Solutions for scientific problems related with temperature SNF storage regime
by Vladimir I. Kalinkin, Natalia P. Shafrova, Vladimir G. Kritsky, Tatiana G. Volukhova, A.A. Zubkov, O.P. Krektunov, S.V. Kassirov
International Journal of Nuclear Energy Science and Technology (IJNEST), Vol. 6, No. 2, 2011

Abstract: The dry long-term storage facility (SFSF-2) is a chamber-type structure formed by cast-in-place steel-concrete walls, top and bottom floorings separated with lateral steel-concrete partitions to several chambers. The main task in the creation of the storage facility is to provide an efficient natural air circulation circuit. A broad scope of experimental and computation researches has been carried out to solve that scientific task. Special test benches have been designed to simulate thermal processes, air motion in the circuit of natural circulation and to verify, based on the research outcomes, computer codes 'Fluent' and 'Conrad' in terms of computation of temperature distribution within the facility's components. Computation outcomes of the RBMMK-1000 Fuel Assemblies temperature conditions within casks placed in chamber-type storage facility wells in case of uniform loading of the wells within the dry storage facility chamber in two tiers of casks with maximally possible decay heat capacity have shown that maximal fuel cladding temperatures are lower than those set by input requirements.

Online publication date: Sat, 14-Feb-2015

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