利用EHD传导泵送机构控制液体流动分布

Conference Record of the 2004 IEEE Industry Applications Conference, 2004. 39th IAS Annual Meeting. Pub Date : 2004-11-01 DOI:10.1109/IAS.2004.1348802

Y. Feng, J. Seyed-Yagoobi

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引用次数: 28

摘要

平行蒸发器中液体流动的不均匀分布可能会产生局部热区，导致分支线干出，从而导致性能非最佳。电流体动力(EHD)导泵作为一种流量分布的主动控制方法显示出其潜力。EHD的传导泵浦与电极附近有限厚度的异电荷层有关，这是基于中性电解质物质的解离和生成离子的重组过程。这项工作介绍了利用EHD传导泵在总质量通量水平为100和200 kg/m/sup 2/s时成功控制两条分支线之间的液体流动分布。

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Control of liquid flow distribution utilizing EHD conduction pumping mechanism

A maldistribution of liquid flow in parallel evaporators may cause local hot areas, leading to dry-out of branch lines and resulting in a nonoptimum performance. The electrohydrodynamic (EHD) conduction pumping shows its potential as an active control method of the flow distribution. The EHD conduction pumping is associated with the heterocharge layers of finite thickness in the vicinity of the electrodes, which are based on the process of dissociation of the neutral electrolytic species and recombination of the generated ions. This work presents the successful control of liquid flow distribution between two branch lines utilizing an EHD conduction pump at total mass flux levels of 100 and 200 kg/m/sup 2/s.

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Conference Record of the 2004 IEEE Industry Applications Conference, 2004. 39th IAS Annual Meeting.

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