Research Article
Using CFD as Preventative Maintenance Tool for the Cold Neutron Source Thermosiphon System
Table 2
Comparison between measurements and predictions by the CFD models of ANSYS CFX and STARCCM+ for nominal power of 4000 W.
| Variable | PNPI | STARCCM+ | % difference | CFX | % difference |
| DT1, (K) | 25.10 | 24.87 | | 25.08 | | DT2, (K) | 22.00 | 22.64 | 2.83 | 22.48 | 2.20 | DT3, (K) | 25.20 | 24.87 | | 25.15 | | HeT1, (K) | 19.25 | 19.83 | | 19.01 | | HeT2, (K) | 19.00 | 19.00 | 0.00 | 19.00 | 0.00 | HeT3, (K) | 24.10 | 23.50 | | 23.96 | | , (W) | 23.60 | 23.88 | 1.19 | 24.23 | 2.67 | HeQTot (W) | 4300 | 4170 | | 4205 | |
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