Presentation on theme: "D1 and MCBXC pressurized superfluid helium channels sizing for heat extraction Rob van Weelderen 28.11.2012."— Presentation transcript:
D1 and MCBXC pressurized superfluid helium channels sizing for heat extraction Rob van Weelderen 28.11.2012
Layout as used for quantifying necessary free space for heat extraction via the superfluid helium for D1 & MCBXC Q3 MCBXC D1 2.170 K (coil) HeIium Or 10 W + Q 2.000 K 10 W + Q 2.000 K 10 W 2.050 K (non IP-end) 2.100 K (collar nose) 2.170 K (coil) ~ 12.9 m (including interconnects)~ 4.0 m Layout & dynamic loads based to be confirmed) Assumptions: - D1 is passively cooled via conduction through pressurized HeII - The inner triplet magnets are actively cooled with maximum T of 2.000 K 1)MCBXC is actively cooled as well 12.9 m conduction cooling length 2)MCBXC is passively cooled ………. 16.9 m conduction cooled length -T cold mass D1 at IP end 2.050 K 50 mK “budget” to extract heat longitudinally -T at D1 coil 220 mK “budget” to extract heat from D1 coil
Free conduction area as function of total power deposition 50 mK from 2050 K to 2.000 K, 12.9 or 16.9 m conduction length
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