但对于非线性速度分布的连续射流，存在的虚拟原点不是唯一的。
But for the continuous jet which velocity gradient is not linear, it has not only one virtual origin.
分析了等离子束射流温度、密度、压力和速度场的空间分布特点以及它们之间的内在联系。
The spatial distribution characteristics of plasma flow temperature, density, pressure velocity field and intrinsic relation of them were completely analyzed.
通过数值计算，得到了喷嘴出口自由射流与冲击射流情况下的流体速度、压力等参数分布情况，及这两种流场中的激波位置。
Through the numerical simulation, the distribution of those parameters such as speed, pressure of the free jet and impinging jet flow is obtained, also the position of shocks.
结果表明，脉冲喷嘴射流的外边界变化规律、等速核和无因次速度分布规律等均与普通射流有较大差异。
The results show that the external boundary, potential core and dimensionless velocity distribution curve are different from those of general jets.
测量了该吸气流动在不同工况下的临界射流速度、速度场分布、有效作用范围。
Measures critical jet velocity, velocity field distribution and effective limits of this suction-airflow under different conditions.
对于沿射流长度方向具有线性分布速度的连续射流，经典的基于虚拟原点理论的射流侵彻关系式能很好的描述其侵彻行为。
The classical penetration equation based on the virtual origin theory can well describe the penetration behaviour of the continuous jet with linear velocity distribution.
旋转射流的切向速度分布相当于射流中存在一个旋转的涡核。
The tangential velocity distribution measured in this study is similar to a vortex core existing along the jet axis.
文中分别研究了射流交叉角度和密度比对径向速度分布、回流区长度、回流量的影响。
The results show that the angle of cross jets and density ratios have important influences on the velocity distribution on radial, the length of reflux zone and the quantity of reflux.
同时计算得到了静止式气波制冷机内部流场的速度、压力分布，捕捉到了射流“卷吸”和充排气的掺混现象。
The simulation obtains while process of fluidic attachment and switch and distribution of velocity and pressure of flow field.
计算了外射流在不同旋流数时及内外射流流量比不同时燃烧室内的速度分布。
Predictions of effects of swirls and the rate of flows on velocity are obtained.
全面地分析了矩形射流气相时均流场的速度、湍流强度的空间分布规律，并就部分数值模拟结果与实验结果进行了对比研究；
The distribution of the time-averaged velocity and turbulence intensity was studied, and some of the simulation results were compared with the experimental results;
全面地分析了矩形射流气相时均流场的速度、湍流强度的空间分布规律，并就部分数值模拟结果与实验结果进行了对比研究；
The distribution of the time-averaged velocity and turbulence intensity was studied, and some of the simulation results were compared with the experimental results;
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