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Abstract

Tests carried out at AEA Technology studied the transport of caesium hydroxide, boric acid and a chemically reactive mixture of the two as they passed through a thermal gradient tube (TGT) in a pure steam atmosphere. The main purpose of the experiments was to investigate how the presence of boric acid in the coolant of a LWR might affect caesium transport and retention in the cooling system under severe accident conditions. RAFT and VICTORIA computer codes have been specifically developed to model the chemical and aerosol physical phenomena that govern transport and retention of radionuclides and other materials. Sensitivity calculations were performed to show the deposition profiles of Cs and B.

Additional information

Authors: HONTAÑON E, JRC Ispra (IT);LAZARIDIS M, JRC Ispra (IT);DROSSINOS Y, JRC Ispra (IT)
Bibliographic Reference: Paper presented: European Aerosol Conference, Blois (FR), May 30 - June 2, 1994
Availability: Available from (1) as Paper EN 38166 ORA
Record Number: 199411270 / Last updated on: 1994-11-25
Category: PUBLICATION
Original language: en
Available languages: en
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