Frazer-Nash assesses waste container safety

A Frazer-Nash Consultancy product story
Edited by the Engineeringtalk editorial team Aug 13, 2009

Frazer-Nash has completed a study for the Nuclear Decommissioning Authority (NDA) into the safety of canisters containing nuclear waste under impact conditions.

Steel canisters are currently used to contain vitrified high-level waste from reprocessing operations.

The NDA is reviewing a number of options for the long-term storage of such canisters and appointed Frazer-Nash in 2008 to assess the strength of a number of potential canister storage containers in the highly unlikely event that one is dropped during transport or emplacement.

Frazer-Nash's work involved using finite element analysis to create computer models representing each potential container design falling from heights of up to 8m in a number of orientations.

The results from the analyses provided the stresses in both the containers and canisters, and allowed an assessment of the energy absorbed by the waste itself to be estimated.

This assessment enabled the team to evaluate the container options and assess the performance of each under impact conditions.

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