Stabilising boiling water reactors by optimising the position of the feedwater sparger

R. Zboray; W. J.M. De Kruijf; T. H.J.J. Van der Hagen

doi:10.1016/S0029-5493(02)00398-9

Stabilising boiling water reactors by optimising the position of the feedwater sparger

R. Zboray, W. J.M. De Kruijf, T. H.J.J. Van der Hagen

Research output: Contribution to journal › Article › peer-review

Abstract

The influence of changing the position of the feedwater sparger on the thermal-hydraulic stability of natural-circulation boiling water reactors (BWRs) is investigated. Frequency-domain, linear stability analysis is applied using a reduced-order dynamic model. It is found that the phase with which the temperature oscillations, created at the feedwater sparger, reach the core inlet has a significant influence on the stability. This phase is influenced by the position of the sparger. It is shown that moving the sparger to the core inlet has a stabilising influence. Similar result is found using the thermal-hydraulic code MONA.

Original language	English (US)
Pages (from-to)	54-67
Number of pages	14
Journal	Nuclear Engineering and Design
Volume	222
Issue number	1
DOIs	https://doi.org/10.1016/S0029-5493(02)00398-9
State	Published - May 2003

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics
Nuclear Energy and Engineering
General Materials Science
Safety, Risk, Reliability and Quality
Waste Management and Disposal
Mechanical Engineering

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10.1016/S0029-5493(02)00398-9

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title = "Stabilising boiling water reactors by optimising the position of the feedwater sparger",

abstract = "The influence of changing the position of the feedwater sparger on the thermal-hydraulic stability of natural-circulation boiling water reactors (BWRs) is investigated. Frequency-domain, linear stability analysis is applied using a reduced-order dynamic model. It is found that the phase with which the temperature oscillations, created at the feedwater sparger, reach the core inlet has a significant influence on the stability. This phase is influenced by the position of the sparger. It is shown that moving the sparger to the core inlet has a stabilising influence. Similar result is found using the thermal-hydraulic code MONA.",

author = "R. Zboray and \{De Kruijf\}, \{W. J.M.\} and \{Van der Hagen\}, \{T. H.J.J.\}",

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AU - Zboray, R.

AU - De Kruijf, W. J.M.

AU - Van der Hagen, T. H.J.J.

PY - 2003/5

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N2 - The influence of changing the position of the feedwater sparger on the thermal-hydraulic stability of natural-circulation boiling water reactors (BWRs) is investigated. Frequency-domain, linear stability analysis is applied using a reduced-order dynamic model. It is found that the phase with which the temperature oscillations, created at the feedwater sparger, reach the core inlet has a significant influence on the stability. This phase is influenced by the position of the sparger. It is shown that moving the sparger to the core inlet has a stabilising influence. Similar result is found using the thermal-hydraulic code MONA.

AB - The influence of changing the position of the feedwater sparger on the thermal-hydraulic stability of natural-circulation boiling water reactors (BWRs) is investigated. Frequency-domain, linear stability analysis is applied using a reduced-order dynamic model. It is found that the phase with which the temperature oscillations, created at the feedwater sparger, reach the core inlet has a significant influence on the stability. This phase is influenced by the position of the sparger. It is shown that moving the sparger to the core inlet has a stabilising influence. Similar result is found using the thermal-hydraulic code MONA.

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JO - Nuclear Engineering and Design

JF - Nuclear Engineering and Design

IS - 1

ER -

Stabilising boiling water reactors by optimising the position of the feedwater sparger

Abstract

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