THE SHIELDING EFFECT OF IRON LOUVERS FOR NEUTRONS AND GAMMA RAYS

摘要

The shielding effect for neutrons and gamma rays provided by a louver-type steel structure inserted inserted into the second leg of a concrete duct was measured and analyzed. The louver is an assembly of steel plates that are stacked at the same interval to reduce the radiation streaming while keeping air flowing through the duct. The experiment was carried out at the Japan Research Reactor - 4 (JRR4) using a large concrete duct that was Temporarily installed for this experiment.