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Cited by 24 publications
(10 citation statements)
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“…However, the gas holdup increases slightly with the liquid velocity for the 2-mm particle system and an opposite trend is observed for the 3-mm particle system. The bed expansion behavior or the solids holdup in three-phase fluidized beds have been extensively studied under ambient conditions (Massimilla et al, 1959;Stewart and Davidson, 1964;Michelsen and Ostergaard, 1970;Bhatia and Epstein, 1974;El-Temtamy and Epstein, 1979). Generally, the solids holdup is more sensitive to the liquid flow rate than to the gas flow rate; the bed always expands with an increase in liquid velocity, independent of the prop-Solids Holdup.…”
Section: Ity Bymentioning
confidence: 99%
“…However, the gas holdup increases slightly with the liquid velocity for the 2-mm particle system and an opposite trend is observed for the 3-mm particle system. The bed expansion behavior or the solids holdup in three-phase fluidized beds have been extensively studied under ambient conditions (Massimilla et al, 1959;Stewart and Davidson, 1964;Michelsen and Ostergaard, 1970;Bhatia and Epstein, 1974;El-Temtamy and Epstein, 1979). Generally, the solids holdup is more sensitive to the liquid flow rate than to the gas flow rate; the bed always expands with an increase in liquid velocity, independent of the prop-Solids Holdup.…”
Section: Ity Bymentioning
confidence: 99%
“…The entrainment of the liquid and particles by the bubble wake reduces the effective amount of liquid in the bed used to fluidize the remaining particles. The bed contraction phenomenon has been extensively studied under ambient fluidization conditions (Massimilla et al, 1959;Ostergaard, 1964;El-Temtamy and Epstein, 1979). At high pressures, such a phenomenon has also been observed to occur (Jiang et al, 1997).…”
Section: Moving Packed Bed Phenomenonmentioning
confidence: 99%
“…The criterion for bed contraction or expansion in a gasliquid-solid fluidized bed system derived by El-Temtamy and Epstein (1979) has been widely utilized to quantify the bed contraction or expansion phenomena of the system since its publication. The criterion was developed based on the generalized wake model of Bhatia and Epstein (1974).…”
Section: Bed Contraction Criterion For Three Phase Fluidizationmentioning
confidence: 99%
“…The criterion was developed based on the generalized wake model of Bhatia and Epstein (1974). In our recent efforts on the development of a more general wake model taking into account solids exchange due to the wake shedding, we have noted that the mathematical expression for the criterion of El-Temtamy and Epstein (1979) .was in error. Referring to Equations (3), (6), (7), and (9) of their paper, the corrected equations, denoted as Equations (3a), (6a), (7a), and (9a) respectively, with the same nomenclature should be:…”
Section: Bed Contraction Criterion For Three Phase Fluidizationmentioning
confidence: 99%
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