Journal of Nuclear Energy Science & Power Generation TechnologyISSN: 2325-9809

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Research Article, J Nucl Ene Sci Power Generat Technol Vol: 5 Issue: 4

Implication of Removal of Cadmium Poison on Neutron Flux and Related Parameters in Nigeria Research Reactor - 1

Anas MS1*, Ahmed YA2, Yusuf JA2 and Yahaya B3
1CAAS Mando, Division of Agricultural Colleges, Ahmadu Bello University, Zaria, Nigeria
2Centre for Energy Research and Training, Ahmadu Bello University, Zaria, Nigeria
3Physics Department, Ahmadu Bello University, Zaria, Nigeria
Corresponding author : MS Anas
CAAS Mando, Division of Agricultural Colleges, Ahmadu Bello University, Zaria, Nigeria
Tel: +234 8062883863
E-mail: [email protected]
Received: March 26, 2016 Accepted: May 31, 2016 Published: June 04, 2016
Citation: Anas MS, Ahmed YA, Yusuf JA, Yahaya B (2016) Implication of Removal of Cadmium Poison on Neutron Flux and Related Parameters in Nigeria Research Reactor - 1. J Nucl Ene Sci Power Generat Technol 5:4. doi:10.4172/2325-9809.1000156

Abstract

Nigeria’s Miniature Neutron Source Reactor (MNSR) has been in function since 2004. Over the ten years of operation, several installation and calculation were made on Nigeria research reactor-1 for the safety under project supply agreements and IAEA member state. In this work, we show the implication of removal of cadmium poison on neutron flux and related parameter by using lattice code WIMS and core analysis code CITATION, to automatically carry out each of the following calculations on MNSRs: core excess reactivity, verification of some safety criteria, and calculating various temperature coefficients of reactivity. Results obtained before, after and after removal of cadmium poison are: excess core reactivity (3.72, 2.96 and 2.92) mk, fuel temperature coefficient reactivity (-0.0018, -0.0054 and -0.0060) mk/°C, power coefficient of reactivity (-0.2527, -0.1260 and 0.0575) mk/kW and predicted power of (15.23, 14.65 and 14.99) kW with coolant temperature (12.43, 12.10 and 12.50) °C respectively. The result will not only boost the sample handling capabilities of NIRR-1 but will also provide useful data to the MNSR community for upgrading their reactors and specifically ageing management.

Keywords: Fuel temperature coefficient reactivity; Power coefficient of reactivity; WIMS and CITATION

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