CFD simulation of air-steam flow with condensation

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F46356088%3A_____%2F14%3A%230001541" target="_blank" >RIV/46356088:_____/14:#0001541 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1016/j.nucengdes.2014.02.014" target="_blank" >http://dx.doi.org/10.1016/j.nucengdes.2014.02.014</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.nucengdes.2014.02.014" target="_blank" >10.1016/j.nucengdes.2014.02.014</a>

Result language
angličtina
Original language name
CFD simulation of air-steam flow with condensation
Original language description
This article presents a custom condensation model for commercial CFD code Fluent. The condensation model was developed for the species transport model in Fluent code and it is suitable for both compressible and incompressible flow of air-steam mixture with additional non-condensable gases. The condensation model consists of two parts: condensation in volume and condensation on the wall. Condensation in volume is modeled by "return to saturation in constant time scale" method. Condensation on the wall iscalculated from diffusion of steam through a layer of non-condensable gases near the wall. The performance of the condensation model was tested on the CONAN experiments. In these experiments, air-steam mixture flows downwards through a vertical channelwith square cross section. One vertical wall of the channel is cooled and the steam condenses on it. The same model was then applied in simulation of PANDA Test 9bis experiment with condensation. In this test, two vessels connected with a
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
JF - Nuclear energy
OECD FORD branch
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Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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