Table 2 List of type, length, inner diameter (regarded as hydraulic diameter) and heat-load specification for each cryogenic piping element of the LHe supply line. Note that the vacuum-jacketed solid line of L1 includes two vertical bayonets; the multi-channel line of L1 includes one cryogenic value
Element | L1 | L2 | L3 | L4 | L5 | L6 | L7 | L8 | L9 | L10 | L11 | L12 | L13 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Type | + | ■ | + | ■ | + | ○ | Horizontal bayonet | ● | Horizontal bayonet | ● | Horizontal bayonet | ○ | + | ○ |
Size [ℓ (m), Dh (mm)] | (3.1,22.45) | (3.8,22.45) | (1.5,22.45) | (4,22.45) | (1,13.85) | (5,20.2) | (0.6,22.45) | (67,21) | (0.6,22.45) | (138,21) | (0.6,22.45) | (2.5,17.12) | (1,17.12) | (8,27.86) |
Heat load (W) | 8.95 | 1.14 | 6.1 | 1.2 | 1.4 | 7.5 | 4.75 | 4.02 | 4.75 | 8.28 | 4.75 | 3.5 | 1.4 | 14.6 |