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Study on the mass transfer of bubble swarms in three different rheological fluids

机译:三种流变流体中气泡群的传质研究

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The mass transfer of the absorption of carbon dioxide bubble swarms into three different rheological flu ids (Newtonian fluids, shear thinning fluids and viscoelastic fluids) were investigated experimentally. The volumetric liquid-phase mass transfer coefficients under different operating conditions were determined by using a carbon dioxide probe. The influences of gas flow rate and liquid properties on volumetric liquid-phase mass transfer coefficient were studied. Results indicated that the volumetric liquid-phase mass transfer coefficient increased with gas flow rate but decreased with increasing liquid apparent vis cosity. Moreover, the viscoelasticity of liquid resulted in a decrease of mass transfer rate. A semi-empir ical model was developed, the prediction by this model showed a satisfactory agreement with the experimental data in all three types of liquids studied.
机译:实验研究了吸收二氧化碳气泡群到三种不同流变流体(牛顿流体,剪切稀化流体和粘弹性流体)的质量传递。通过使用二氧化碳探针确定在不同操作条件下的液相液相传质系数。研究了气体流速和液体性质对体积液相传质系数的影响。结果表明,液相液相传质系数随气体流量的增加而增加,但随液体表观粘度的增加而减小。此外,液体的粘弹性导致传质速率降低。建立了半经验模型,该模型的预测与所研究的所有三种类型的液体的实验数据均显示出令人满意的一致性。

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