Augmentation of convective and boiling heat transfer by applying an electro-hydrodynamical liquid jet

Augmentation of convective and boiling heat transfer by applying an electro-hydrodynamical liquid jet
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通过应用电流体动力液体射流增强对流和沸腾传热

DOI:
10.1016/0017-9310(88)90023-3
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发表时间:
1988
影响因子:
5.2
通讯作者:
Maki Hiroshi
Maki Hiroshi
中科院分区:
工程技术2区
文献类型:
--
作者:
Yabe Akira;Maki Hiroshi

文献摘要

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对电流体动力(EHD)液体射流强化对流和沸腾换热的效果进行了实验和理论分析。通过在环形电极和平板电极之间施加高电压来产生EHD液体射流,该射流是通过环形电极在远离平板的方向上喷射的射流。通过强制对流和EHD液体射流的湍流效应,板电极的对流换热增强了100倍以上。对于沸腾换热,气泡平均脱离周期缩短,临界热流密度提高了两倍以上。
The augmentation effects of an electro-hydrodynamical (EHD) liquid jet on convective and boiling heat transfer were experimentally and theoretically analyzed. The EHD liquid jet, which was the jet flow ejected through the ring electrode in the direction away from the plate, was produced by applying a high electric voltage between the ring electrode and the plate electrode. The convective heat transfer from the plate electrode was enhanced over 100 times by the forced convection and the turbulent effects of the EHD liquid jet. For the boiling heat transfer, the mean bubble detachment period was decreased, and the critical heat flux was enhanced over two times.