Abstract:
This paper simulates the Saxena experiment by the RELAP5 code, and the quench front velocity is overestimated during the simulation. Then this paper constitutes the narrow channel drift flux interfacial friction model based on the Momentum conservation equation and rectangular narrow channel drift flux velocity founded by Griffith. This model reflects the effects on the interfacial friction characteristics from the narrow geometry, so the quench front velocity can be estimated well, meanwhile one of the key factors for the quench front velocity during the narrow channel reflood has been found, which is also the important basis for developing the narrow channel reflood model.
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