Regional Basic Professional Training Course in Korea

Regional Basic Professional Training Course (BPTC) on Nuclear Safety
The multi‐purpose reactors with power ratings exceeding around 5 MW operate by
continuous cycles and are mainly used for:
Fundamental research work in various fields such as condensed matter physics and
nuclear physics.
Technological irradiations and safety studies for power reactors; tests concerning
materials and fuels are carried out in irradiation loops or capsules placed in or
around the core.
The production of artificial radioelements for medicine and industry, doping silicon
used in electronic components for industry and non‐destructive tests using
neutronography.
Some reactors such as HFR in Holland use the technique known as BNCT (Boron
Neutron Capture Therapy) for treating brain tumours.
4.2.3. Description of OSIRIS‐reactor
4.2.3.1. Background information
The OSIRIS reactor was built at the studies centre at Saclay in 1964‐1966. It is a pool‐
type reactor (maximum thermal power level authorized is 70 MW), in which the light
water is used as a moderator, a coolant and provides biological shielding. It uses U3Si2Al
fuel plates that are aluminum clad, enriched with 235U to 19.75%. The water in the
primary coolant system passes upwards through the core. The OSIRIS reactor operates by
continuous three‐weekly cycles with a week shutdown between them. It is mainly used
for:
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