One-dimensional bimodal model of vibration and impacting of instrument tubes in a boiling water reactor
Journal Article
·
· Nuclear Science and Engineering; (United States)
OSTI ID:6009141
- Comision Nacional de Energia Atomica, Libertador (Argentina). Gerencia de Ingenieria
- Univ. of Hannover (Germany). Inst. of Nuclear Engineering and Nondestructive Testing
The vibration and impacting of an instrument tube in a boiling water reactor (BWR) have been studied using a one-dimensional bimodal model. Four modal nonlinear boundary conditions have been applied, and a set of coupled nonlinear equations describing the temporal evolution of two continuous modal amplitudes have been obtained. These equations have been numerically solved by means of a generalized Runge-Kutta algorithm for stochastic equations. The theoretical results have been compared with experimental in-core neutron noise measurements performed in a 1300-MW BWR, Gundremmingen C, and have been used to interpret the particular vibration behavior of one instrument tube.
- OSTI ID:
- 6009141
- Journal Information:
- Nuclear Science and Engineering; (United States), Journal Name: Nuclear Science and Engineering; (United States) Vol. 115:1; ISSN NSENAO; ISSN 0029-5639
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210100* -- Power Reactors
Nonbreeding
Light-Water Moderated
Boiling Water Cooled
BWR TYPE REACTORS
CALCULATION METHODS
ENRICHED URANIUM REACTORS
GUNDREMMINGEN-3 REACTOR
IMPACT SHOCK
IN CORE INSTRUMENTS
ITERATIVE METHODS
MATHEMATICAL MODELS
MECHANICAL VIBRATIONS
NONLINEAR PROBLEMS
NUMERICAL SOLUTION
POWER REACTORS
REACTOR INSTRUMENTATION
REACTOR NOISE
REACTORS
RUNGE-KUTTA METHOD
THERMAL REACTORS
WATER COOLED REACTORS
WATER MODERATED REACTORS
210100* -- Power Reactors
Nonbreeding
Light-Water Moderated
Boiling Water Cooled
BWR TYPE REACTORS
CALCULATION METHODS
ENRICHED URANIUM REACTORS
GUNDREMMINGEN-3 REACTOR
IMPACT SHOCK
IN CORE INSTRUMENTS
ITERATIVE METHODS
MATHEMATICAL MODELS
MECHANICAL VIBRATIONS
NONLINEAR PROBLEMS
NUMERICAL SOLUTION
POWER REACTORS
REACTOR INSTRUMENTATION
REACTOR NOISE
REACTORS
RUNGE-KUTTA METHOD
THERMAL REACTORS
WATER COOLED REACTORS
WATER MODERATED REACTORS