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INFLUENCE OF GEOMETRY OF ELECTRODE IN ELECTROHYDRODYNAMIC PUMP

机译:电极几何形状在电液动力泵中的影响

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Upon applying high voltage between the electrodes the air near the emitting electrode is ionised and drifts towards collecting electrode due to electric field. In the process these ions collide with neutral air molecules and transfer the momentum to the air bulk. This result in air motion called Electrohydrodynamic gas flow. An experimental investigation has been conducted to study the dependence of velocity on geometry of the collecting electrode in Electrohydrodynamic gas pump with needle-conical foil configurations. Experiments show that the velocity behaves inversely with the newly proposed Electrode geometry factor (EGF). Maximum average velocities are obtained at an optimum gap as it is speculated that recirculation zones are present for lower gaps and lower velocities are generated at higher gaps.
机译:在电极之间施加高电压时,由于电场而被电离并朝向收集电极。在该过程中,这些离子与中性空气分子碰撞并将动量转移到空气块状物中。这导致气动称为电流动力气体流动。已经进行了一种实验研究,以研究速度对具有针锥形箔配置的电流动力气体泵中收集电极的几何形状的依赖性。实验表明,速度与新提出的电极几何因子(EGF)成反比。在最佳间隙中获得最大平均速度,因为它推测较低间隙存在再循环区域,并且在较高间隙处产生较低的速度。

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