Simulation of the behavior of activated products of corrosion during RBMK-1000 startup after scheduled major overhaul
A simple model is proposed for calculating the activation of corrosion products during startup and under normal operation conditions of a reactor. The model parameters, such as the rate of removal of radionuclides from the loop and the wash-off and deposition constants of radionuclides in the reacto...
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| Veröffentlicht in: | Atomic energy (New York, N.Y.) N.Y.), 2001-05, Vol.90 (5), p.382-389 |
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| container_title | Atomic energy (New York, N.Y.) |
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| creator | KRITSKII, V. G RODIONOV, Yu. A STYAZHKIN, P. S KHASANOVA, G. B EPIKHIN, A. I KOVALEV, S. M KOZLOV, E. P |
| description | A simple model is proposed for calculating the activation of corrosion products during startup and under normal operation conditions of a reactor. The model parameters, such as the rate of removal of radionuclides from the loop and the wash-off and deposition constants of radionuclides in the reactor core, are determined for certain radionuclides. It is shown that the removal rate of activated corrosion products is 3-10 times higher than previously assumed, and is (2.4-6)·10^sup -4^ sec^sup -1^ for ^sup 51^Cr and (7.5-10)·10^sup -4^ sec^sup -1^ for ^sup 60^Co. The removal of ^sup 51^Cr from a forced multiple circulation loop as a result of the higher solubility of this radionuclide is determined primarily by bypass purification, and the removal of ^sup 60^Co is determined primarily by removal with steam and subsequent purification of the condensate. The model calculations agree satisfactorily with observations.[PUBLICATION ABSTRACT] |
| doi_str_mv | 10.1023/A:1011372408447 |
| format | Article |
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G ; RODIONOV, Yu. A ; STYAZHKIN, P. S ; KHASANOVA, G. B ; EPIKHIN, A. I ; KOVALEV, S. M ; KOZLOV, E. P</creator><creatorcontrib>KRITSKII, V. G ; RODIONOV, Yu. A ; STYAZHKIN, P. S ; KHASANOVA, G. B ; EPIKHIN, A. I ; KOVALEV, S. M ; KOZLOV, E. P</creatorcontrib><description>A simple model is proposed for calculating the activation of corrosion products during startup and under normal operation conditions of a reactor. The model parameters, such as the rate of removal of radionuclides from the loop and the wash-off and deposition constants of radionuclides in the reactor core, are determined for certain radionuclides. It is shown that the removal rate of activated corrosion products is 3-10 times higher than previously assumed, and is (2.4-6)·10^sup -4^ sec^sup -1^ for ^sup 51^Cr and (7.5-10)·10^sup -4^ sec^sup -1^ for ^sup 60^Co. The removal of ^sup 51^Cr from a forced multiple circulation loop as a result of the higher solubility of this radionuclide is determined primarily by bypass purification, and the removal of ^sup 60^Co is determined primarily by removal with steam and subsequent purification of the condensate. The model calculations agree satisfactorily with observations.[PUBLICATION ABSTRACT]</description><identifier>ISSN: 1063-4258</identifier><identifier>EISSN: 1573-8205</identifier><identifier>DOI: 10.1023/A:1011372408447</identifier><language>eng</language><publisher>Heidelberg: Springer</publisher><subject>Activated ; Circulation ; Constants ; Corrosion ; Corrosion products ; Deposition ; Mathematical models ; Purification ; Radioisotopes ; Reactors ; Solubility</subject><ispartof>Atomic energy (New York, N.Y.), 2001-05, Vol.90 (5), p.382-389</ispartof><rights>2002 INIST-CNRS</rights><rights>Plenum Publishing Corporation 2001</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c289t-22a7ed60e8d0f0cf23d5ca5123916f55b995bb172eabc6082b027661c1bcd8f13</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=13392682$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>KRITSKII, V. G</creatorcontrib><creatorcontrib>RODIONOV, Yu. A</creatorcontrib><creatorcontrib>STYAZHKIN, P. S</creatorcontrib><creatorcontrib>KHASANOVA, G. B</creatorcontrib><creatorcontrib>EPIKHIN, A. I</creatorcontrib><creatorcontrib>KOVALEV, S. M</creatorcontrib><creatorcontrib>KOZLOV, E. P</creatorcontrib><title>Simulation of the behavior of activated products of corrosion during RBMK-1000 startup after scheduled major overhaul</title><title>Atomic energy (New York, N.Y.)</title><description>A simple model is proposed for calculating the activation of corrosion products during startup and under normal operation conditions of a reactor. The model parameters, such as the rate of removal of radionuclides from the loop and the wash-off and deposition constants of radionuclides in the reactor core, are determined for certain radionuclides. It is shown that the removal rate of activated corrosion products is 3-10 times higher than previously assumed, and is (2.4-6)·10^sup -4^ sec^sup -1^ for ^sup 51^Cr and (7.5-10)·10^sup -4^ sec^sup -1^ for ^sup 60^Co. The removal of ^sup 51^Cr from a forced multiple circulation loop as a result of the higher solubility of this radionuclide is determined primarily by bypass purification, and the removal of ^sup 60^Co is determined primarily by removal with steam and subsequent purification of the condensate. The model calculations agree satisfactorily with observations.[PUBLICATION ABSTRACT]</description><subject>Activated</subject><subject>Circulation</subject><subject>Constants</subject><subject>Corrosion</subject><subject>Corrosion products</subject><subject>Deposition</subject><subject>Mathematical models</subject><subject>Purification</subject><subject>Radioisotopes</subject><subject>Reactors</subject><subject>Solubility</subject><issn>1063-4258</issn><issn>1573-8205</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNpdjklLxDAYhosoOI6evQZB8FLN0qSJt3FwwxHB5Vy-Jqnt0GnGLAP-e1v05OlbeN6HN8tOCb4kmLKrxTXBhLCSFlgWRbmXzQgvWS4p5vvjjgXLC8rlYXYUwhpjrISSsyy9dZvUQ-zcgFyDYmtRbVvYdc5PN-jY7SBag7bemaRjmL7aee_CFDHJd8Mner15fsrJKEUhgo9pi6CJ1qOgW2tSP8Y3sJ6MO-tbSP1xdtBAH-zJ35xnH3e378uHfPVy_7hcrHJNpYo5pVBaI7CVBjdYN5QZroETyhQRDee1UryuSUkt1FpgSWtMSyGIJrU2siFsnl38esf2X8mGWG26oG3fw2BdChURJaGS8UKM6Nk_dO2SH8Z2VcmlxFQpNkLnfxAEDX3jYdBdqLa-24D_rghjigpJ2Q9Pr3iR</recordid><startdate>20010501</startdate><enddate>20010501</enddate><creator>KRITSKII, V. 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| issn | 1063-4258 1573-8205 |
| language | eng |
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| source | SpringerLink Journals - AutoHoldings |
| subjects | Activated Circulation Constants Corrosion Corrosion products Deposition Mathematical models Purification Radioisotopes Reactors Solubility |
| title | Simulation of the behavior of activated products of corrosion during RBMK-1000 startup after scheduled major overhaul |
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