Dose rates from the accidental withdrawal of a fuel element from an open pool-type reactor

[+] Author and Article Information
Amr Abdelhady

Reactors Dept., Nuclear Research Center, Atomic Energy Authority, 13759 Cairo, Egypt

1Corresponding author.

ASME doi:10.1115/1.4038058 History: Received April 24, 2017; Revised September 18, 2017


This paper studies the radiological consequences resulting from withdrawal of nuclear fuel element from a core of open pool type reactor during normal operation. The reactor is cooled by water in a vertical upward direction which acts on the fuel element by an upward force. In case of accidental failure of fuel element clamp, it will be released and ejected vertically from the core and assumed to reach the pool surface. A negative reactivity insertion in the core after fuel element withdrawal and the reactor will be shutdown. MCNP code was used in this study to calculate the radiation dose rate levels in the reactor hall and inside the control room during fuel element withdrawal.

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