Gadolinium burnable absorber optimization by the method of conjugate gradients
Journal Article
·
· Nucl. Sci. Eng.; (United States)
The optimal axial distribution of gadolinium burnable poison in a pressurized water reactor is determined to yield an improved power distribution. The optimization scheme is based on Pontryagin's maximum principle, with the objective function accounting for a target power distribution. The conjugate gradients optimization method is used to solve the resulting Euler-Lagrange equations iteratively, efficiently handling the high degree of nonlinearity of the problem.
- Research Organization:
- Sandia National Labs., Orgn. 2321, P.O. Box 5800, Albuquerque, NM 87185
- OSTI ID:
- 6346403
- Journal Information:
- Nucl. Sci. Eng.; (United States), Journal Name: Nucl. Sci. Eng.; (United States) Vol. 96:1; ISSN NSENA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
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BURNABLE POISONS
DIFFERENTIAL EQUATIONS
ELEMENTS
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GADOLINIUM
ITERATIVE METHODS
LAGRANGE EQUATIONS
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METALS
NEUTRON ABSORBERS
NONLINEAR PROBLEMS
NUCLEAR POISONS
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210200 -- Power Reactors
Nonbreeding
Light-Water Moderated
Nonboiling Water Cooled
22 GENERAL STUDIES OF NUCLEAR REACTORS
220400* -- Nuclear Reactor Technology-- Control Systems
BURNABLE POISONS
DIFFERENTIAL EQUATIONS
ELEMENTS
EQUATIONS
GADOLINIUM
ITERATIVE METHODS
LAGRANGE EQUATIONS
MATERIALS
METALS
NEUTRON ABSORBERS
NONLINEAR PROBLEMS
NUCLEAR POISONS
OPTIMIZATION
PARTIAL DIFFERENTIAL EQUATIONS
POWER DISTRIBUTION
PWR TYPE REACTORS
RARE EARTHS
REACTOR MATERIALS
REACTORS
WATER COOLED REACTORS
WATER MODERATED REACTORS