Characteristics of helium DC plasma jets at atmospheric pressure with multiple cathodes

Wang Cheng^{1, †}, Zhang Zelong¹, Cui Haichao¹, Xia Weiluo², Xia Weidong¹

(color online) Typical appearance of the plasma jet with powder-feeding rate of 5 g/min. I = 250 A, 22.5 slm gas flow rate.