结果表明，由于射流的卷吸及其与环境流体之间的相互作用，使得射流边界处具有很高的涡量；
It has shown from the experimental results that the vorticity near the jet boundary region is high in magnitude due to the interaction between the jet fluid and the entrained ambient fluid.
本文根据壁龛射流的边界条件，进行射流与通风气流之间运动和力的作用关系分析，建立了壁龛射流的增压关系式。
Based on the boundary condition of jet flow in a niche and the interaction of jet with air current, a pressurization relation equation have been established.
用层流边界层方程，导出幂律流体轴对称层流自由射流的常微分方程，并给出其方程的数值解。
The ordinary differential equation of round laminar jet of power-law fluid is derived, and the solution of this equation by numerical integration is obtained.
射流或尾流可视为无固壁边界而流场速度剖面具有拐点的流动。
For the flow of a jet or a wake, we may consider a flow field without solid boundary but with a point of inflection in the velocity profile.
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.
结果表明，对于收扩喷管，虽然其速度边界层厚度明显大于收敛喷管，但加装小突片结构也能够明显的强化射流的混合。
It was found that the tabs fixed on C-D nozzles also enhanced the jet mixing distinctly, although the boundary layers of the jets from C-D nozzles were greater than that from the convergent nozzle.
应用紊流代数应力模型计算了简单边界条件下淹没碰壁射流的扩散规律及紊动特性，对计算结果与试验实测资料作了比较。
An ASM turbulence model was used to calculate the expansion and turbulence characteristics of the submerged impinging jets, and the calculated results was compared with experimental data.
本文对一般具有不规则边界的含复杂激波系的火箭导弹射流冲击流场初边值问题的物理解进行了计算。
The physical solution of the initial and boundary problems of the rocket and missile impingement with complex shock structures in arbitrary bounded flow fields has been calculated in this paper.
给出了可调式引射器工作流体和引射流体入口、引射器出口的边界条件以及初始条件，并进行了相应的数值处理。
The boundary and initial condition, such as the inlet of the primary fluid and the secondary fluid, the outlet of the injector are given, and make the relevant numerical disposal.
给出了可调式引射器工作流体和引射流体入口、引射器出口的边界条件以及初始条件，并进行了相应的数值处理。
The boundary and initial condition, such as the inlet of the primary fluid and the secondary fluid, the outlet of the injector are given, and make the relevant numerical disposal.
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