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Quantification of Entrainment Using an Optical Inline Probe

机译:使用光学内联探针量化夹带

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摘要

In distillation and absorption processes, entrainment above trays or packings reduces stage and column efficiency. A modified version of the optical multimode online probe enables a seminal insight and, thus, quantification of entrained droplets on various axial and radial positions. A purging mechanism inhibits precipitation of droplets on the front lenses, while telecentric optics and illumination provide distance-independent and precise imaging of entrained droplets between two valve trays. Experiments were performed in a DN 450 cold flow (air-water) test rig. The results were compared with noninvasive phase Doppler anemometry data.
机译:在蒸馏和吸收过程中,托盘或填料上方的夹带减少了阶段和柱效率。 光学多模在线探针的修改版本使得能够进行精彩洞察力,因此,在各种轴向和径向位置上定量夹带液滴。 吹扫机制抑制了前透镜上液滴的沉淀,而电视光学和照明提供了两个阀盘之间的夹带液滴的距离无关和精确的成像。 在DN 450冷流(空气水)试验台中进行实验。 将结果与非侵入性相多普勒风速数据进行比较。

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