Three dimensional analysis of turbulent steam jets in enclosed structures : a CFD approach.

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This paper compares the three-dimensional numerical simulation with the experimental data of a steam blowdown event in a light water reactor containment building. The temperature and pressure data of a steam blowdown event was measured at the Purdue University Multi-Dimensional Integrated Test Assembly (PUMA), a scaled model of the General Electric simplified Boiling Water Reactor. A three step approach was used to analyze the steam jet behavior. First, a 1-Dimensional, system level RELAP5/Mod3.2 model of the steam blowdown event was created and the results used to set the initial conditions for the PUMA blowdown experiments. Second, 2-Dimensional CFD models of ... continued below

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11 p.

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Ishii, M. & NguyenLe, Q. April 20, 1999.

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Description

This paper compares the three-dimensional numerical simulation with the experimental data of a steam blowdown event in a light water reactor containment building. The temperature and pressure data of a steam blowdown event was measured at the Purdue University Multi-Dimensional Integrated Test Assembly (PUMA), a scaled model of the General Electric simplified Boiling Water Reactor. A three step approach was used to analyze the steam jet behavior. First, a 1-Dimensional, system level RELAP5/Mod3.2 model of the steam blowdown event was created and the results used to set the initial conditions for the PUMA blowdown experiments. Second, 2-Dimensional CFD models of the discharged steam jets were computed using PHOENICS, a commercially available CFD package. Finally, 3-Dimensional model of the PUMA drywell was created with the boundary conditions based on experimental measurements. The results of the 1-D and 2-D models were reported in the previous meeting. This paper discusses in detail the formulation and the results of the 3-Dimensional PHOENICS model of the PUMA drywell. It is found that the 3-D CFD solutions compared extremely well with the measured data.

Physical Description

11 p.

Notes

INIS; OSTI as DE00011762

Medium: P; Size: 11 pages

Source

  • 1999 ASME Pressure Vessel and Piping Conference, Boston, MA (US), 08/01/1999--08/05/1999

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  • Report No.: ANL/RA/CP-98801
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 11762
  • Archival Resource Key: ark:/67531/metadc625009

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  • April 20, 1999

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 6, 2017, 7:47 p.m.

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Ishii, M. & NguyenLe, Q. Three dimensional analysis of turbulent steam jets in enclosed structures : a CFD approach., article, April 20, 1999; Illinois. (digital.library.unt.edu/ark:/67531/metadc625009/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.