The Rupe number and the ratio of injectionorifice diameter are two key parameters affecting unlike impinging injector performance, and they are closely interrelated.
对于直流互击式喷注器，鲁泊数和孔径比是影响喷注器性能的两个关键参数，而且两者之间有一定关联。
2
One end of the hollow silica gel pipe is made into taper shape, and is provided with bailing eyelets at two different location; the other end is provided with an injectionorifice.
空心硅胶导管的一端制作成圆锥形并在两个不同位置处开有排水小孔，另一端开有注射孔。
3
Experimental method, apparatus and data are presented for the liquid injection through a single orifice from a flat plate into the supersonic stream.