1972
DOI: 10.1252/jcej.5.273
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The Capacitance Effect on the Transfer of Gas or Heat Between a Bubble and the Continuous Phase in a Gas-Solid Fluidized Bed

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Cited by 17 publications
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“…Thus, with the integration of our high-temperature data with other results-at room temperature-in the literature (Hartman et al, 2001;Toei et al, 1972), Figure 6, the following empirical correlation between φ and U mf is obtained: mf is obtained: (15) to calculate φ in a predictive mode leads to heat transfer coeffi cients within ±50%, see Figure 7 (a). These data were also used to evaluate the models proposed by Toei et al (1972) and Kunii and Levenspiel (1991); comparisons are shown in Figures 7 (b) and (c). For these calculations, the particle volume fraction in the bubble, γ P.B , was chosen as 0.001 (at the lower end of the suggested range 0.001 < γ P.B < 0.01).…”
Section: Resultssupporting
confidence: 59%
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“…Thus, with the integration of our high-temperature data with other results-at room temperature-in the literature (Hartman et al, 2001;Toei et al, 1972), Figure 6, the following empirical correlation between φ and U mf is obtained: mf is obtained: (15) to calculate φ in a predictive mode leads to heat transfer coeffi cients within ±50%, see Figure 7 (a). These data were also used to evaluate the models proposed by Toei et al (1972) and Kunii and Levenspiel (1991); comparisons are shown in Figures 7 (b) and (c). For these calculations, the particle volume fraction in the bubble, γ P.B , was chosen as 0.001 (at the lower end of the suggested range 0.001 < γ P.B < 0.01).…”
Section: Resultssupporting
confidence: 59%
“…For these calculations, the particle volume fraction in the bubble, γ P.B , was chosen as 0.001 (at the lower end of the suggested range 0.001 < γ P.B < 0.01). Calculations showed that the model by Toei et al (1972) underestimates the heat transfer coeffi cient at the room temperature, but overestimates the heat transfer coeffi cient at the high temperature. Kunii and Levenspiel's (1991) model appears to be satisfactory at room temperature; however, it overestimates the heat transfer coeffi cient at higher temperatures.…”
Section: Resultsmentioning
confidence: 99%