The velocity of the synthetic jet flow field is measured;
对合成射流致动器的外部流场进行了速度测量;
Gas-solid two-phase jet flow is widely used in many fields.
气固两相射流有着广泛的应用领域。
Water jet flow is one of the decisive factors for drilling rate during rock bit drilling.
在牙轮钻头的钻进中,水射流是钻进速度快慢的决定因素之一。
A numerical study of a propulsive jet flow confined by bottom plane and against a flat plate is made.
本文对发射台底面与后挡板之间的喷流流场进行了数值研究。
The test results show that the structure of jet flow includes the beginning section and the basic one.
试验结果表明,射流结构由初始段和基本段组成。
The measurement of velocity of the jet flow field is carried out with the TSI-IFA300 constant temperature anemometer.
利用TSI-IFA300热线风速仪系统对致动器喷口外的流场进行了测量。
The flow density distributions of jet flow shock field have been measured using Moire schlieren method in this paper.
文中用莫尔条纹法测出了射流冲击场的气流密度分布。
Using the numerical analyzing method, this article studied on the problem of the thrust-vectoring motor jet flow field.
文中针对推力矢量发动机燃气流场的流动问题,运用数值分析的方法进行了研究。
The time step is very small for the transient analysis of nozzle jet flow, which occupied numerous computational resources.
由于冲击式水轮机三维自由射流是两相流,进行瞬态计算的时间步长必须非常小,这就需要大量的计算资源。
The results show that the actual turbulent round jet flow must be simulated by a three-dimensional analysis with inlet perturbations.
分析了不加扰动和加扰动模拟的本质差异,指出准确预报实际圆湍射流流动应采用施加入口扰动的三维模拟。
When the vent opening reduces, the jet flow phenomenon is not obvious, and an obvious process of liquid level dropping could present.
放气口开度减小,射流现象不明显,并出现明显的液面下降过程。
The treatment can be used to describe the effect of cross angle and density ratio on the axial velocity decay in fully developed jet flow.
该法可较好地描述射流交叉角度、密度比对轴线上轴向速度的影响。
Angular rate is selected to represent the vibration characteristic. It was measured by using piezoelectric jet flow gyroscope when launching.
采用角速率作为定向器束振动特性的表征,用压电射流角速率陀螺仪测量了定向器束实际发射状态下的角速率。
The article calculates unsteady jet flow in concentric canister launcher with three different clearances between inner canister and outer canister.
文中针对三种不同内、外筒间隙的同心筒发射装置,对其发射过程中发射筒内的燃气射流流场进行了非定常数值模拟。
Therefore, in order to improve the performance of hydraulic servo valve, it is important to study the mathematical model and distribution of jet flow field.
因此,为了改善由射流前置级驱动的伺服阀的性能,研究伺服阀前置级射流流场的数学模型及分布规律是至关重要的。
Both the velocity of the sound-excited jet flow at a small circular orifice and the nonlinear impedance of the orifice are measured at high sound intensity.
在高声强下测量了微圆孔处声激发射流的速度和微圆孔的非线性声阻抗。
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.
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。
Using the program to generate 3-D multi-block abutting structured grid of reverse jet flow field with the controlling of concentration and orthogonalization.
并在此基础上采用一定的加密、正交化方法,生成了三维反向喷流流场分区对接结构网格。
The jet flow velocities of the O-type and L-type are obviously affected by the excitation voltage; they increase with the increase of the excitation voltage.
其中O型和L型结构的激励器受电极电压的影响比较明显,随着电极电压的增加,射流速度的最大值增大。
Induced by the high-speed feed jet flow, the solid particles above the feed nozzle tended to flow down, and a reverse flow zone was formed along the riser wall.
受喷嘴区高速射流的影响,喷嘴上方固体颗粒呈向下流动趋势,形成一个诱导回流区域。
For premixed burner, burning temperature is highest, combustion focuses in the interior of spout mainly, and influence of swirling jet flow on mainstream is great.
完全预混式燃烧器燃烧温度最高,燃烧主要集中在喷口内部,主流受旋转射流影响大。
The burning system is converted to NSP production line with MSC precalciner, high efficiency 2-string preheater system and reciprocating grate cooler with jet flow.
其中,将烧成系统改成带MSC分解炉、高效双列五级预热器和带射流的推动蓖冷机的新型预分解窑生产线。
We carry out a detailed analysis of the flow characteristic of the supersonic jet flow, and pay particular attention to the interaction between shock-cell and turbulence.
细致分析了超声速喷流流动特征,特别关注了其中激波胞格和湍流相互作用现象。
Making use of computational fluid dynamics method and dynamic simulation, the thesis studies the effects of jet flow on launch process of vehicular container-type missile.
结合流场计算和发射动力学仿真,研究某型车载发射系统中燃气流对发射过程的影响。
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.
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。
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.
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。
With the increase of the Angle, the orientation of jet flow changed from vertical to parallel. This research is the base of the design and application of the plasma actuators.
不同结构等离子体射流激励器流场特性的研究,将为等离子体激励器的设计和工程应用奠定基础。
A new type of nozzle generating swirling-abrasive water jet has been designed and the numerical method is employed to analyze the characteristics of the jet flow in the nozzle.
设计了一种水垫式旋转磨料射流喷嘴,并对其内部流场流动特性进行了数值研究。
A new type of nozzle generating swirling-abrasive water jet has been designed and the numerical method is employed to analyze the characteristics of the jet flow in the nozzle.
设计了一种水垫式旋转磨料射流喷嘴,并对其内部流场流动特性进行了数值研究。
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