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.

VariablePNPISTARCCM+% differenceCFX% difference

DT1, (K)25.1024.8725.08
DT2, (K)22.0022.642.8322.482.20
DT3, (K)25.2024.8725.15
HeT1, (K)19.2519.8319.01
HeT2, (K)19.0019.000.0019.000.00
HeT3, (K)24.1023.5023.96
, (W)23.6023.881.1924.232.67
HeQTot (W)430041704205