Development of models for the two-dimensional, two-fluid code for sodium boiling NATOF-2D
Name
EL_TR_1981_030.pdf
Size
7.39 MB
Format
Adobe PDF
Checksum (MD5)
ac3ba33517a7f7ad31e17c2bc5acb90d
Author(s)
Zielinski, R. G.
Kazimi, Mujid S.
Date Issued
1981
Publisher
[Cambridge, Mass.] : Massachusetts Institute of Technology, Energy Laboratory, 1981
Series/Report no.
Energy Laboratory report (Massachusetts Institute of Technology. Energy Laboratory) no. MIT-EL 81-030.
Abstract
Several features were incorporated into NATOF-2D, a twodimensional, two fluid code developed at M.I.T. for the purpose of analysis of sodium boiling transients under LMFBR conditions. They include improved interfacial mass, momentum and energy exchange rate models, and a cell-to-cell radial heat conduction mechanism which was calibrated by simulation of Westinghouse Blanket Heat Transfer Test Program Runs 544 and 545. Finally, a direct method of pressure field solution was implemented into NATOF-2D, replacing the iterative technique previously available, and resulted in substantially reduced computational costs.
The models incorporated into NATOF-2D were tested by running the code to simulate the results of the THORS Bundle 6A Experiments performed at Oak Ridge National Laboratory, and four tests from the W-1 SLSF Experiment performed by the Hanford Engineering Development Laboratory. The results demonstrate the increased accuracy provided by the inclusion of these effects.
Subjects
Liquid metal fast breeder reactors
Two-phase flow
Sodium cooled reactors.
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