Title: Some Remarks on Channeling in Particle Beds
Authors: SCHWALM Dankwart
Publisher: European Commission
Publication Year: 1985
JRC Publication N°: JRC4048
Other Identifiers: EUR 10005 EN
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC4048
Type: EUR - Scientific and Technical Research Reports
Abstract: EXPERIMENTAL RESULTS OF IN-PILE AND OUT-OF-PILE TESTS WITH LIQUID SATURATED PARTICLE BEDS AND THEORETICAL MODELS ON CHANNEL FORMATION ARE REVIEWED. AN EXTENSION OF LIPINSKIS MODEL IS PROPOSED ON THE BASIS OF A CONCEPT OF STICKING FORCES BETWEEN THE SOLID PARTICLES. THE INFLUENCE OF VAPOUR CHANNELS ON THE INCEPTION OF DRYOUT IS MODELLED BY AN INCREASED PERMEABILITY IN THE CHANNELED LAYER OF THE PARTICLE BED. AS A RESULT IT FOLLOWS THAT IN CONTRAST TO BED DISRUP- TIONS CHANNELS WILL NOT DRASTICALLY INCREASE THE COOLABILITY OF A DEBRIS BED.
JRC Institute:Joint Research Centre Historical Collection

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