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DEVICE AND METHOD FOR INFLUENCE AT VORTICAL STRUCTURES IN TURBULENT AIR JET

机译:湍流空气射流对孔道结构影响的装置和方法

摘要

FIELD: machine building.;SUBSTANCE: invention is related to devices for influence at flow of fluid medium. Device for influence at vortical structures in turbulent air jet flowing from air exhaust channel comprises pair of needles installed in close proximity to flow and connected to source of AC voltage for creation of pulsating corona discharge between needles. One needle from pair of needles is oriented in direction along flow, and the other needle - across flow. Method is characterised with influence of pulsating corona discharge at vortical structures in turbulent air jet.;EFFECT: reduction of jet noise.;12 cl, 4 dwg
机译:技术领域本发明涉及用于影响流体介质流动的装置。用于影响从排气通道流出的湍流喷气中的涡流结构的装置,包括成对安装的针头,针头紧紧靠近气流,并连接到交流电压源,以在针头之间产生脉冲电晕放电。一对针中的一根针沿流动方向定向,另一根针沿流动方向定向。该方法的特点是在湍流空气射流中涡旋放电对旋涡结构的影响。效果:降低了射流噪声; 12 cl,4 dwg

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