Divertor reference parameters (single null and double null cases)

  SN DN
Areas (m2)
OB blanket 208 208
IB blanket 99 99
inner divertor 18 36
dome 19 38
outer divertor 26 52
total divertor 63 126
inner leg 27 54
outer leg 36 72
 
Power sharing (%)
up/down fraction 0/100 65/65
in/out split 33/67 20/80
 
Powers (MW)
divertor total surface power 177 177
inner leg surface power 59 35
outer leg surface power 118 142
 
Surface Heat Fluxes (MW/m2)
Full divertor average 2.82 1.41
Single divertor average 2.82 1.83
Inner leg average 2.17 0.85
Outer leg average 3.31 2.59
 
Peak Heat Flux in Semi-attached Mode
Peak heat flux (MW/m2) 12.9 10.0
Energy SOL thickness (cm) 4.3 4.3
Major radius at footprint (m) 4.25 4.25
Wetted area (m2) 1.15 1.15
Non-wetted area (m2) 34.5 34.5
Power on wetted area (MW) 14.8 11.5
Power off wetted area (MW) 103.2 80.56
Flux off wetted area (MW/m2) 3.00 2.34