Formation of neutron-physical conditions for testing in the MIR reactor VVER fuel elements in nonstationary regimes with a power increase

The creation of conditions in the core of a MIR reactor that allow safe experiments modeling the parameters of VVER fuel elements with power ramping and cyclic power change as well as with an anticipated reactivity accident is examined. The construction of experimental facilities is determined. The core configuration and control-rod positions, which make it possible to attain the required parameters with the minimum reactor power and allow experiments to be performed safely, are chosen. Information about the tests performed in the reactor is presented.