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R-250 — Helium Htgr

Coolant Type
Helium Htgr
Temperature C
250
Density Kg M3 (kg/m3)
5.89
Dynamic Viscosity uPa S (uPa*s)
26.4
Prandtl Number (dimensionless)
0.831
Pressure MPa (MPa)
7
Reactor Type
Htgr
Specific Heat J kgK (J/kgK)
5,193
Thermal Conductivity W mK (W/mK)
0.165
helium_HTGR — temperature C 250 · thermal conductivity W mK 0.165 W/mK · prandtl number 0.831 dimensionless · density kg m3 5.89 kg/m3 · dynamic viscosity uPa s 26.4 uPa*s | Reactor Coolant Properties | Engineering Database