チェルノブイリ原子力発電所事故の原因と経過

抄録

The worst accident in the nuclear energy history happened at the Unit 4 of the Chernobyl Nuclear Power Station in the USSR on 26th April, 1986. The reactor and its building were severely damaged and a large amount of radioactive materials was released to the environment.
In August, a post accident review meeting was held at the IAEA, Vienna, where the USSR presented the main feature of the reactor (RBMK-1000), accident cause, process and consequence. According to the USSR report, the direct cause of the accident was multiple serious violations of the operational rules by the operators which, combined with rather unique characteristics and design of the reactor, resulted in a very severe power excursion. In the present report, is outlined the accident and its consequence based on the USSR report at the above mentioned meeting.