|1Avramenko, AA, 1Kondratieva, EA, 1Kovetskaya, MM, 1Tyrinov, AI, 1Vasilchenko, VV |
1Institute of Engineering Thermophysics of the NAS of Ukraine, Kyiv
|Dopov. Nac. akad. nauk Ukr. 2014, 10:76-81|
|Section: Heat Physics|
Based on the RNG $k$-$\varepsilon$ turbulence model, computer simulations are performed. Their results include distributions of the hydrodynamical and heat transfer parameters for a supercritical water flow in the seven-rod fuel assembly. The simulations were performed under steady state conditions at uniform and non-uniform heating of the channel walls, which enabled us to reveal effects of the heating on the distribution of the coolant properties. It is shown that the non-uniform heating an causes azimuthal non-uniformity of the heat transfer coefficient.
|Keywords: fuel assembly channel, heating, supercritical parameters|
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