module-attribute

conductor_hastelloy_fraction = None module-attribute

conductor_helium_area = None module-attribute

conductor_helium_fraction = None module-attribute

conductor_solder_area = None module-attribute

conductor_solder_fraction = None module-attribute

conductor_jacket_area = None module-attribute

conductor_jacket_fraction = None module-attribute

conductor_rebco_area = None module-attribute

conductor_rebco_fraction = None module-attribute

conductor_critical_current = None module-attribute

conductor_acs = None module-attribute

conductor_area = None module-attribute

Area of cable space inside jacket

t1 = None module-attribute

time2 = None module-attribute

tau2 = None module-attribute

e_tf_magnetic_stored_total = None module-attribute

is_leg_cp_temp_same = None module-attribute

init_superconducting_tf_coil_variables()

Source code in process/data_structure/superconducting_tf_coil_variables.py 
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def init_superconducting_tf_coil_variables():
    global \
        is_leg_cp_temp_same, \
        tf_fit_t, \
        tf_fit_z, \
        f_b_tf_inboard_peak_ripple_symmetric, \
        c_tf_coil, \
        a_tf_wp_with_insulation, \
        a_tf_wp_no_insulation, \
        a_tf_coil_inboard_steel, \
        a_tf_coil_inboard_insulation, \
        f_a_tf_coil_inboard_steel, \
        f_a_tf_coil_inboard_insulation, \
        z_cp_top, \
        r_tf_outboard_in, \
        r_tf_outboard_out, \
        r_tf_wp_inboard_inner, \
        r_tf_wp_inboard_outer, \
        r_tf_wp_inboard_centre, \
        dr_tf_wp_top, \
        vol_ins_cp, \
        vol_gr_ins_cp, \
        vol_case_cp, \
        dx_tf_wp_toroidal_min, \
        dx_tf_wp_toroidal_average, \
        dx_tf_side_case_average, \
        a_tf_plasma_case, \
        a_tf_coil_nose_case, \
        a_tf_wp_ground_insulation, \
        a_leg_ins, \
        a_leg_gr_ins, \
        a_leg_cond, \
        rad_tf_coil_inboard_toroidal_half, \
        tan_theta_coil, \
        t_conductor_radial, \
        t_conductor_toroidal, \
        dr_tf_turn_cable_space, \
        dx_tf_turn_cable_space, \
        dr_tf_turn, \
        dx_tf_turn, \
        dx_tf_turn_cable_space_average, \
        vforce_inboard_tot, \
        t1, \
        time2, \
        tau2, \
        e_tf_magnetic_stored_total, \
        radius_tf_turn_cable_space_corners, \
        a_tf_turn_cable_space_effective, \
        dr_tf_wp_no_insulation, \
        dia_tf_turn_superconducting_cable, \
        n_tf_turn_superconducting_cables, \
        len_tf_coil_superconductor, \
        len_tf_superconductor_total, \
        j_tf_superconductor_critical, \
        f_c_tf_turn_operating_critical, \
        j_tf_coil_turn, \
        b_tf_superconductor_critical_zero_temp_strain, \
        temp_tf_superconductor_critical_zero_field_strain, \
        f_a_tf_turn_cable_space_cooling, \
        c_tf_turn_cables_critical, \
        j_tf_superconductor, \
        vv_stress_quench

    is_leg_cp_temp_same = 0
    tf_fit_t = 0.0
    tf_fit_z = 0.0
    f_b_tf_inboard_peak_ripple_symmetric = 0.0
    c_tf_coil = 0.0
    a_tf_wp_with_insulation = 0.0
    a_tf_wp_no_insulation = 0.0
    a_tf_coil_inboard_steel = 0.0
    a_tf_coil_inboard_insulation = 0.0
    f_a_tf_coil_inboard_steel = 0.0
    f_a_tf_coil_inboard_insulation = 0.0
    z_cp_top = 0.0
    r_tf_outboard_in = 0.0
    r_tf_outboard_out = 0.0
    r_tf_wp_inboard_inner = 0.0
    r_tf_wp_inboard_outer = 0.0
    r_tf_wp_inboard_centre = 0.0
    dr_tf_wp_top = 0.0
    vol_ins_cp = 0.0
    vol_gr_ins_cp = 0.0
    vol_case_cp = 0.0
    dx_tf_wp_toroidal_min = 0.0
    dx_tf_wp_toroidal_average = 0.0
    dx_tf_side_case_average = 0.0
    a_tf_plasma_case = 0.0
    a_tf_coil_nose_case = 0.0
    a_tf_wp_ground_insulation = 0.0
    a_leg_ins = 0.0
    a_leg_gr_ins = 0.0
    a_leg_cond = 0.0
    rad_tf_coil_inboard_toroidal_half = 0.0
    tan_theta_coil = 0.0
    t_conductor_radial = 0.0
    t_conductor_toroidal = 0.0
    dr_tf_turn_cable_space = 0.0
    dx_tf_turn_cable_space = 0.0
    dr_tf_turn = 0.0
    dx_tf_turn = 0.0
    dx_tf_turn_cable_space_average = 0.0
    vforce_inboard_tot = 0.0
    t1 = 0.0
    time2 = 0.0
    tau2 = 0.0
    e_tf_magnetic_stored_total = 0.0
    radius_tf_turn_cable_space_corners = 0.0
    a_tf_turn_cable_space_effective = 0.0
    dr_tf_wp_no_insulation = 0.0
    dia_tf_turn_superconducting_cable = 0.00073
    n_tf_turn_superconducting_cables = 0
    len_tf_coil_superconductor = 0.0
    len_tf_superconductor_total = 0.0
    j_tf_superconductor_critical = 0.0
    f_c_tf_turn_operating_critical = 0.0
    j_tf_coil_turn = 0.0
    b_tf_superconductor_critical_zero_temp_strain = 0.0
    temp_tf_superconductor_critical_zero_field_strain = 0.0
    f_a_tf_turn_cable_space_cooling = 0.0
    c_tf_turn_cables_critical = 0.0
    j_tf_superconductor = 0.0
    vv_stress_quench = 0.0