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Numerical Simulation of Boiling Water Reactor Vent-Clearing Hydrodynamics

B. D. Nichols, C. W. Hirt

Nuclear Science and Engineering

Volume 73 / Number 2 / February 1980 / Pages 196-209


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Pressure suppression pools used in nuclear reactors are subject to hydrodynamic processes involving complicated free surface configurations. A new numerical method, SOLA-VOF, developed to handle such problems is described and evaluated through comparisons with laboratory test data. Results from numerous computations provide a detailed understanding of the hydrodynamic phenomena associated with boiling water reactor vent-clearing processes. In addition, calculations show the sensitivity of the results to variations in the water vapor content, vent submergence depth, vent orifice size, and to the influence of fluid-structure interactions.

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