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Electrohydrodynamic induction pumping of a stratified liquid/vapor medium in the presence of heat transfer

机译:存在传热条件下分层液体/蒸气介质的电液动力感应泵送

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The effect of heat transfer on the performance of the EHD induction pumping of a liquid/vapor stratified medium is theoretically investigated. The analytical domain considered is represented by a two-dimensional developing plane channel flow of a liquid separated from a vapor by a horizontal interface in a channel bound from below and above by two infinite rigid boundaries. The electrodes generating the electric traveling wave are placed at the bottom of the liquid film. The liquid temperature is assumed constant at the interface of liquid/vapor media while the liquid is cooled or heated at the lower boundary. The dimensionless numerical results are obtained for three different dimensionless wall heat fluxes representing no heat transfer, cooling, and heating at the lower boundary. The controlling parameters include: vapor height, liquid height, voltage, wavelength, and frequency. For the selected operating conditions, the performance of the pump increases with increasing wall heat flux.
机译:理论上研究了传热对液/气分层介质的EHD感应泵性能的影响。所考虑的分析域由液体的二维展开平面通道流表示,该通道通过水平边界从通道中分离出来,该通道从下方和上方通过两个无限的刚性边界与通道分离。产生电传播波的电极位于液膜的底部。假定液体温度在液体/蒸汽介质的界面处恒定,而液体在下边界处被冷却或加热。对于三种不同的无因次壁热通量,获得了无因次数值结果,这些热通量在下边界处没有传热,冷却和加热。控制参数包括:蒸气高度,液体高度,电压,波长和频率。对于选定的运行条件,泵的性能会随着壁热通量的增加而增加。

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