Flow of spheres and near spheres in cylindrical vessels, Part IV - individual flow paths in recirculated random packings.

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dc.contributor.authorGatt, FCen_AU
dc.date.accessioned2007-11-22T04:22:57Zen_AU
dc.date.accessioned2010-04-30T04:34:51Zen_AU
dc.date.available2007-11-22T04:22:57Zen_AU
dc.date.available2010-04-30T04:34:51Zen_AU
dc.date.issued1973-12en_AU
dc.description.abstractAn experimental investigation was made of the transit of individual pebbles in recirculated random packings of equal spherical or aspherical pebbles. Pebbles of 1.0 inch or 0.75 inch nominal diameter and 3.0 or 3.4 specific gravity are used to form beds in a 30 inch diameter vessel with a concave base and single axial outlet. The pebbles flow downwards under the influence of gravity through a rotating extractor in the base. A radio-actively tagged pebble is inserted at the top of the bed and as it descends with the pebble packing its position is detected and recorded at intervals using a tracking device. In this way tracks and velocities of pebbles seeded in the bed for various combinations of seeding radius, bed and pebble parameters are determined, and are found to be generally of 'streamline' form. The extractor rotation has very little effect on the motion of the pebbles in the bed. Using the tracks of tagged pebbles, patterns and effects of flow zones are deduced. Transit numbers of tagged pebbles are found to be in good agreement with the results of similar experiments recorded in Part III of this report series.en_AU
dc.identifier.citationGatt, F. C. (1973). Flow of spheres and near spheres in cylindrical vessels. part iv. individual flow paths in recirculated random packings (AAEC/E273). Lucas Heights, NSW: Research Establishment, Australian Atomic Energy Commission.en_AU
dc.identifier.govdoc477en_AU
dc.identifier.isbn64299613Xen_AU
dc.identifier.otherAAEC-E-273en_AU
dc.identifier.placeofpublicationLucas Heights, New South Walesen_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/467en_AU
dc.language.isoen_auen_AU
dc.publisherAustralian Atomic Energy Commissionen_AU
dc.subjectCylindersen_AU
dc.subjectFuel assembliesen_AU
dc.subjectFuel elementsen_AU
dc.subjectPebble bed reactorsen_AU
dc.subjectReactor fuelingen_AU
dc.subjectSpheresen_AU
dc.titleFlow of spheres and near spheres in cylindrical vessels, Part IV - individual flow paths in recirculated random packings.en_AU
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