METHOD FOR STARTING NUCLEAR REACTOR FOR SPACE APPLICATION Russian patent published in 2018 - IPC G21C7/00 

FIELD: nuclear physics and equipment.

SUBSTANCE: invention relates to nuclear energy and can be used in the operation of nuclear reactors of space installations. Method of launching a nuclear space reactor includes the steps of determining the dependence of the effective multiplication factor on temperature with the derived absorbing elements Keff(T), dependence of the reactivity of absorbing elements on their position ρ_x=α_x(x-x_max), the value of the maximum play of the drive of the absorbing elements, and starting the reactor by withdrawing the absorbing elements, setting the period τ₀ prior to start-up of reactor acceleration and reactivity ρ₀, measuring the temperature of the reactor before starting T₀₀ with sensors and determining ρ₀₀ – reactivity of the reactor at temperature T₀₀, calculating the output value of the absorbing elements x₃ according to relation ρ₀₀-ρ₀=ƒ_x (x₃), and carrying out the output of the absorbing elements with a maximum speed to position x₃, then absorbing elements are introduced at the same speed by the amount of maximum play.

EFFECT: ensuring the reduction of the starting time, guaranteed compliance with the limitations on the acceleration rate, elimination of parasitic power surge and the associated overheating and heat pumps.

1 cl, 3 dwg