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加速器 による原子炉

鈴 木 健 ヨ

Accelerator Aided Nuclear Reactor

Takenori SuzuKIキ Abstract

In the future nuclear poヽ

ver rnay encounter serious problems of the shortage of nuclear fuels ln order to solve this problem,many advanced countries in nuclear engineerings are trying to construct FBR(Fast Breeding Reactor)for breeding nssile materials from fertile materials Often this common type of FBR is clailned because of the longer dOubhng tirne than 15 years An accelerator aided nuclear reactor、 、 as studied once around 1950  Because of the cost of breeding and enrihchment,it、 vas abandoned unt■ 1977  1n the past decade,several merits of the accelerator breeding have been looked up again and many researches have been conducted at several institutions  One of reasons to reconsider the prOject is that M′ e have enOugh technol‐

Ogies to build an accelerator for breeder and also enOugh kno、

vledge of several different targets Already,a fe、

v design studies have been completed  From these results,ThoriuHi cycle has been suggested  This、

vili be a ne、

v option for nuclear energy and also thisェ ア in increase the energy

security of the、'、

ア orld

1.  Introduction

No、

vadays, an accelerator aided nuclear reactor has been studied extensively in many

countries.  This paper is going to suHllnarize the second part of my talk presented at the

Ⅵ rorkshop on energy held at National Cheng一 Kung University,「 raiwan, 1984.  The ttirst part has appeared in this last Bunetin issued in Feb 1985 as a title of]ヽ ′ J:uon Catalyzed Nuclear Fusion(1).

The idea of energy production using an accelerator、 vas proposed arOund 1950 in USA The project airned at converting natural l」

raniuna into Pu‑239 and enriched Uranium.  After

the technical studies,the project、 vas abandoned in the middle of 50's,since the production cost did not meet the cost of production by reprocessing spent fuel from a reactor and the gaseous dilfusion enrichment,  After tMro decades since the project 

Ⅵ〆

as closed,lnfOrmation"Ieeting on Accelerator Breeding、

as held by D()E in 1977.  Since then,many proposals for accelerator breeding have been discussed in conferences.  WIany summaries about this project have been pubhshed(2〜 7)and in this、vork these publcations、

ill be refered

Redeived October 31,1985

Associate Professor. This is the second part of talk presented at the Mrorkshop on energy held at National Cheng― Kung University,Tainan,Taiwan,ROC,Jan 5‑7,1984

‑116‑

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