【正文】
e arc anode attachment. The distributions of the temperature and velocity in torchspout accord with the parabola shape.Key words: FLUENT, numerical simulation, arc plasma torchCLC 圖1 等離子體發(fā)生器計算域示意圖 The sketch of calculation domain(a)(b)圖2 等離子體發(fā)生器內(nèi)部氣體溫度(a)與速度(b)分布圖 The distributions of gas temperature (a) and velocity (b)圖3 陽極內(nèi)表面上的電流分布 Distribution of the current density on anode inner surface圖4 陽極內(nèi)表面上的熱流分布 Distribution of the heat flux on anode inner surface圖5 陽極內(nèi)表面上的溫度分布 Distribution of the temperature on anode inner surface圖6 進氣速度對陽極弧根位置和電弧電壓的影響 Effects of the inlet gas velocity on the position of the anode arc root and the arc voltage圖7. 電弧電流對陽極弧根位置和電弧電壓的影響 Effects of the arc current on the position of the anode arc root and the arc voltage圖8. 等離子體發(fā)生器出口處的氣體溫度和速度分布 Distributions of temperature and velocity in the generator spout