Coupled one-dimensional and CFD models for the simulation of steam generators

Ville Hovi; Timo Pättikangas; Vesa Riikonen

doi:10.1016/j.nucengdes.2016.09.023

Coupled one-dimensional and CFD models for the simulation of steam generators

Ville Hovi (Corresponding Author), Timo Pättikangas (Corresponding Author), Vesa Riikonen (Corresponding Author)

BA3602 Process concepts and modelling

Research output: Contribution to journal › Article › Scientific › peer-review

3 Citations (Scopus)

Abstract

A computational procedure suitable for modeling both vertical and horizontal steam generators is presented. The procedure consists of a one-dimensional model for the whole steam generator and a CFD model for the secondary side. The three-dimensional two-phase CFD simulation of the secondary side utilizes the porous medium approximation and the mixture k-e turbulence model. One-way coupling between the models is used, in which the surface temperatures of the heat transfer tubes are considered as a boundary condition for the CFD simulation. A stationary state and two pressure transients, a pressure rise and a pressure reduction, for the PWR PACTEL steam generator are calculated and the internal circulation on the secondary side is analyzed. PWR PACTEL is a test facility, located at Lappeenranta University of technology, in Finland, which was constructed for research activities associated with the European Pressurized Reactor (EPR).

Original language	English
Pages (from-to)	93-111
Journal	Nuclear Engineering and Design
Volume	310
DOIs	https://doi.org/10.1016/j.nucengdes.2016.09.023
Publication status	Published - 2016
MoE publication type	A1 Journal article-refereed

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Hovi, V., Pättikangas, T., & Riikonen, V. (2016). Coupled one-dimensional and CFD models for the simulation of steam generators. Nuclear Engineering and Design, 310, 93-111. https://doi.org/10.1016/j.nucengdes.2016.09.023

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abstract = "A computational procedure suitable for modeling both vertical and horizontal steam generators is presented. The procedure consists of a one-dimensional model for the whole steam generator and a CFD model for the secondary side. The three-dimensional two-phase CFD simulation of the secondary side utilizes the porous medium approximation and the mixture k-e turbulence model. One-way coupling between the models is used, in which the surface temperatures of the heat transfer tubes are considered as a boundary condition for the CFD simulation. A stationary state and two pressure transients, a pressure rise and a pressure reduction, for the PWR PACTEL steam generator are calculated and the internal circulation on the secondary side is analyzed. PWR PACTEL is a test facility, located at Lappeenranta University of technology, in Finland, which was constructed for research activities associated with the European Pressurized Reactor (EPR).",

author = "Ville Hovi and Timo P{\"a}ttikangas and Vesa Riikonen",

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doi = "10.1016/j.nucengdes.2016.09.023",

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AU - Pättikangas, Timo

AU - Riikonen, Vesa

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AB - A computational procedure suitable for modeling both vertical and horizontal steam generators is presented. The procedure consists of a one-dimensional model for the whole steam generator and a CFD model for the secondary side. The three-dimensional two-phase CFD simulation of the secondary side utilizes the porous medium approximation and the mixture k-e turbulence model. One-way coupling between the models is used, in which the surface temperatures of the heat transfer tubes are considered as a boundary condition for the CFD simulation. A stationary state and two pressure transients, a pressure rise and a pressure reduction, for the PWR PACTEL steam generator are calculated and the internal circulation on the secondary side is analyzed. PWR PACTEL is a test facility, located at Lappeenranta University of technology, in Finland, which was constructed for research activities associated with the European Pressurized Reactor (EPR).

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