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Neutronic Effect of Utilizing TRIZO Particles on Core Characteristics of Experimental Power Reactor (Zuhaira), R.A.P. Dwijayanto, H. Adrial, Suwoto, T. Setiadipura

Zuhair, Z and R. Andika Putra Wijayanto, AP and Hery Adrial, HA and Suwoto, AW and Topan Setiadiapura, TS (2019) Neutronic Effect of Utilizing TRIZO Particles on Core Characteristics of Experimental Power Reactor (Zuhaira), R.A.P. Dwijayanto, H. Adrial, Suwoto, T. Setiadipura. In: ICONets 2019 Universitas Andalas Padang Sumatera Barat, 18 September 2019, Universitas ANDALAS Fakultas Teknik Padang Sumatera Barat.

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Abstract

Abstract. Based on its superior characteristics and to provide core outlet temperature no less than 1000 °C for thermochemical hydrogen production, ZrC becomes a promising candidate to replace SiC coating layer of TRISO coated fuel particles. This paper aimed to study the neutronic effect of utilizing TRIZO coated fuel particles on core characteristics of experimental power reactor. A series of calculations were performed with MCNP6 code and ENDF/BVII library. The calculation results show that replacement of SiC with ZrC will result in slightly decreased value in effective multiplication reactor (keff), slightly increased value in control rod worth and shutdown margin reactivity, and somewhat more negative value in temperature coefficient of reactivity. The effective delayed neutron fraction (βeff) in ZrC core presents lower values than in SiC core which cause a reduction in the ability to control the reactor. However, the reduced controllability via the lower βeff of ZrC core can be compensated by its favourable temperature coefficient and shutdown margin reactivity. These results conclude that replacing SiC with ZrC particles into experimental power reactor would have considerable impact and benefit from the viewpoint of reactor operational safety. Keywords: TRIZO, core characteristics, experimental power reactor, MCNP6, ENDF/B-VII

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: 07 Aug 2020 03:25
Last Modified: 07 Aug 2020 03:25
URI: http://repo-nkm.batan.go.id/id/eprint/9986

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