The HA drainage time (or the core uncovery start) depending on the ratio of the initial gas volume to the total HA volume at different diameters of the flow restrictor.

 
 
  Part of: Kulikov A, Lepyokhin A, Polunichev V (2018) Analysis of mass transfer processes in a reactor during a loss-of-coolant accident. Nuclear Energy and Technology 4(2): 149-154. https://doi.org/10.3897/nucet.4.30777