気流に伴われて流動する液膜への物質伝達に関する研究 : 第3報,高気流での検討

概要

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Characteristics of a thin liquid film flowing concurrently with high-speed gas flow were experimentally investigated in the gas velocity range from 20m/s to 80m/s. Moreover, experimental and analytical investigations were performed on the absorption of CO_2 from CO_2-laden high-speed gas flow into the thin water film flow. We concluded the following. First, there are two layers in the film flow, one is the viscous sublayer and the other is the wavy layer. The velocity is discontinuous at their boundary. Secondly, we verified that the prediction method for the bulk concentration variation of CO_2 in the flow direction, which we proposed in the first report, is also valid in the high-gas-velocity region if the velocity profile in the liquid film and the mixing length are modified. Thirdly, the correlation of average mass transfer for the liquid film flow which we proposed in the second report can also be used in the high-gas-velocity region without any modification.
社団法人日本機械学会の論文
1995-03-25