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Title: New generation of NPP with boiling water reactor of improved safety

Abstract

The nuclear power plants with boiling water reactors of improved safety are being developed. There is 26 years of operating experience with the plant VK-50 in Dimitrovgrad. The design and operation of the BWR reactors are described.

Authors:
; ; ; ; ; ; ; ; ;  [1]
  1. and others
Publication Date:
OSTI Identifier:
107266
Report Number(s):
CONF-920957-
Journal ID: TANSAO; ISSN 0003-018X; TRN: 95:020995
Resource Type:
Journal Article
Resource Relation:
Journal Name: Transactions of the American Nuclear Society; Journal Volume: 67; Journal Issue: Suppl.1; Conference: 3. annual Nuclear Society International (NSI) meeting: nuclear technology tomorrow, St. Petersburg (Russian Federation), 14-18 Sep 1992; Other Information: PBD: 1993
Country of Publication:
United States
Language:
English
Subject:
21 NUCLEAR POWER REACTORS AND ASSOCIATED PLANTS; BWR TYPE REACTORS; DESIGN; NUCLEAR POWER PLANTS; RUSSIAN FEDERATION; REACTOR COOLING SYSTEMS

Citation Formats

Adamov, E.O., Kuklin, A.N., Mityaev, Yu.I., Mikhan, V.I., Tokarev, Yu.I., Cherkashov, Yu.M., Sokolov, I.N., Iljin, Yu.V., Pakh, E.E., and Abramov, V.I. New generation of NPP with boiling water reactor of improved safety. United States: N. p., 1993. Web.
Adamov, E.O., Kuklin, A.N., Mityaev, Yu.I., Mikhan, V.I., Tokarev, Yu.I., Cherkashov, Yu.M., Sokolov, I.N., Iljin, Yu.V., Pakh, E.E., & Abramov, V.I. New generation of NPP with boiling water reactor of improved safety. United States.
Adamov, E.O., Kuklin, A.N., Mityaev, Yu.I., Mikhan, V.I., Tokarev, Yu.I., Cherkashov, Yu.M., Sokolov, I.N., Iljin, Yu.V., Pakh, E.E., and Abramov, V.I. 1993. "New generation of NPP with boiling water reactor of improved safety". United States. doi:.
@article{osti_107266,
title = {New generation of NPP with boiling water reactor of improved safety},
author = {Adamov, E.O. and Kuklin, A.N. and Mityaev, Yu.I. and Mikhan, V.I. and Tokarev, Yu.I. and Cherkashov, Yu.M. and Sokolov, I.N. and Iljin, Yu.V. and Pakh, E.E. and Abramov, V.I.},
abstractNote = {The nuclear power plants with boiling water reactors of improved safety are being developed. There is 26 years of operating experience with the plant VK-50 in Dimitrovgrad. The design and operation of the BWR reactors are described.},
doi = {},
journal = {Transactions of the American Nuclear Society},
number = Suppl.1,
volume = 67,
place = {United States},
year = 1993,
month =
}
  • In this paper a boiling water reactor (BWR) core concept that meets various requirements for a next-generation light water reactor is proposed. This BWR core can be operated as either a high-burnup core or a high-conversion core simply by replacing the fuel assemblies and control rods. The high-burnup core is suitable for a once-through nuclear fuel cycle and has a low fuel cycle cost due to the adoption of advanced spectral shift technology. The high-conversion core is suitable for nuclear fuel recycling and reaches a high-conversion ratio by adopting a tight-lattice arrangement of mixed-oxide fuel rods in the fuel assembliesmore » and using control rods with a zirconium follower. The reactor structures are essentially identical, and they are designed to be as simple as the current BWR to achieve high reliability. The reactor core also has high operability due to the spectral shift water rods that are operated with all control rods withdrawn. At reactor shutdown, the core has a large reactivity control capability due to the cruciform control rods with wider blades and has an ample safety margin.« less
  • A search method based on genetic algorithms (GA) using deterministic operators has been developed to generate optimized boiling water reactor (BWR) loading patterns (LPs). The search method uses an Improved GA operator, that is, crossover, mutation, and selection. The handling of the encoding technique and constraint conditions is designed so that the GA reflects the peculiar characteristics of the BWR. In addition, some strategies such as elitism and self-reproduction are effectively used to improve the search speed. LP evaluations were performed with a three-dimensional diffusion code that coupled neutronic and thermal-hydraulic models. Strong axial heterogeneities and three-dimensional-dependent constraints have alwaysmore » necessitated the use of three-dimensional core simulators for BWRs, so that an optimization method is required for computational efficiency. The proposed algorithm is demonstrated by successfully generating LPs for an actual BWR plant applying the Haling technique. In test calculations, candidates that shuffled fresh and burned fuel assemblies within a reasonable computation time were obtained.« less