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Table 3 List of type, length, inner diameter (regarded as hydraulic diameter) and heat-load specification for each cryogenic piping element of the CGHe return line

From: Pressure drop of two-phase helium along long cryogenic flexible transfer lines to support a superconducting RF operation at its cryogenic test stand

Element

g1

g2

g3

g4

g5

g6

g7

g8

g9

g10

Type

+

Horizontal bayonet

Horizontal bayonet

Horizontal bayonet

+

Size [ℓ (m), Dh (mm)]

(8,38.2)

(1,27.86)

(2.5,27.86)

(0.6,22.45)

(138,38.9)

(0.6,22.45)

(67,38.9)

(0.6,22.45)

(5,40.1)

(1,22.45)

Heat load (W)

17.8

2.8

4.75

4.75

16.56

4.75

8.04

4.75

11.5

2.8

  1. + vacuum-jacketed solid line; vacuum-jacketed flexible line; four-tube flexible coaxial line