stellarator_variables

f_st_n_coils = None module-attribute

Actual number of coils to reference value from stella_config file

f_st_rmajor = None module-attribute

Actual major radius to reference value from stella_config file

f_st_aspect = None module-attribute

Actual aspect ratio to reference value from stella_config file

f_st_coil_aspect = None module-attribute

Scaling factor for (stellarator major radius / coil radius ratio)

f_st_b = None module-attribute

Actual b_plasma_toroidal_on_axis to reference value from stella_config file

f_st_i_total = None module-attribute

Actual total coil current to reference value from stella_config file

f_st_rminor = None module-attribute

Actual minor radius to reference value from stella_config file

f_coil_shape = None module-attribute

Paramtere required for coil scaling (min_plasma_coil_distance + stella_config_rminor_ref) / stella_config_coil_rminor

first_call = None module-attribute

first_call_stfwbs = None module-attribute

r_coil_minor = None module-attribute

Coil minor radius (m)

r_coil_major = None module-attribute

Coil major radius (m)

istell = None module-attribute

Switch for stellarator option (set via device.dat): - =0 use tokamak model - =1 use stellarator model: Helias5 - =2 use stellarator model: Helias4 - =3 use stellarator model: Helias3 - =4 use stellarator model: Wendelstein 7-X with 50 Coils - =5 use stellarator model: Wendelstein 7-X with 30 Coils - =6 use stellarator model: Use stella_conf.json file (any modulear stellarator, see documentation)

bmn = None module-attribute

relative radial field perturbation

f_asym = None module-attribute

divertor heat load peaking factor

f_rad = None module-attribute

radiated power fraction in SOL

f_w = None module-attribute

island size fraction factor

fdivwet = None module-attribute

wetted fraction of the divertor area

flpitch = None module-attribute

field line pitch (rad)

hportamax = None module-attribute

maximum available area for horizontal ports (m2)

hportpmax = None module-attribute

maximum available poloidal extent for horizontal ports (m)

hporttmax = None module-attribute

maximum available toroidal extent for horizontal ports (m)

iotabar = None module-attribute

rotational transform (reciprocal of tokamak q) for stellarator confinement time scaling laws

isthtr = None module-attribute

Switch for stellarator auxiliary heating method: - = 1electron cyclotron resonance heating - = 2lower hybrid heating - = 3neutral beam injection

m_res = None module-attribute

poloidal resonance number (1)

max_gyrotron_frequency = None module-attribute

Maximal available gyrotron frequency (input parameter) (Hz)

n_res = None module-attribute

toroidal resonance number (1)

shear = None module-attribute

magnetic shear, derivative of iotabar (1)

te0_ecrh_achievable = None module-attribute

maximal central electron temperature as achievable by the ECRH, input. (keV)

vportamax = None module-attribute

maximum available area for vertical ports (m2)

vportpmax = None module-attribute

maximum available poloidal extent for vertical ports (m)

vporttmax = None module-attribute

maximum available toroidal extent for vertical ports (m)

powerht_constraint = None module-attribute

powerscaling_constraint = None module-attribute

init_stellarator_variables()

Source code in process/data_structure/stellarator_variables.py

def init_stellarator_variables():
    global \
        first_call, \
        first_call_stfwbs, \
        f_st_n_coils, \
        f_st_rmajor, \
        f_st_rminor, \
        f_coil_shape, \
        f_st_b, \
        f_st_i_total, \
        r_coil_minor, \
        r_coil_major, \
        istell, \
        bmn, \
        f_asym, \
        f_rad, \
        f_w, \
        f_st_coil_aspect, \
        fdivwet, \
        flpitch, \
        hportamax, \
        hportpmax, \
        hporttmax, \
        iotabar, \
        isthtr, \
        m_res, \
        n_res, \
        shear, \
        vportamax, \
        vportpmax, \
        vporttmax, \
        max_gyrotron_frequency, \
        te0_ecrh_achievable, \
        powerht_constraint, \
        powerscaling_constraint

    first_call = True
    first_call_stfwbs = True
    f_st_n_coils = 0.0
    f_st_rmajor = 0.0
    f_st_rminor = 0.0
    f_coil_shape = 0.0
    f_st_b = 0.0
    f_st_i_total = 0.0
    f_st_coil_aspect = 1.0
    r_coil_major = 0.0
    r_coil_minor = 0.0
    istell = 0
    bmn = 1e-3
    f_asym = 1.0
    f_rad = 0.85
    f_w = 0.5
    fdivwet = 0.333333333333333
    flpitch = 1e-3
    hportamax = 0.0
    hportpmax = 0.0
    hporttmax = 0.0
    iotabar = 1.0
    isthtr = 1
    m_res = 5
    n_res = 5
    shear = 0.5
    vportamax = 0.0
    vportpmax = 0.0
    vporttmax = 0.0
    max_gyrotron_frequency = 1.0e9
    te0_ecrh_achievable = 1.0e2
    powerht_constraint = 0.0
    powerscaling_constraint = 0.0