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titleType: Subtitle
title: Numerical determination of application boundaries of the assumption about neglecting the differential term in the ISKE method
Creators: name: ÐÐ±ÑÐ°Ð¼Ð¾Ð², ÐÐ°ÑÐ¸Ð»Ð¸Ð¹
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2022
Subjects: Ð¯Ð´ÐµÑÐ½ÑÐµ ÑÐµÐ°ÐºÑÐ¾ÑÑ
Ð¾Ð±ÑÐ°ÑÐµÐ½Ð½Ð¾Ðµ ÑÐµÑÐµÐ½Ð¸Ðµ ÑÑÐ°Ð²Ð½ÐµÐ½Ð¸Ñ ÐºÐ¸Ð½ÐµÑÐ¸ÐºÐ¸
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Ð´Ð¸ÑÑÐµÑÐµÐ½ÑÐ¸Ð°Ð»ÑÐ½Ð¾Ðµ ÑÐ»Ð°Ð³Ð°ÐµÐ¼Ð¾Ðµ
inverted solution of the kinetics equation
reactimeter
differential summand

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description: The subject of the graduate qualification work: "Numerical determination of application boundaries of the assumption about neglecting the differential term in the ISKE method". This work is devoted to testing the versatility of neglecting the differential term in the inverted solution of the kinetic equation (ISKE) using a software package. Meaning, we check whether the calculation of reactivity will be correct, when changing the parameters, using this assumption. Objectives that were solved during the research: 1. Checking the correctness of the program. 2. Checking the limits of applicability of the assumption about neglecting the differential summand in the ISKEThe calculations were carried out according to the following algorithm: 1. Simulation of the neutron flux by the input reactivity. 2. Calculation of reactivity from the neutron flux in the program. 3. Comparison of input and calculated reactivity. Assumption about the neglect of the differential summand in the ISKE are used in the measurement of reactivity. As a result of the work, it was determined that this assumption is not versatile. The application boundaries depend on the type of fuel. Therefore, it is necessary to correct calculation technique.