1988
DOI: 10.1016/0032-5910(88)80054-8
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Motion of solids, jetting and bubbling dynamics in a large jetting fluidized bed

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Cited by 10 publications
(6 citation statements)
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“…In this study, only the spout has bubble formation frequencies near 5−8 Hz. The bubble frequency measured by Ettehadieh et al in the upper portion of an 8-m-high, 3-m-diameter jetting fluidized bed was in the range 0−1 Hz, which is near the bubble frequency in the jet flow pattern of the present work. The lower bubble frequency measured in this study and in Ettehadieh's work 17 can be attributed to the dominant effect of the larger bed diameter and larger nozzle diameter.…”
Section: Resultssupporting
confidence: 67%
See 1 more Smart Citation
“…In this study, only the spout has bubble formation frequencies near 5−8 Hz. The bubble frequency measured by Ettehadieh et al in the upper portion of an 8-m-high, 3-m-diameter jetting fluidized bed was in the range 0−1 Hz, which is near the bubble frequency in the jet flow pattern of the present work. The lower bubble frequency measured in this study and in Ettehadieh's work 17 can be attributed to the dominant effect of the larger bed diameter and larger nozzle diameter.…”
Section: Resultssupporting
confidence: 67%
“…The bubble frequency measured by Ettehadieh et al 17 in the upper portion of an 8-m-high, 3-m-diameter jetting fluidized bed was in the range 0-1 Hz, which is near the bubble frequency in the jet flow pattern of the present work. The lower bubble frequency measured in this study and in Ettehadieh's work 17 can be attributed to the dominant effect of the larger bed diameter and larger nozzle diameter. As discussed above, higher jet gas velocities and lower static bed heights often cause spouts, short circuiting much of the reaction gas and steam.…”
Section: Effect Of Jet Gas Velocity and Static Bedsupporting
confidence: 66%
“…The jet formation frequency in a large jetting fluidized bed with a Ž . single nozzle was reported by Ettehadieh et al 1988 and Ž . Guo et al 1999 to be much smaller than the 5᎐8 Hz mea-Ž .…”
Section: Experimental Apparatusmentioning
confidence: 87%
“…Jetting has been studied extensively in the gas-solid fluidized bed literature; see for example Yang and Keairns [1] , Ettehadieh et al [2], Guo et al [3,4], Chen et al [5], or Muller et al [6]. However, most of the studies focused on jetting produced by using a central vertical nozzle or focused on jetting produced by a horizontal nozzle penetrating a lightly fluidized bed.…”
Section: Introductionmentioning
confidence: 99%