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建立了双波长激光全息干涉测试系统,测定了多组分气液传质液相侧边界层内的浓度场分布.结果表明,距界面0.01mm处的浓度仍远未达到热力学平衡值,说明界面附近存在相当大的传质阻力.还观察了气液传质时界面附近的湍动现象.
A dual-wavelength laser holographic interferometry system was established to measure the concentration field distribution in the liquid-body boundary layer of multi-component gas-liquid mass transfer. The results show that the concentration 0.01mm away from the interface is still far below the thermodynamic equilibrium value, indicating that there is considerable mass transfer resistance near the interface. The phenomenon of turbulence near the interface of gas-liquid mass transfer was also observed.