Pnwl,peak | peak neutron wall load | 1.75 | MW/m2 | spatial distribution |
qmax | peak surface heat flux
| 1 | MW/m2 | |
Ro | major radius | 4.8 | m | |
Bo | toroidal field on axis | 7.5 | T | |
| | | | |
Tmin | SiC minimum allowable temperature | 600 | C | |
Tmax | SiC maximum allowable temperature | 1100 | C | |
σmax | SiC allowable stress | 190 | MPa | |
| | | | |
Tin,He | He inlet temperature | 600 | C | |
Tout,He | He outlet temperature | 1000 | C | |
Tin,PbLi | PbLi inlet temperature | tbd | C | |
Tout,PbLi | PbLi outlet temperature | tbd | C | |
η | conversion efficiency | 60 | % | |
| | | | |
pin | coolant inlet pressure | tbd | MPa | |
pout | coolant outlet pressure | tbd | MPa | |
| | | | |
TBR | net plant tritium breeding ratio | 1.04 | | |
| maximum Li enrichment | 90 | % | for cost reasons |
| burnup lifetime of SiC composites | 3 | % | |
| He production in lifetime components | 1 | appm | reweldability limit of steels |
| | | | |
| dose to polyimide magnet insulators | 1011 | rads | glass fiber filled polyimide (ARIES) |
| dose to epoxy magnet insulators | 5x1010 | rads | hybrid epoxy and cyanate with glass (FNSF) |
| | | | |
| HTSC fast n fluence | 4x1018 | n/cm2 | REBCO at 40 K |
| NbTi fast n fluence | 3x1018 | n/cm2 | |
| Nb3Sn fast n fluence | 1019 | n/cm2 | |
| | | | |
| HTSC nuclear heating | | mW/cm3 | |
| LTSC nuclear heating in winding | | mW/cm3 | |
| LTSC nuclear heating in coil case | | mW/cm3 | |
| | | | |
| operating life for permament components | 8.5 | FPY | full power years (FNSF) |