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Published: 2018-03-30
Abstract Views: 127
Views PDF: 179
DOI: https://doi.org/10.53747/jnst.v8i1.78
Issue
Vol. 8 No. 1 (2018)
Section
Articles
How to Cite
Ho, N. T. V., Le, V. V. ., Nguyen , N. D., Nguyen, K. C., Huynh, T. N., Tran, Q. D. ., & Nguyen, T. V. (2018). Thermal-hydraulics analysis for VVR-KN fuel lead test using PLTEMP code. Nuclear Science and Technology, 8(1), 10-16. https://doi.org/10.53747/jnst.v8i1.78

Thermal-hydraulics analysis for VVR-KN fuel lead test using PLTEMP code

Ho Nguyen Thanh Vinh1, Le Vinh Vinh 1, Nguyen Nhi Dien1, Nguyen Kien Cuong1, Huynh Ton Nghiem1, Tran Quoc Duong 1, Nguyen Tien Vu1
1 Nuclear Research Institute, 01 Nguyen Tu Luc Street, Dalat, Vietnam

Main Article Content

Abstract

VVR-KN is one of the low-enriched fuel types to be considered for a new research reactor (RR) of a Centre for Nuclear Energy Science and Technology (CNEST) of Vietnam. This fuel type was qualified by a lead test carried out with three fuel assemblies (FAs) in 6-MWt WWR-K research reactor at the Institute of Nuclear Physics, Kazakhstan. VVR-KN fuel was then used for conversion of the WWR-K reactor core from highly-enriched to low-enriched uranium fuel and the reactor was successfully commissioned in September 2016. PLTEMP is a thermal-hydraulic code with plate and coaxial tube models that seems to be suitable for VVR-KN fuel type. Before using PLTEMP code for thermal-hydraulics analysis of the new RR, a calculation for code validation was performed based on the data of the VVR-KN fuel lead test. First, MCNP5 code was used to calculate the power distribution of WWR-K reactor core with lead test fuel assemblies (LTAs) at the core center. Then, thermal-hydraulics parameters of the LTAs were obtained by using PLTEMP code together with calculated data of the power distribution and the lead test conditions. A comparison between the analytic results and the lead test data was made to confirm the suitability of PLTEMP code for thermal-hydraulics analysis of VVR-KN fuel under forced convection and downward flow conditions.

Article Details

Keywords

VVR-KN fuel type, MCNP5, PLTEMP, WWR-K reactor, VVR-KN fuel lead test

References

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