Research Article

Moisture Transfer Model and Simulation for Dehumidification of HTGR Core

Table 3

Comparison of transfer mechanisms at different pressure.

Po/MPa< 0.1 (vacuum)0.1 (normal pressure)7 (high pressure)

Moisture transfer mechanismdiffusion +seepagediffusion + seepagediffusion

Gas componentH2OH2O + HeH2O + He

Diffusion typegeneral diffusion + Knudsen diffusiongeneral diffusiongeneral diffusion

Gas diffusion coefficient variablevariableconstant