An Investigation of Ionic Wind Propulsion
An Investigation of Ionic Wind Propulsion
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发表时间：
2009-12
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通讯作者：
Jack Wilson;H. D. Perkins;W. K. Thompson
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作者：
Jack Wilson;H. D. Perkins;W. K. Thompson
当高压电晕放电在尖锐的电极和较大半径的接地电极之间发生碰撞时，电晕放电装置会产生离子风和推力。这项研究的目的是检查这种推力是否可以调整到对飞机推进感兴趣的值。初步实验表明，观测到的推力确实等于离子风的推力。人们尝试了不同类型的高压电极，包括导线、刀刃和管脚阵列。发现管脚阵列是最优的。参数实验和理论表明，单位功率的推力可以从最初的5N/kW提高到接近50N/kW的值，但只有降低产生的推力，并提高施加的电压。除了使用直流电压，在有和没有直流偏置的情况下，还检查了脉冲激励。至于这是否有利，结果还没有定论。得出的结论是，使用电晕放电来推进飞机似乎并不是很实际。
A corona discharge device generates an ionic wind and thrust, when a high voltage corona discharge is struck between sharply pointed electrodes and larger radius ground electrodes. The objective of this study was to examine whether this thrust could be scaled to values of interest for aircraft propulsion. An initial experiment showed that the thrust observed did equal the thrust of the ionic wind. Different types of high voltage electrodes were tried, including wires, knife-edges, and arrays of pins. A pin array was found to be optimum. Parametric experiments, and theory, showed that the thrust per unit power could be raised from early values of 5 N/kW to values approaching 50 N/kW, but only by lowering the thrust produced, and raising the voltage applied. In addition to using DC voltage, pulsed excitation, with and without a DC bias, was examined. The results were inconclusive as to whether this was advantageous. It was concluded that the use of a corona discharge for aircraft propulsion did not seem very practical.