Antonio Gogo Antonio Gogo Gogo
Majalah Ilmiah Pengelolaan Instalasi Nuklir (PIN)

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TINJAUAN UJI PASCA IRADIASI BAHAN BAKAR JENIS PEBBLE BED DI INSTALASI RADIOMETALURGI Antonio Gogo Antonio Gogo Gogo
PIN Pengelolaan Instalasi Nuklir Vol 11, No 20 (2018): April 2018
Publisher : PIN Pengelolaan Instalasi Nuklir

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Abstract

ABSTRAKDalam rangka menyongsong program pembangunan dan pengembangan pabrikasi bahan bakarReaktor Daya Eksperimental RDE (HTGR) maka dipandang perlu melakukan tinjauan terkait ujipasca iradiasinya di Instalasi Radiometalurgi (IRM). Hasil tinjauan ini diharapkan dapat menjadimasukan untuk kesiapan IRM melakukan uji pasca iradiasi terhadap bahan bakar RDE jenisPebble Bed. Fasilitas uji pasca iradiasi di IRM memungkinkan untuk penyediaan data unjuk kerjabahan bakar RDE, dengan beberapa hal yang menjadi perhatian, yaitu: penetapan desain kapsuluji untuk fuel compacts dan pembongkarannya di hot cell, penanganan coated fuel particles di hotcell dengan sistem vakum, penggunaan kamera dengan pendukungnya yang didesain khususuntuk coated fuel particles agar pengaruh radiasi gamma seminimal mungkin serta dilengkapimekanisme penempatan sampel, gamma spektrometer dengan mekanisme penempatan khususcoated fuel particles di depan kolimator. Terkait lisensi, alat uji ketahanan fuel compacts (simulasikecelakaan) seperti CCCTF atau KÜFA memerlukan hot cell khusus yang dapat dibangun dibasement gedung IRM. Observasi terhadap distribusi produk fisi pada penampang lintang coatedfuel particles dapat dilakukan dengan SEM dan EPMA, yang dirancang khusus untuk materialteriradiasi. Energi dispersif spektroskopi sinar-x atau panjang gelombang dispersif spektroskopisinar-x untuk analisis unsur.Kata kunci: RDE, bahan bakar nuklir pebble bed, uji pasca iradiasi, Instalasi Radiometalurgi.ABSTRACTIn order to meet the development program of the Experimental Power Reactor (RDE-HTGR) fuelfabrication, it is deemed necessary to conduct a review of the post irradiation examination atRadiometalurgy Installation (RMI). The results of this review are expected to be a suggention formanagement 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 anddisassembly in hot cells, handling of coated fuel particles in a hot cell with a vacuum system, useof the camera with its supporters specially designed for coated fuel particles to minimize theeffect of gamma radiation as well as equipped with sample placement mechanism, gammaspectrometer 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 KÜFArequired specic hot cells that can be built in the basement of the IRM building. Observations onthe distribution of fission products at cross sectional coated fuel particles can be done with SEMand EPMA, specifically designed for irradiated materials. X-ray dispersive energy spectroscopy orwavelength dispersive x-ray spectroscopy for elemental analysis.Keywords: Experimental Power Reactor, pebble bed fuel, post irradiatioan examination,Radiometallurgy Installation