heat_transport_variables

This module contains global variables relating to the heat transport system of a fusion power plant, and also those for a hydrogen production plant.

References

p_plant_electric_base = None module-attribute

base plant electric load (W)

p_cryo_plant_electric_mw = None module-attribute

cryogenic plant power (MW)

p_cryo_plant_electric_max_mw = None module-attribute

Maximum cryogenic plant power (MW) Constraint equation icc = 87 Scan variable nwseep = 56

etatf = None module-attribute

AC to resistive power conversion for TF coils

eta_turbine = None module-attribute

thermal to electric conversion efficiency if i_thermal_electric_conversion=2; otherwise calculated.

etath_liq = None module-attribute

fachtmw = None module-attribute

facility heat removal (MW)

p_plant_electric_base_total_mw = None module-attribute

total baseline power required at all times (MW)

fgrosbop = None module-attribute

scaled fraction of gross power to balance-of-plant

fmgdmw = None module-attribute

power to mgf (motor-generator flywheel) units (MW) (ignored if i_pf_energy_storage_source=2)

f_p_blkt_coolant_pump_total_heat = None module-attribute

fraction of total blanket thermal power required to drive the blanket coolant pumps (default assumes water coolant) (i_thermal_electric_conversion=0)

f_p_div_coolant_pump_total_heat = None module-attribute

fraction of total divertor thermal power required to drive the divertor coolant pumps (default assumes water coolant)

f_p_fw_coolant_pump_total_heat = None module-attribute

fraction of total first wall thermal power required to drive the FW coolant pumps (default assumes water coolant) (i_thermal_electric_conversion=0)

f_p_shld_coolant_pump_total_heat = None module-attribute

fraction of total shield thermal power required to drive the shield coolant pumps (default assumes water coolant)

helpow = None module-attribute

Heat removal at cryogenic temperature temp_tf_cryo (W)

helpow_cryal = None module-attribute

Heat removal at cryogenic temperature temp_cp_coolant_inlet (W)

p_coolant_pump_elec_total_mw = None module-attribute

heat transport system electrical pump power (MW)

p_blkt_coolant_pump_mw = None module-attribute

blanket primary coolant mechanical pumping power (MW)

p_blkt_breeder_pump_mw = None module-attribute

blanket secondary coolant mechanical pumping power (MW)

htpmw_blkt_tot = None module-attribute

blanket primary + secondary coolant mechanical pumping power (MW)

p_div_coolant_pump_mw = None module-attribute

divertor coolant mechanical pumping power (MW)

p_fw_coolant_pump_mw = None module-attribute

first wall coolant mechanical pumping power (MW)

p_shld_coolant_pump_mw = None module-attribute

shield and vacuum vessel coolant mechanical pumping power (MW)

p_coolant_pump_loss_total_mw = None module-attribute

Waste power lost from primary coolant pumps (MW)

ipowerflow = None module-attribute

switch for power flow model: - =0 pre-2014 version - =1 comprehensive 2014 model

i_shld_primary_heat = None module-attribute

Switch for shield thermal power destiny: - =0 does not contribute to energy generation cycle - =1 contributes to energy generation cycle

n_primary_heat_exchangers = None module-attribute

number of primary heat exchangers

pacpmw = None module-attribute

total pulsed power system load (MW)

peakmva = None module-attribute

peak MVA requirement

p_fw_div_heat_deposited_mw = None module-attribute

heat removal from first wall/divertor (MW)

p_plant_electric_gross_mw = None module-attribute

gross electric power (MW)

p_hcd_electric_loss_mw = None module-attribute

power dissipated in heating and current drive system (MW)

p_hcd_electric_total_mw = None module-attribute

injector wall plug power (MW)

p_hcd_secondary_electric_mw = None module-attribute

Secondary HCD system injector wall plug power (MW)

p_hcd_primary_electric_mw = None module-attribute

Primary HCD system injector wall plug power (MW)

p_plant_electric_net_mw = None module-attribute

net electric power (MW)

p_plant_electric_recirc_mw = None module-attribute

recirculating electric power (MW)

priheat = None module-attribute

total thermal power removed from fusion core (MW)

p_div_secondary_heat_mw = None module-attribute

Low-grade heat lost in divertor (MW)

p_hcd_secondary_heat_mw = None module-attribute

Low-grade heat lost into HCD apparatus (MW)

p_plant_secondary_heat_mw = None module-attribute

Low-grade heat (MW)

p_shld_secondary_heat_mw = None module-attribute

Low-grade heat deposited in shield (MW)

p_plant_primary_heat_mw = None module-attribute

High-grade heat useful for electric production (MW)

pflux_plant_floor_electric = None module-attribute

base AC power requirement per unit floor area (W/m2)

p_tf_electric_supplies_mw = None module-attribute

total steady state TF coil AC power demand (MW)

tlvpmw = None module-attribute

estimate of total low voltage power (MW)

p_tritium_plant_electric_mw = None module-attribute

power required for tritium processing (MW)

temp_turbine_coolant_in = None module-attribute

coolant temperature at turbine inlet (K) (i_thermal_electric_conversion = 3,4)

vachtmw = None module-attribute

vacuum pump power (MW)

f_p_plant_electric_recirc = None module-attribute

fraction of recirculating electric power to total electric power

init_heat_transport_variables()

