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THREE-DIMENSIONAL NUMERICAL MODELLING OF THE THERMAL STATE OF THE DEEP RADIOACTIVE WASTE DISPOSAL FACILITY IN THE NIZHNEKANSK GRANITOID MASSIF

JOURNAL: , , p. 44-51

AUTHOR: N.I. Drobyishevskiy, E.V. Moiseenko, R.A. Butov, Y.N. Tokarev

ANNOTATION:

A problem of calculation of the thermal state of the deep radioactive waste disposal facility in the Nizhnekansk granitoid massif (DRWDF) is considered. A 3D-finite-element code FENIA (Finite Element Nonlinear Incremental Analysis) has been developed to model the thermal processes in DRWDF. The obtained results describe the spatial and time evolution of temperature within DRWDF and surrounding rock for the period of up to 10,000 years. The results show that nearly entire heat will be absorbed by surrounding rocks without substantial increase of temperature. Nevertheless, during short periods of time, the temperature inside DRWDF will exceed 100°.

Keywords: radioactive waste, deep disposal, mathematical modeling, temperature mode.


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Drobyshevsky N. I., Moiseenko E. V., Butov R. A., Tokarev Yu. N. Three-Dimensional Numerical Modelling of the Thermal State of the Deep Radioactive Waste Disposal Facility in the Nizhnekansk Granitoid Massif // Radioactive waste. — 2017. — 1. — pp. 44—51.


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