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Thermal-Hydraulic Benchmarking of RSG-GAS Research Reactor Using RELAP5 (Endiah Puji Hastuti1,a), Andy Sofrani Ekariansyah1,b), Sudarmono1,c), Sujarwono2,d), Saensuk Wetchagarun3,e)

Endiah Puji Hastuti, EPH and Andi Sofrany Ekariansyah, ASE and Sudarmono, Sudarmono and Sujarwono, Sujarwono and Saensuk. W, SW (2019) Thermal-Hydraulic Benchmarking of RSG-GAS Research Reactor Using RELAP5 (Endiah Puji Hastuti1,a), Andy Sofrani Ekariansyah1,b), Sudarmono1,c), Sujarwono2,d), Saensuk Wetchagarun3,e). In: ICONets 2019 Universitas Andalas Padang Sumatera Barat, 18 September 2019, Universitas ANDALAS Fakultas Teknik Padang Sumatera Barat.

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Abstract

Abstract. RSG-GAS multipurpose reactor was designed to be able to operate with 30 MW power. In order to obtain operation license renewal from Indonesia Nuclear Regulatory Body-BAPETEN, it is required that evaluation or assessment on any systems related RSG-GAS full power operation should be performed. This research has two objectives. The first is to re-evaluate overall RSG-GAS system capability, the second objective is to benchmark RELAP5 model for RSG-GAS based on the input obtained from the experiment results. The results of the experiment on the raising of RSG-GAS power to its full power of 30 MW and power calibration by calorimetric indicate that there is a significant difference between definitive power and measured power, caused by the determination of correction factor. The RELAP5 modeling for RSG-GAS using experimental data input indicates a deviation of 1.77 % to 8.73 % for temperature calculation, while the deviation is 5.6% - 7.66% for flow rate. These figures indicate that this modeling for RSG-GAS is valid. The highest fuel temperature at steady state condition at 30 MW is 87.12°C. The highest temperature limit at the beginning of the cycle is 175°C, which is still in the permitted envelope. It was shown that RSG-GAS could operate at its full power of 30 MW. Key words: RSG-GAS, RELAP5, periodic safety review, benchmarking , thermal-hydraulic

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/9935

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