USA Validates New Shipping Flask Design
The latest addition to the REVISS fleet of transport flasks, the GB/3981A/B(U)-96, has been validated by the US Department of Transportation for the carriage of Special Form Material to and from the USA.
Lead is an effective and convenient shielding material for transportation flasks. However there is an inevitable size/weight/capacity compromise compared with flasks that use depleted uranium shielding that is almost 70% more dense than lead.
REVISS's new fleet of lead-shielded flasks was designed using cutting-edge, "Finite Element Analysis". This was used to model the effect of stress and thermal extremes on the resistance of critical components to impact in transport accident scenarios. In this way it was possible to simulate drop tests while monitoring actual safety margins in regions of greatest vulnerability. This type of computer modelling enables drops to be simulated under a far wider ranging set of test and construction parameters than is ever practically possible using prototype flasks. The benefit is in maximising capacity while minimising weight and size without compromising safety.
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