An Assessment of Steam-Explosion-Induced Containment Failure. Part II: Premixing Limits
- 1 December 1987
- journal article
- research article
- Published by Taylor & Francis in Nuclear Science and Engineering
- Vol. 97 (4) , 282-295
- https://doi.org/10.13182/nse87-a23513
Abstract
The issues of transient and two-dimensional effects on fuel-coolant mixing in the lower plenum of a pressurized water reactor are addressed and resolved. Strong coolant depletion phenomena within fuel regions are analytically demonstrated. Quantification of premixtures under a variety of contact modes and conditions is used to specify the probable ranges of fuel mass available to participate in an explosion as a function of the core failure (melt pour) area.Keywords
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