Neutron Radiography Experiments at JRR-4, (I)
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概要
- 論文の詳細を見る
RR-4, which is a swimming pool type reactor (2.5 MWt), is particularly suitable as source for neutron radiography. The first phases of neutron radiography experiments at JRR-4 are reported in this paper.<BR>A simple Al tube (I.D.=60 mm) with a graphite block (100 x 100 x 700 mm) attached at the end was inserted in the pool (10m deep) and the graphite block was positioned close to the reactor core. The upper part of the tube was curved to avoid direct radiation streaming from the core.<BR>Using both direct exposure method (DEM) and transfer (indirect) exposure method (TEM), the device thus arranged was tested to determine its performance in terms of sensitivity, resolution and contrast. Two examples of application are described : namely, determination of the enrichment of UO<SUB>2</SUB> pellets, and detection of small quantities of hydrogeneous material.
- 一般社団法人 日本原子力学会の論文
著者
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Takagi Ken-ichi
Department Of Mechanical Engineering Tokyo City University
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Sato Osamu
Department Of Agricultural Chemistry Faculty Of Agriculture Nagoya University
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MATSUMOTO Gen-ichi
Department of Nuclear Engineering, Faculty of Engineering, Nagoya University
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SATO Osamu
Department of Nuclear Engineering, Faculty of Engineering, Nagoya University
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TOMII Kakuzo
Japan Atomic Energy Research Institute
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HATTORI Isao
Department of Nuclear Engineering, Faculty of Engineering, Nagoya University
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