Calculation of temperature distribution and effective temperature in high burnup fuel of WWER-1000

Abstract

The problem of finding an effective temperature is highly important. This characteristic provides calculation of the power effect reactivity (PER), which defines safe and stable operation of nuclear reactor. The numerical experiment, which is considered on average and maximum heat load conditions, is put to find out changing of the effective temperature in the high burnup fuel of WWER-1000. In the course of the experiment mathematical statement of the problem is made, numerical solution of which is found with using the finite differences approximation of both control equations and border conditions. Also, the method of simple iteration is used for calculating temperature distributions, according to determination of the effective temperature. The linear approximation was obtained basing on effective and maximum temperatures depending on the burnup.

Original language	English
Article number	01031
Journal	MATEC Web of Conferences
Volume	194
DOIs	https://doi.org/10.1051/matecconf/201819401031
Publication status	Published - 21 Aug 2018
Event	2018 Heat and Mass Transfer in the Thermal Control System of Technical and Technological Energy Equipment, HMTTSC 2018 - Tomsk, Russian Federation Duration: 24 Apr 2018 → 26 Apr 2018

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Engineering(all)

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10.1051/matecconf/201819401031

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title = "Calculation of temperature distribution and effective temperature in high burnup fuel of WWER-1000",

abstract = "The problem of finding an effective temperature is highly important. This characteristic provides calculation of the power effect reactivity (PER), which defines safe and stable operation of nuclear reactor. The numerical experiment, which is considered on average and maximum heat load conditions, is put to find out changing of the effective temperature in the high burnup fuel of WWER-1000. In the course of the experiment mathematical statement of the problem is made, numerical solution of which is found with using the finite differences approximation of both control equations and border conditions. Also, the method of simple iteration is used for calculating temperature distributions, according to determination of the effective temperature. The linear approximation was obtained basing on effective and maximum temperatures depending on the burnup.",

author = "Alexander Kudrov and Arian Kuzmin and Denis Savitsky",

year = "2018",

month = aug,

day = "21",

doi = "10.1051/matecconf/201819401031",

language = "English",

volume = "194",

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issn = "2261-236X",

publisher = "EDP Sciences",

note = "2018 Heat and Mass Transfer in the Thermal Control System of Technical and Technological Energy Equipment, HMTTSC 2018 ; Conference date: 24-04-2018 Through 26-04-2018",

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T1 - Calculation of temperature distribution and effective temperature in high burnup fuel of WWER-1000

AU - Kudrov, Alexander

AU - Kuzmin, Arian

AU - Savitsky, Denis

PY - 2018/8/21

Y1 - 2018/8/21

N2 - The problem of finding an effective temperature is highly important. This characteristic provides calculation of the power effect reactivity (PER), which defines safe and stable operation of nuclear reactor. The numerical experiment, which is considered on average and maximum heat load conditions, is put to find out changing of the effective temperature in the high burnup fuel of WWER-1000. In the course of the experiment mathematical statement of the problem is made, numerical solution of which is found with using the finite differences approximation of both control equations and border conditions. Also, the method of simple iteration is used for calculating temperature distributions, according to determination of the effective temperature. The linear approximation was obtained basing on effective and maximum temperatures depending on the burnup.

AB - The problem of finding an effective temperature is highly important. This characteristic provides calculation of the power effect reactivity (PER), which defines safe and stable operation of nuclear reactor. The numerical experiment, which is considered on average and maximum heat load conditions, is put to find out changing of the effective temperature in the high burnup fuel of WWER-1000. In the course of the experiment mathematical statement of the problem is made, numerical solution of which is found with using the finite differences approximation of both control equations and border conditions. Also, the method of simple iteration is used for calculating temperature distributions, according to determination of the effective temperature. The linear approximation was obtained basing on effective and maximum temperatures depending on the burnup.

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