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Journal Articles

ACTINIDES GEOCHEMICAL DATABASE FOR PERFORMANCE ANALYSIS OF HIGH-LEVEL RADIOACTIVE WASTE REPOSITORIES AND THE PROGRAM TO INCREASE ITS CONFIDENCE

Ishikawa, Hirohisa; Yui, Mikazu

Proceedings of Actinides 2001, 0 Pages, 2002/00

None

Journal Articles

Field Study of the variability of 226Ra uptake by plant and their relationship

Tokizawa, Takayuki; ; Sato, Kazuhiko

Proceedings of Actinides 2001, 0 Pages, 2001/11

The transfer of 226Ra from soil of to plant has been studied for wild trees and grasses to identify the site-and the plant-specific variability in relation to the transfer of Ca. twelve species of plants and soils were sampled from three different forests and one flood plain in Okayama,Japan.The concetrations of 226Ra in plant varied about 60 times by species and sites while those in soil were n

Journal Articles

Development of sphere-pac nuclear fuel behavior analysis code

; ; Pouchon, M. A.

Proceedings of Actinides 2001, 0 Pages, 2001/11

In the feasibility study of a FBRcycle system,alternative nuclear fuel designs are considered. The "sphere-pac" fuel design is one option, which consists of a spherical particle bed vibro-packed into the fuel pin cladding. The advantages of this concept would be a less-powder in fuel production and a lower mechanical interaction between fuel and cladding. JNC has developed a new fuel irradiation behavi

Journal Articles

A Mixed ceramic-metal sphere-pac concept

Pouchon, M. A.;

Proceedings of Actinides 2001, 0 Pages, 2001/11

As an alternative concept,a particle arrangement(sphere-pac or vibro-pac type)is considered as fuel-form for burning actinides. The fuel material is potentially MOX or an Inert Matrix like yttria stabilized zirconia. A weak point of particle fuel is its thermal conductivity at startup.Before sintering initiates the macroscopic structure of the sphere-pac decreases the energy transport. For a partial

Journal Articles