Influence of Operating Pressure on Gas Holdup and Flow Regime Transition in a Bubble Column

Matsubara, Hiroaki; Naito, Kazuki; Kuwamoto, Hideharu; Sakaguchi, Toshiyuki

doi:10.1252/jcej.10we157

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Influence Of Scale and Liquid Velocity2

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2015

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Cited by 2 publications

(2 citation statements)

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“…As stated and shown above lower aspect ratios cause higher holdups. Anyhow Matsubara et al' (2010) results show a similar trend like the results obtained in the 0.16 and 0.33 m diameter column with a change in slope at about 0.04 m/s superficial gas velocity. This change indicates the beginning of flow regime transition as pointed out earlier (Fig.…”

Section: Influence Of Scale and Liquid Velocitysupporting

confidence: 86%

See 1 more Smart Citation

Experimental investigation of the influence of column scale, gas density and liquid properties on gas holdup in bubble columns

Rollbusch

Becker

Ludwig

et al. 2015

International Journal of Multiphase Flow

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Section: Influence Of Scale and Liquid Velocitysupporting

confidence: 86%

“…Almost an identical behavior is observed when nitrogen holdups in cumene are compared with measurements by Matsubara et al (2010), who examined gas holdups in cumene in a column of 0.3 m diameter (Fig. 14).…”

Section: Influence Of Scale and Liquid Velocitysupporting

confidence: 69%

Experimental investigation of the influence of column scale, gas density and liquid properties on gas holdup in bubble columns

Rollbusch

Becker

Ludwig

et al. 2015

International Journal of Multiphase Flow

View full text Add to dashboard Cite

Radial Profiles of Gas Bubble Behavior in a Gas‐Liquid Bubble Column Reactor under Elevated Pressures

et al. 2013

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The effects of operating conditions on radial variation of gas holdups, bubble swarm rising velocity, and Sauter mean diameter were investigated in a bubble column reactor under elevated pressures using a conductivity probe method. Air served as gas phase and tap water as liquid phase with varying gas velocity and pressure. All three parameters increased constantly with higher superficial gas velocity. Maximum holdup, velocity, and Sauter mean diameter were found at the center of the cross section. Two different cases for Sauter mean diameter distribution were observed. The gas holdups increase continuously with higher system pressure, but decrease for bubble swarm rising velocity and Sauter mean diameter. According to experimental results, an empirical correlation of the gas holdup profiles is presented.

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Influence of Operating Pressure on Gas Holdup and Flow Regime Transition in a Bubble Column

Cited by 2 publications

References 8 publications

Experimental investigation of the influence of column scale, gas density and liquid properties on gas holdup in bubble columns

Experimental investigation of the influence of column scale, gas density and liquid properties on gas holdup in bubble columns

Radial Profiles of Gas Bubble Behavior in a Gas‐Liquid Bubble Column Reactor under Elevated Pressures

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