METHOD grading measurement channel neutron flux density in a nuclear reactor in absolute power units

摘要

method u0433u0440u0430u0434u0443u0438u0440u043eu0432u043au0438 channel u0438u0437u043cu0435u0440u0435u043du0438u00a0 density neutron flux in the reactor u00a0u0434u0435u0440u043du043eu043c in absolute units of power, including the measurement technique of power reactor the house of activation u0444u043eu043bu044cu0433 small u0443u0440u043eu0432u043du00a0u0445 power or u043au0430u043bu043eu0440u0438u043cu0435u0442u0440u0438u0447u0435u0441u043au0438u043c method on a large u0443u0440u043eu0432u043du00a0u0445 power u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 orderwhat u0434u043bu00a0 u0440u0430u0441u0448u0438u0440u0435u043du0438u00a0 range maximum range of linearity u0433u0440u0430u0434u0443u0438u0440u043eu0432u043au0438 originally u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 channel u0438u0437u043cu0435u0440u0435u043du0438u00a0 neutron flux density, in which ol u043eu0438u0437u0432u043eu0434u00a0u0442 u0433u0440u0430u0434u0443u0438u0440u043eu0432u043au0443, u0434u043bu00a0 in u00a0u0434u0435u0440u043du044bu0439 reactor u043du0430u0445u043eu0434u00a0u0449u0438u0439u0441u00a0 in u043fu043eu0434u043au0440u0438u0442u0438u0447u0435u0441u043au043eu043c or critical u0441u043eu0441u0442u043eu00a0u043du0438u0438, u0432u0432u043eu0434u00a0u0442 positive u0441u0442u0443u043fu0435u043du0447u0430u0442u043eu0435 change u0440u0435u0430u043au0442u0438u0432u043du043eu0441 t.u043fu0435u0440u0435u0432u043eu0434u00a0u0449u0435u0435 u00a0u0434u0435u0440u043du044bu0439 reactor in u043du0430u0434u043au0440u0438u0442u0438u0447u0435u0441u043au043eu0435 u0441u043eu0441u0442u043eu00a0u043du0438u0435 with continuously u0443u0432u0435u043bu0438u0447u0438u0432u0430u044eu0449u0435u0439u0441u00a0 input and u043eu0441u0443u0449u0435u0441u0442u0432u043bu00a0u044eu0442 while measuring and recording the values of her no flow and high temperature u00a0u0434u0435u0440u043du043eu0433u043e reactor, after that,u0438u0441u043fu043eu043bu044cu0437u0443u00a0 results and u043du0435u0441u0442u0430u0446u0438u043eu043du0430u0440u043du044bu0435 u0443u0440u0430u0432u043du0435u043du0438u00a0 kinetics u00a0u0434u0435u0440u043du043eu0433u043e reactor reactivity are changing over time, taking into account the amendment on the pace the effect of reactivity u0435u0440u0430u0442u0443u0440u043du044bu0439 formula;0 (t) = (t) + (t) (t (t), t0);where t is the u0432u0440u0435u043cu00a0;;t (t) - u0441u0440u0435u0434u043du00a0u00a0 temperature u00a0u0434u0435u0440u043du043eu0433u043e reactor;;u04420 - u0441u0440u0435u0434u043du00a0u00a0 temperature u00a0u0434u0435u0440u043du043eu0433u043e reactor at the time of u0432u0432u0435u0434u0435u043du0438u00a0 positive spike reactivity;;(t) is the temperature coefficient of reactivity.;(t) is the estimated change in reactivity in time;;0 (t) is the estimated change in reactivity over time after adjusting for temperature effect;and the maximum range of linearity u0438u0437u043cu0435u0440u0435u043du0438u00a0 neutron flux density set for u043fu043eu0441u0442u043eu00a0u043du0441u0442u0432u0443 in this range, the reactivity of the amendment key to the temperature effect, and then with the same value of the neutron flux density lying in the linear range u043fu0440u043eu0438u0437u0432u043eu0434u00a0u0442 absolute power measurement activation method of reactor u0444u043eu043bu044cu0433 or u043au0430u043bu043eu0440u0438u043cu0435u0442u0440u0438u0447u0435u0441u043au0438u043c method.