STUDY OF RW SELF-SINKING PARAMETERS IN GRANITE DRIVEN BY GAMMA-RADIATION HEATING FROM RADIOACTIVE DECAY

The paper discusses a method providing self-sinking of radioactive waste due to direct heating of the surrounding rock by gamma radiation. Based on the Monte Carlo method, it calculates spatial and energy flux density distributions in granite and presents the resulting dependence of energy release on the distance from a plane gamma radiation source with the ⁶⁰Co radionuclide. The study provides numerical solution for a system of heat conduction equations in a one-dimensional quasi-stationary approximation with a volumetric heat source in granite. It also calculates the temperature distribution and sinking velocity in granite depending on the ⁶⁰Co source activity driving the sinking process, as well as the sinking depth in granite for a heat source with the ⁶⁰Co radionuclide.

Keywords: rock, the Monte Carlo method, melting, gamma radiation transport, radioactive waste, self-sinking, heat transfer, heat conductivity equation.

Shvedov A. M. Study of RW Self-Sinking Parameters in Granite Driven by Gamma-Radiation Heating from Radioactive Decay. Radioactive Waste, 2026, no. 1 (34), pp. 96—102. DOI: 10.25283/2587-9707-2026- 1-96-102. (In Russian).