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TINJAUAN UJI PASCA IRADIASI BAHAN BAKAR JENIS PEBBLE BED DI INSTALASI RADIOMETALURGI

Gogo, Antonio (2018) TINJAUAN UJI PASCA IRADIASI BAHAN BAKAR JENIS PEBBLE BED DI INSTALASI RADIOMETALURGI. PIN, XI (20). pp. 1-16. ISSN 1979-2409

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Abstract

ABSTRAK Dalam rangka menyongsong program pembangunan dan pengembangan pabrikasi bahan bakar Reaktor Daya Eksperimental RDE (HTGR) maka dipandang perlu melakukan tinjauan terkait uji pasca iradiasinya di Instalasi Radiometalurgi (IRM). Hasil tinjauan ini diharapkan dapat menjadi masukan untuk kesiapan IRM melakukan uji pasca iradiasi terhadap bahan bakar RDE jenis Pebble Bed. Fasilitas uji pasca iradiasi di IRM memungkinkan untuk penyediaan data unjuk kerja bahan bakar RDE, dengan beberapa hal yang menjadi perhatian, yaitu: penetapan desain kapsul uji untuk fuel compacts dan pembongkarannya di hot cell, penanganan coated fuel particles di hot cell dengan sistem vakum, penggunaan kamera dengan pendukungnya yang didesain khusus untuk coated fuel particles agar pengaruh radiasi gamma seminimal mungkin serta dilengkapi mekanisme penempatan sampel, gamma spektrometer dengan mekanisme penempatan khusus coated fuel particles di depan kolimator. Terkait lisensi, alat uji ketahanan fuel compacts (simulasi kecelakaan) seperti CCCTF atau KÜFA memerlukan hot cell khusus yang dapat dibangun di basement gedung IRM. Observasi terhadap distribusi produk fisi pada penampang lintang coated fuel particles dapat dilakukan dengan SEM dan EPMA, yang dirancang khusus untuk material teriradiasi. Energi dispersif spektroskopi sinar-x atau panjang gelombang dispersif spektroskopi sinar-x untuk analisis unsur. Kata kunci: RDE, bahan bakar nuklir pebble bed, uji pasca iradiasi, Instalasi Radiometalurgi. ABSTRACT In order to meet the development program of the Experimental Power Reactor (RDE-HTGR) fuel fabrication, it is deemed necessary to conduct a review of the post irradiation examination at Radiometalurgy Installation (RMI). The results of this review are expected to be a suggention for management of RMI in preparation for the post-irradiation examination of RDE fuels Pebble Bed. The post-irradiation examination facility enable for the provision of RDE fuel performance data, with several points of concern: determine of the design of test capsule for fuel compacts and disassembly in hot cells, handling of coated fuel particles in a hot cell with a vacuum system, use of the camera with its supporters specially designed for coated fuel particles to minimize the effect of gamma radiation as well as equipped with sample placement mechanism, gamma spectrometer with special placement mechanism of coated fuel particles in front of collimator. Related to the licenses, fuel compacts durability testing devices such as CCCTF or KÜFA required specic hot cells that can be built in the basement of the IRM building. Observations on the distribution of fission products at cross sectional coated fuel particles can be done with SEM and EPMA, specifically designed for irradiated materials. X-ray dispersive energy spectroscopy or wavelength dispersive x-ray spectroscopy for elemental analysis. Keywords: Experimental Power Reactor, pebble bed fuel, post irradiatioan examination, Radiometallurgy Installation

Item Type: Article
Subjects: Daur Bahan Bakar Nuklir dan Bahan Maju > Bahan Bakar Nuklir > Teknik Sintesis Bahan Bakar Nuklir
Divisions: Pusat Teknologi Bahan Bakar Nuklir
Depositing User: USER PTBBN BATAN
Date Deposited: 13 Nov 2018 03:53
Last Modified: 13 Nov 2018 03:53
URI: http://repo-nkm.batan.go.id/id/eprint/4534

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