Host: The Japan Society of Mechanical Engineers
Name : [in Japanese]
Date : September 03, 2023 - September 06, 2023
In pool scrubbing, one of the measures against severe reactor accidents (SA), a gas (non-condensable gas or condensable gas) containing fission products (FP) is introduced into the suppression pool. This pool scrubbing is expected to have the effect of suppressing damage to the containment vessel, as well as the effect of removing FP by transferring FP from the gas phase to the liquid phase through the gas-liquid interface. CRIEPI has acquired an experimental database on FP removal characteristics in pool scrubbing. In this study, we have obtained the aerosol DF data and empirical model by using CsI aerosol, inner diameter 1.5 m test vessel, aerosol spectrometer (Welas®) and several nozzles. Moreover, using the empirical model, we have compared the trends of the aerosol DF in different experimental systems.
