2015
DOI: 10.1080/00223131.2015.1043156
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Numerical simulations of gas–liquid–particle three-phase flows using a hybrid method

Abstract: For the analysis of debris behavior in core disruptive accidents of liquid metal fast reactors, a hybrid computational tool was developed using the discrete element method (DEM) for calculation of solid particle dynamics and a multi-fluid model of a reactor safety analysis code, SIMMER-III, to reasonably simulate transient behavior of three-phase flows of gas-liquid-particle mixtures. A coupling numerical algorithm was developed to combine the DEM and fluid-dynamic calculations, which are based on an explicit … Show more

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Cited by 10 publications
(4 citation statements)
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“…The prediction should be addressed computationally to simulate the dynamic behavior of debris beds as well as various influences of multi-phase flows on self-leveling processes. In this connection, we are developing a series of computational tools [27][28][29][30] based on the fast reactor safety analysis codes SIMMER-III [31] and SIMMER-IV [32]. The present experimental data on self-leveling processes and the empirical model are both used for the development and validation of physical models used by these computational tools.…”
Section: Discussion On Reactor Applicationmentioning
confidence: 99%
“…The prediction should be addressed computationally to simulate the dynamic behavior of debris beds as well as various influences of multi-phase flows on self-leveling processes. In this connection, we are developing a series of computational tools [27][28][29][30] based on the fast reactor safety analysis codes SIMMER-III [31] and SIMMER-IV [32]. The present experimental data on self-leveling processes and the empirical model are both used for the development and validation of physical models used by these computational tools.…”
Section: Discussion On Reactor Applicationmentioning
confidence: 99%
“…In the present study, we performed three-dimensional calculations for solid particle sedimentation and bed formation behaviors of mixed as well as homogeneous particles using the hybrid computational method, which combines DEM with the multi-fluid model of the SIMMER-IV code. A detained explanation of the method is given by Guo et al [28][29][30][31].…”
Section: Mathematical Treatmentmentioning
confidence: 99%
“…Guo et al [28][29][30][31] combined DEM with the multi-fluid model and developed a hybrid computational method based on the theoretical background introduced above. It is expected that this numerical method reproduces the particle behavior involved in the thermal-hydraulic phenomena reasonably.…”
Section: Introductionmentioning
confidence: 99%
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