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Structural Analysis on the Hot Plenum Design of Experimental Power Reactor (Farisy Yogatama Sulistyo1,a, Roziq Himawan2, Ari Nugroho3, Syaiful Bakhri1, SriSudadiyo1)

Farisy yogatama, SB and Roziq Himawan, rh and Ari Nugroho, SB and Syaiful Bakhri, SB and Sri Sudadiyo, SS (2019) Structural Analysis on the Hot Plenum Design of Experimental Power Reactor (Farisy Yogatama Sulistyo1,a, Roziq Himawan2, Ari Nugroho3, Syaiful Bakhri1, SriSudadiyo1). In: ICONets 2019 Universitas Andalas Padang Sumatera Barat, 18 September 2019, Universitas ANDALAS Fakultas Teknik Padang Sumatera Barat.

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Abstract

Abstract. The bottom reflector plays an important role in the internal core structure of Experimental Power Reactor (RDE). However, it must be able to bear the load either the pebbles that is situated inside the core reactor and from its self-load. The Bottom reflector has column to distribute helium gas from small hole in the cone shaped to through the larger hole in the hot gas chamber. This column, known as hot plenum, is a simple column that consist of circular graphite block. However, this type of structure is vulnerable to collapse. Therefore, this paper will simulate the strength of the bottom reflector based on height of the graphite block that corresponds to the load and analyse Factor of Safety (FOS) to predict the bottom reflector safety. The higher FOS value mean the design is safe. This simulation employs finite elements method under the SolidWork software. The models of hot plenum are named H.250mm, H.200mm, H.150mm, H.100mm and H.50mm, which resulting the minimum FOS of 40.782, 40.891, 41.374, 42.257, 43.394, respectively. Based on calculation among these results, model H.50mm has the maximum value of FOS. This result will be benefit for Experimental Power Reactor design criteria of failure, the design brittle fracture behavior, and the design material selection. Keywords: internal ceramics, factor of safety, brittle material, structural stress, hot plenum HTGR

Item Type: Conference or Workshop Item (Paper)
Subjects: Keselamatan dan Keamanan Nuklir
Divisions: Pusat Teknologi dan Keselamatan Reaktor Nuklir
Depositing User: USER PTKRN BATAN
Date Deposited: 04 Aug 2020 08:04
Last Modified: 04 Aug 2020 08:04
URI: http://repo-nkm.batan.go.id/id/eprint/9936

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