A New Estimation Method for Nuclide Number Densities in Equilibrium Cycle.
-
- SEINO Takeshi
- Isogo Engineering Center, Toshiba Corp.
-
- SEKIMOTO Hiroshi
- Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology
-
- ANDO Yoshihira
- Nuclear Engineering Laboratory, Toshiba Corp.
Bibliographic Information
- Other Title
-
- New Estimation Method for Nuclide Numbe
Search this article
Description
<BR>A new method is proposed for estimating nuclide number densities of LWR equilibrium cycle by multi-recycling calculation. Conventionally, it is necessary to spend a large computation time for attaining the ultimate equilibrium state. Hence, the cycle in nearly constant fuel composition has been considered as an equilibrium state which can be achieved by a few of recycling calculations on a simulated cycle operation under a specific fuel core design. The present method uses steady state fuel nuclide number densities as the initial guess for multi-recycling burnup calculation obtained by a continuously fuel supplied core model. The number densities are modified to be the initial number densities for nuclides of a batch supplied fuel. <BR>It was found that the calculated number densities could attain to more precise equilibrium state than that of a conventional multi-recycling calculation with a small number of recyclings. In particular, the present method could give the ultimate equilibrium number densities of the nuclides with the higher mass number than 245Cm and 244Pu which were not able to attain to the ultimate equilibrium state within a reasonable number of iterations using a conventional method.
Journal
-
- Journal of Nuclear Science and Technology
-
Journal of Nuclear Science and Technology 34 (8), 745-754, 1997
Atomic Energy Society of Japan
- Tweet
Keywords
Details 詳細情報について
-
- CRID
- 1390001204095006464
-
- NII Article ID
- 10002077687
-
- NII Book ID
- AA00703720
-
- COI
- 1:CAS:528:DyaK2sXmsVWks7s%3D
-
- ISSN
- 18811248
- 00223131
-
- NDL BIB ID
- 4277720
-
- Text Lang
- en
-
- Data Source
-
- JaLC
- NDL
- Crossref
- CiNii Articles
-
- Abstract License Flag
- Disallowed