Initialise heat transport variables

Source code in process/data_structure/heat_transport_variables.py

def init_heat_transport_variables():
    """Initialise heat transport variables"""
    global \
        p_plant_electric_base, \
        p_cryo_plant_electric_mw, \
        p_cryo_plant_electric_max_mw, \
        etatf, \
        eta_turbine, \
        etath_liq, \
        fachtmw, \
        p_plant_electric_base_total_mw, \
        fgrosbop, \
        fmgdmw, \
        f_p_blkt_coolant_pump_total_heat, \
        f_p_div_coolant_pump_total_heat, \
        f_p_fw_coolant_pump_total_heat, \
        f_p_shld_coolant_pump_total_heat, \
        helpow, \
        helpow_cryal, \
        p_coolant_pump_elec_total_mw, \
        p_blkt_coolant_pump_mw, \
        p_blkt_breeder_pump_mw, \
        htpmw_blkt_tot, \
        p_div_coolant_pump_mw, \
        p_fw_coolant_pump_mw, \
        p_shld_coolant_pump_mw, \
        p_coolant_pump_loss_total_mw, \
        ipowerflow, \
        i_shld_primary_heat, \
        n_primary_heat_exchangers, \
        pacpmw, \
        peakmva, \
        p_fw_div_heat_deposited_mw, \
        p_plant_electric_gross_mw, \
        p_hcd_electric_loss_mw, \
        p_hcd_electric_total_mw, \
        p_hcd_secondary_electric_mw, \
        p_plant_electric_net_mw, \
        p_plant_electric_recirc_mw, \
        priheat, \
        p_div_secondary_heat_mw, \
        p_hcd_secondary_heat_mw, \
        p_plant_secondary_heat_mw, \
        p_shld_secondary_heat_mw, \
        p_plant_primary_heat_mw, \
        pflux_plant_floor_electric, \
        p_tf_electric_supplies_mw, \
        tlvpmw, \
        p_tritium_plant_electric_mw, \
        temp_turbine_coolant_in, \
        vachtmw, \
        f_p_plant_electric_recirc

    p_plant_electric_base = 5.0e6
    p_cryo_plant_electric_mw = 0.0
    p_cryo_plant_electric_max_mw = 50.0
    etatf = 0.9
    eta_turbine = 0.35
    etath_liq = 0.35
    fachtmw = 0.0
    p_plant_electric_base_total_mw = 0.0
    fgrosbop = 0.0
    fmgdmw = 0.0
    f_p_blkt_coolant_pump_total_heat = 0.005
    f_p_div_coolant_pump_total_heat = 0.005
    f_p_fw_coolant_pump_total_heat = 0.005
    f_p_shld_coolant_pump_total_heat = 0.005
    helpow = 0.0
    helpow_cryal = 0.0
    p_coolant_pump_elec_total_mw = 0.0
    p_blkt_coolant_pump_mw = 0.0
    p_blkt_breeder_pump_mw = 0.0
    htpmw_blkt_tot = 0.0
    p_div_coolant_pump_mw = 0.0
    p_fw_coolant_pump_mw = 0.0
    p_shld_coolant_pump_mw = 0.0
    p_coolant_pump_loss_total_mw = 0.0
    ipowerflow = 1
    i_shld_primary_heat = 1
    n_primary_heat_exchangers = 0
    pacpmw = 0.0
    peakmva = 0.0
    p_fw_div_heat_deposited_mw = 0.0
    p_plant_electric_gross_mw = 0.0
    p_hcd_electric_loss_mw = 0.0
    p_hcd_electric_total_mw = 0.0
    p_hcd_secondary_electric_mw = 0.0
    p_plant_electric_net_mw = 0.0
    p_plant_electric_recirc_mw = 0.0
    priheat = 0.0
    p_div_secondary_heat_mw = 0.0
    p_hcd_secondary_heat_mw = 0.0
    p_plant_secondary_heat_mw = 0.0
    p_shld_secondary_heat_mw = 0.0
    p_plant_primary_heat_mw = 0.0
    pflux_plant_floor_electric = 150.0
    p_tf_electric_supplies_mw = 0.0
    tlvpmw = 0.0
    p_tritium_plant_electric_mw = 15.0
    temp_turbine_coolant_in = 0.0
    vachtmw = 0.5
    f_p_plant_electric_recirc = 0.0