Published April 2001
| Version v1
Journal article
Boundary effect by the radiolysis of primary circuit coolant of WWER
Creators
Description
Concentrations of the radiolytic origin oxidants (O2, H2O2, O2-) of the WWER-1000 primary coolant circuit were calculated under hydrogen water-chemical regime and different time dependence of absorbed dose rate drop in the coolant at the output from the reactor core. It is shown that the linear or exponential dose rate drop at the primary circuit section with proper residence time of the coolant equal to 0.1 s tends to decrease of the radiolytic oxygen and hydrogen peroxide concentrations of the primary circuit outside of the reactor core as minimum by the factor 10
Abstract (Russian)
Приведены расчеты концентрации окислителей радиолитического происхождения (O2, H2O2, O2-) в первом контуре ВВЭР-1000 при водородном водно-химическом режиме и различном временном законе спада мощности поглощенной дозы в теплоносителе на выходе из активной зоны. Показано, что линейный или экспоненциальный спад мощности дозы на отрезке первого контура, соответствующий времени пребывания в нем теплоносителя 0.1 с, приводит к снижению концентрации радиолитических кислорода и пероксида водорода в первом контуре вне активной зоны как минимум в 10 разAdditional details
Additional titles
- Original title (Russian)
- Краевой эффект при радиолизе теплоносителя в активной зоне VVEhR
Publishing Information
- Journal Title
- Atomnaya Ehnergiya
- Journal Volume
- 90
- Journal Issue
- 4
- Journal Page Range
- p. 273-277
- ISSN
- 0004-7163
- CODEN
- AENGAB
INIS
- Country of Publication
- Russian Federation
- Country of Input or Organization
- Russian Federation
- INIS RN
- 35001389
- Subject category
- S38: RADIATION CHEMISTRY, RADIOCHEMISTRY AND NUCLEAR CHEMISTRY;
- Descriptors DEI
- COMPUTERIZED SIMULATION; CONCENTRATION RATIO; DOSE RATES; HYDROGEN PEROXIDE; NOVOVORONEZH-5 REACTOR; OXIDIZERS; OXYGEN; PRIMARY COOLANT CIRCUITS; RADIOLYSIS; REACTOR CORES; TIME DEPENDENCE; WATER
- Descriptors DEC
- CHEMICAL RADIATION EFFECTS; CHEMICAL REACTIONS; COOLING SYSTEMS; DECOMPOSITION; ELEMENTS; ENERGY SYSTEMS; ENRICHED URANIUM REACTORS; HYDROGEN COMPOUNDS; NONMETALS; OXYGEN COMPOUNDS; PEROXIDES; POWER REACTORS; PWR TYPE REACTORS; RADIATION EFFECTS; REACTOR COMPONENTS; REACTOR COOLING SYSTEMS; REACTORS; SIMULATION; THERMAL REACTORS; WATER COOLED REACTORS; WATER MODERATED REACTORS; WWER TYPE REACTORS
Optional Information
- Notes
- 10 refs., 3 figs.