Flow of spheres and near spheres in cylindrical vessels, Part II - pebble transit in recirculated random packings.

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dc.contributor.authorGatt, FCen_AU
dc.date.accessioned2007-11-22T04:21:34Zen_AU
dc.date.accessioned2010-04-30T04:34:18Zen_AU
dc.date.available2007-11-22T04:21:34Zen_AU
dc.date.available2010-04-30T04:34:18Zen_AU
dc.date.issued1970-06en_AU
dc.description.abstractAn experimental and statistical investigation has been made of the transit of individual pebbles in recirculated random packings of equal spherical pebbles. Slightly aspherical pebbles were also studied Pebbles of 1.00 inch or 0.75 inch nominal diameter were used to form 30 inch deep beds in a 30 inch diameter vessel with a concave base in the form of a cone with 25 degree slope, the pebbles flowed downwards under the influence of gravity. The independent variables whose effects were studied were the radial position of the pebble, the number of pebbles in the bed situated beneath the seeding position, the pebble size and sphericity, and the amount of recirculation. Both transient and equilibrium conditions were considered. An estimate was made of the mean amount of recirculation required to reach equilibrium from an initially random packing. For spherical pebbles this was approximately 1.6 times the number of pebbles in the bed, and for aspherical pebbles it was 2,8 times the number, formulae are given for predicting the amount of recirculation required for a particular pebble to emerge from the bed.en_AU
dc.identifier.citationGatt, F. C. (1970). Flow of spheres and near spheres in cylindrical vessels. part 2: pebble transit in recirculated random packing (AAEC/E207). Lucas Heights, NSW: Research Establishment, Australian Atomic Energy Commission.en_AU
dc.identifier.govdoc447en_AU
dc.identifier.otherAAEC-E-207en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/395en_AU
dc.language.isoen_auen_AU
dc.publisherAustralian Atomic Energy Commissionen_AU
dc.subjectSpheresen_AU
dc.subjectCylindrical configurationen_AU
dc.subjectPackingsen_AU
dc.subjectContainersen_AU
dc.titleFlow of spheres and near spheres in cylindrical vessels, Part II - pebble transit in recirculated random packings.en_AU
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