Recent progress in two phase gas—liquid mass transfer in packed beds

Flow patterns and some holdup experimental data in trickle‐bed reactors for foaming, nonfoaming, and viscous organic liquids

“…In two-phase flow, the representative liquid holdup data are presented in Figure 3 for two constant liquid flow rates, L = 1 and 9 kg/m2.s. As already obtained by Charpentier et al (1975Charpentier et al ( , 1976, the liquid holdup decreases when liquid and gas flow rates increase. For L = 1 kg/m2.s, data are representative of those of pilot plant reactors, the flow pattern stays a trickling flow in the presence of a continuous gas phase, and the gas-liquid interaction is small leading to a not too important decrease of fine.…”

Flow patterns and some holdup experimental data in trickle‐bed reactors for foaming, nonfoaming, and viscous organic liquids

“…In two-phase flow, the representative liquid holdup data are presented in Figure 3 for two constant liquid flow rates, L = 1 and 9 kg/m2.s. As already obtained by Charpentier et al (1975Charpentier et al ( , 1976, the liquid holdup decreases when liquid and gas flow rates increase. For L = 1 kg/m2.s, data are representative of those of pilot plant reactors, the flow pattern stays a trickling flow in the presence of a continuous gas phase, and the gas-liquid interaction is small leading to a not too important decrease of fine.…”

Experimental Studies on Hydrodynamics Characteristics of Co-current Three Phase Fluidization Using Different Sizes of Glass Beads and its Prediction by Fuzzy Logic

“…The results indicate that the expanded bed voidage depends on phase velocities, properties of solids and the other two phases [5][6][7]. As the gas phase Modified Reynolds number increases the bed voidage increases; the increase is high at low Modified Reynolds number, whereas it is less at higher Modified Reynolds numbers as shown in the figures.…”

Advances in process intensification through multifunctional reactor engineering.

“…Tosun (1984) does not offer an explanation for this discrepancy but instead concludes that the flow map of Talmor (1977) is unreliable. Instead, Tosun (1984) supports the flow map of Charpentier (1976) which does not account for the bed void fraction or particle size. As stated previously, comparisons of the experimental data in this study must be made to flow map that accounts for variations in D/d, such as the flow map of Talmor (1977).…”

Flow patterns and some holdup experimental data in trickle‐bed reactors for foaming, nonfoaming, and viscous organic liquids

“…In two-phase flow, the representative liquid holdup data are presented in Figure 3 for two constant liquid flow rates, L = 1 and 9 kg/m2.s. As already obtained by Charpentier et al (1975Charpentier et al ( , 1976, the liquid holdup decreases when liquid and gas flow rates increase. For L = 1 kg/m2.s, data are representative of those of pilot plant reactors, the flow pattern stays a trickling flow in the presence of a continuous gas phase, and the gas-liquid interaction is small leading to a not too important decrease of fine.…”

Experimental Studies on Hydrodynamics Characteristics of Co-current Three Phase Fluidization Using Different Sizes of Glass Beads and its Prediction by Fuzzy Logic

“…The results indicate that the expanded bed voidage depends on phase velocities, properties of solids and the other two phases [5][6][7]. As the gas phase Modified Reynolds number increases the bed voidage increases; the increase is high at low Modified Reynolds number, whereas it is less at higher Modified Reynolds numbers as shown in the figures.…”

Advances in process intensification through multifunctional reactor engineering.

“…Tosun (1984) does not offer an explanation for this discrepancy but instead concludes that the flow map of Talmor (1977) is unreliable. Instead, Tosun (1984) supports the flow map of Charpentier (1976) which does not account for the bed void fraction or particle size. As stated previously, comparisons of the experimental data in this study must be made to flow map that accounts for variations in D/d, such as the flow map of Talmor (1977).…”

Flow patterns and some holdup experimental data in trickle‐bed reactors for foaming, nonfoaming, and viscous organic liquids

“…In two-phase flow, the representative liquid holdup data are presented in Figure 3 for two constant liquid flow rates, L = 1 and 9 kg/m2.s. As already obtained by Charpentier et al (1975Charpentier et al ( , 1976, the liquid holdup decreases when liquid and gas flow rates increase. For L = 1 kg/m2.s, data are representative of those of pilot plant reactors, the flow pattern stays a trickling flow in the presence of a continuous gas phase, and the gas-liquid interaction is small leading to a not too important decrease of fine.…”

Experimental Studies on Hydrodynamics Characteristics of Co-current Three Phase Fluidization Using Different Sizes of Glass Beads and its Prediction by Fuzzy Logic

“…The results indicate that the expanded bed voidage depends on phase velocities, properties of solids and the other two phases [5][6][7]. As the gas phase Modified Reynolds number increases the bed voidage increases; the increase is high at low Modified Reynolds number, whereas it is less at higher Modified Reynolds numbers as shown in the figures.…”

Advances in process intensification through multifunctional reactor engineering.

“…Tosun (1984) does not offer an explanation for this discrepancy but instead concludes that the flow map of Talmor (1977) is unreliable. Instead, Tosun (1984) supports the flow map of Charpentier (1976) which does not account for the bed void fraction or particle size. As stated previously, comparisons of the experimental data in this study must be made to flow map that accounts for variations in D/d, such as the flow map of Talmor (1977).…”