A three-dimensional numerical simulation of the loss-of-feed water transient at the horizontal steam generator of the Kola nuclear power plant is performed. Presented numerical results show transient change of integral steam generator parameters, such as steam generation rate, water mass inventory, outlet reactor coolant temperature, as well as detailed distribution of shell side thermal-hydraulic parameters: swell and collapsed levels, void fraction distributions, mass flux vectors, etc. Numerical results are compared with measurements at the Kola NPP. The agreement is satisfactory, while differences are close to or below the measurement uncertainties. Obtained numerical results are the first ones that give complete insight into the three-dimensional and transient horizontal steam generator thermal-hydraulics. Also, the presented results serve as benchmark tests for the assessment and further improvement of one-dimensional models of horizontal steam generator built with safety codes.
- Nuclear Engineering Division
Numerical Simulation and Analyses of the Loss of Feedwater Transient at the Unit 4 of Kola NPP
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Stevanovic, VD, Stosic, ZV, Kiera, M, & Stoll, U. "Numerical Simulation and Analyses of the Loss of Feedwater Transient at the Unit 4 of Kola NPP." Proceedings of the 10th International Conference on Nuclear Engineering. 10th International Conference on Nuclear Engineering, Volume 3. Arlington, Virginia, USA. April 14–18, 2002. pp. 781-792. ASME. https://doi.org/10.1115/ICONE10-22452
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