Izvestiya vuzov. Yadernaya Energetika

The peer-reviewed scientific and technology journal. ISSN: 0204-3327

Rapid Preliminary Modeling of Floating NPP Cores

11/19/2020 2020 - #04 Physics and technology of nuclear reactors

Korolev V.I.

DOI: https://doi.org/10.26583/npe.2020.4.05

UDC: 621.039.54

At the present time, JSC Baltiskiy zavod has built and transported to the deployment site at Pevek the «Akademik Lomonosov», a floating nuclear power unit (FNPU), project 20870. There are also three multi-purpose nuclear icebreakers of project 22220 («Arktika», «Sibir», «Ural») under construction at Baltiskiy being at different readiness stages. A decision has been made to build a nuclear icebreaker, «Lider», of even a higher power. Integral reactors developed by JSC OKBM Afrikantov are installed in the nuclear icebreakers using new assembly-type cores which have not been used earlier in floating facilities. A great deal of preliminary calculation is required to give these cores as advantageous characteristics as possible. The paper proposes a procedure for rapid modeling of floating cores with varied operating and design characteristics. This procedure can be used as part of preliminary modeling. The procedure is based on using a combined dimensionless parameter proposed by the author in [2]. A chart is presented to model the key performance of cores for floating NPPs. Eight assembly-type core options, which can be installed in transport reactors of a modular or integral design, are analyzed.

References

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core energy resource combined dimensionless parameter nuclear fuel burn-up depth fission products fuel element fuel matrix uranium dioxide swelling compensator cladding integrity effective life