射流速度

PAM对磨料浆体射流速度的影响规律研究

Study on the Effect of PAM on Abrasive Jet Flow

结果表明，燃气射流速度的提高可以减少NOx的排放；

Results show that NO_x emission can be reduced by increasing the injection velocity of the fuel gas .

通过数值模拟研究表明，通过燃气射流速度从24.56m/s提高到55.26m/s，可以降低NOx的排放；

The numerical simulation results showed that NOx emission reduced with the fuel gas jet velocity increasing from 24.56 m / s to 55.26 m / s.

当射流速度达3~5m/s时，可提高风流的扩散系数2~4倍，有效射程可达10m以上，有效地驱散了工作面上隅角的积聚瓦斯。

When the speed of the rotary radial jet reaches 3 ~ 5 m / s , the diffusing coefficient of airflow can be increased 2 ~ 4 times , and effective range can exceed 10 m. Therefore , the gas accumulation in upper corner can be eliminated effectively .

建立了利用超声多普勒测速技术（ADV）和平面激光诱导荧光技术（PLIF）研究不同流动环境中紊动射流速度场特性和浓度场特性的实验量测和分析系统。

Including the Acoustic Doppler Velocimeter ( ADV ) and Planar Laser Induced Fluorescence ( PLIF ) measurement techniques , the whole experiments and its analysis systems are established for measuring the characteristics of velocity fields and concentration fields of turbulent round jets in different flowing ambient .

射流速度为3.5m/s与非相溶介质流速为0.18m/s时，雾化射锥高度变化趋势发生转变。

When the jet flow velocity is 3.5 m / s and the indissolvable medium velocity 0.18 m / s , the development trend of the atomization jet-flow cone height will undergo a change .

结果表明SPH和SPH-FEM方法是比较理想的适合于模拟此类大变形和多物质问题的方法。基于能量利用原理，设计和优化不同装药结构，并对不同起爆方式对于射流速度大小的影响进行研究。

The research results show that the SPH method and SPH-FEM coupled method are adapted to simulate this kind of large deformation and multi-material problems . Based on energy principle , design and optimize different shaped charge structures and different initiation ways .

聚丙烯酰胺浆体旋转射流速度分布的实验研究

Experimental study on velocity distribution of swirling jet with polyacrylamide fluid

线型聚能射流速度参数的试验及数值模拟研究

Experiment and Numerical Simulation Study on Parameters of LSC Jet Velocity

喷水织机上喷水参数对水射流速度的影响

Influence of Water-Jet Parameters on Water Velocity in Water-Jet Looms

粉末药型罩射流速度的近似计算方法

Approximate Method of Calculating Jet Velocity of Powder Liners

在一定的过冷度和射流速度下壁温变化呈现快慢快的特点。

With constant Tsub and V0 the surface temperature varies by fast-slow-fast law .

特征反应时间随射流速度的变化斜率与燃气流量相关。

The slope of the time scale is related to the gas velocity .

用聚能装药多层药型罩提高射流速度的研究

A study of increasing jet velocity of shaped charge by using multilayer liner

减压直流非转移弧等离子体射流速度的静电探针测量

Flow Velocity Measurement in a Non-Transferred DC Arc Plasma-Jet by Using Electrostatic Probes

射流速度、温度及浓度边界层厚度的研究

Study on Thickness of Velocity , Temperature and Pollutants Concentration Boundary Layers of Jet

圆形浸没冲击射流速度与压力梯度的数值计算

Numerical Calculation of the Gradient of Velocity / Pressure Under Impinging Submerged Circular Jets

大型多孔氧枪喷头射流速度分布的数学模型平展流燃烧湍流场的数值模拟

Mathematical Model of Velocity Distribution in Flow Field of Multijet for Large Scale Oxygen Lance

热源射流速度在一定范围内越大，热力分层高度越低；

The bigger heat source injecting velocity is , the lower heat lamination height is ;

错流紊动射流速度分布的数值模拟

Numerical Simulation for Cross-flow Turbulent Jet

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 .

射流速度对点阳极电沉积二维镍枝晶分形生长影响的数值模拟

Numerical Simulation of Effect of Jetting Speed on 2-D Ni Dendrite Fractal Growth in Jet-electrodeposition with Point Anode

转炉氧枪超音速射流速度衰减和分布参数的研究

STUDY ON THE PARAMETERS OF VELOCITY DECAY AND DISTRIBUTION FOR THE SUPERSONIC JET OF BOF OXYGEN LANCE bundle-integrated-guide-distributed reflector

回流区的化学反应则与喷咀结构，射流速度密切相关。

Reactions in recirculation reaction region are closely related to the configuration of the burner and the jetting velocity .

所有的颗粒都降低了射流速度半宽，但对流向平均速度剖面的影响比较复杂。

All particles reduce the jet velocity half-width , but the effects on the streamwise mean velocity profiles are complicated .

当液体射流速度为2~4m/s时，雾滴直径最小。

The minimum SMD is obtained when the velocity of liquid jet flow is about 2 ~ 4 m / s.

同一截面上随着径向距离的增加，射流速度降低，且径向速度分布具有自模性。

In the same section , the jet velocity decreases with the radial distance increasing . The jet velocity distribution is similar .

试验结果表明，流化数和射流速度的增加，射流深度将增加；颗粒粒径增加，射流深度将减小；

The results show that jet penetration depth increases with the fluidizing number and injection velocity , and decreases with partical diameter .

研究了流化数、射流速度、颗粒平均粒径和静态床层高度对射流深度的影响。

The influences of fluidizing number , injection velocity , partical diameter and the static bed height on jet penetraion depth are studied .

模拟计算表明气固两相射流速度沿轴向和径向减小，颗粒浓度下降。

Simulation results shown that the jet velocities of gas and particle phases , and concentration decreased along both the radial and axial directions .