为了探求气固两相圆湍流射流的特性，研究了不同雷诺数对气固两相圆湍射流的影响。
To study the characteristics of the gas-particle turbulent round jet, the effects of Reynolds number on the round jet were investigated.
风扇环形外腔产生的正压湍流射流在内腔负压汇流作用下形成锥形风幕流场，将处于流场范围内的气体及粉尘严密封闭起来，使安全生产得到保障。
The tapered windscreen flow field of the fan is composed of the outer ring turbulent jet and the inner sink, which tightly closes gas and dust to ensure the safety production.
团聚室中引入气固射流，使团聚室内形成局部湍流，强化颗粒间的碰撞。
In order to intensify the collision among the inhalable particles, a gas-solid jet flow was introduced into the agglomeration chamber to generate a local turbulent flow field.
首先，在冷态流动中完成了利用网格湍流控制射流剪切层的实验研究。
First of all, control of the shear layer of jets by grid turbulence was studied for isothermal flows.
研究了网格湍流的被动控制方式对射流剪切层以及相关预混火焰的影响。
The influence of passive control method of grid turbulence, on the shear layer of a jet and related premixed flames was investigated.
本文研究网格湍流对射流剪切层以及建立在其中的预混火焰的影响。
The influence of grid turbulence on the shear layer of a jet and the premixed flames embedded in it was investigated in the present study.
气固两相射流具有高的颗粒温度，呈现强烈的气固两相湍流流动特性。
High granular temperature of particles appeared the intensity turbulence of gas-solid jetting flow.
通过流场显示及激光多普勒测速仪测定湍流特性等实验方法考察了管内的无伴流约束射流。
The recirculation phenomena and turbulence characteristics in non-ambient flow confined jets inside the tubes were explored.
自由剪切流是一种典型的包含转捩和湍流的流动现象，而平面射流是一种比平面混合层复杂的自由剪切流。
The free shear layer is a typical flow phenomenon which includes transition and turbulence. The plane jet is a type of free shear flow more complicated than the plane mixing layer.
研究结果表明：湍流椭圆自由射流的最显著特征是椭圆涡环的间歇产生、脱落，这些涡环一旦产生立即脱落。
The results show that the most significant feature of turbulent free jet is the intermittently generation, shed of elliptic vortex rings, and once they generate they shed immediately.
实验研究了狭缝射流撞击圆柱表面后壁面射流区的平均流动和湍流特性。
Detailed mean flow and turbulence measurements of a turbulent air slot jet impinging semi-circular convex surface were experimentally investigated.
采用气-液两相流两方程湍流模型，结合混合有限分析法，对静止环境中气泡射流进行数值模拟和分析。
A two phase turbulence model and hybrid finite analytic method (HFAM) are used to predict the behavior of bubbly jet in static environment.
本文采用二阶矩两相湍流模型模拟了气泡-液体闭式多股射流。
The bubble-liquid two-phase jets are simulated using a second-order moment two-phase turbulence model.
实验测量了射流与圆柱尾流纵、横向的湍流速度脉动，计算了这两种方向的湍流速度结构函数的标度规律。
The scaling of the longitudinal and transverse velocity structure functions is studied experimentally for turbulent jet and cylindrical wake flow.
最后，在前面二维模拟的基础上，建立了三维气粒两相湍流流动数值模拟的数学模型，并用此模型对气粒两相气粒两相矩形射流进行数值研究。
At last, three-dimensional mathematical model of gas-particle two phase turbulence was established, and it was adopted to study the gas-particle two phase rectangular jet as well.
采用相多普勒颗粒分析仪(PDPA)测量了雷诺数为8500的两相圆湍射流速度场，研究了两种大粒径颗粒对湍流的调制作用。
Two-phase velocity fields in a round turbulent jet with Reynolds number 8500 were measured by phase Doppler Particle Analyzer (PDPA).
对多股射流与圆柱管中的横流湍流混合的三维流场进行了数值模拟。
The numerical simulation for the three dimensional turbulent flow field of multiply jets mixing with a confined crossflow in cylindrical duct is presented in this paper.
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;
要求液面高度能保证净化液的自流，射流管内气体处于湍流状态，混合气流速度应达到连续射流所需的临界速度。
The liquid level must be high enough to assure the gravity circulation of liquid. In the jet pipe, the flowing gas holds a turbulent state.
当射流速度比较大时，喷管的缺陷如进口出口的毛刺和流道壁的粗糙度是诱发湍流使射流破断的主要原因。
The turbulence induced by the defects of nozzle, such as the burr at the inlet and outlet, and the roughness of the wall, is the main cause to decrease the length of intact jet.
当射流速度比较大时，喷管的缺陷如进口出口的毛刺和流道壁的粗糙度是诱发湍流使射流破断的主要原因。
The turbulence induced by the defects of nozzle, such as the burr at the inlet and outlet, and the roughness of the wall, is the main cause to decrease the length of intact jet.
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