Experimental Modelling of Flow Blockage in a CANDU Fuelling Duct

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I.G. Elphick
A.H.C. Chan

Abstract

Flow losses were determined for fuelling trolleys in a model CANDU fuelling duct. The model was representative of the Bruce and Darlington design. Operating conditions in the model were based on Mach numbers for a large break LOCA. A compressed air flow facility was constructed for these tests. The loss coefficients were based upon time-resolved measurements of pressure, temperature and flow.

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