在射流的横截面上,自相关系数为一常数。
The autocorrelation coefficient is constant over a cross sectional area of the jet.
本文分析了粘性液体射流的线性稳定性问题。
In this paper, a linear instability analysis is presented for a viscous liquid jet.
实验表明,浮力射流的横断面内浓度呈椭圆形高斯分布。
It is shown that concentration in the jet cross-section takes elliptical Gaussian distribution.
在汽泡爆破冲击力及射流的复合作用下,导致材料受损。
The compound action of bubble blast and jet fluid results in material damage.
本文研究了静止环境和流动环境中的负浮力射流的特性。
The characteristics of negatively buoyant jets in static and flowing environment have been investigated in this paper.
热图像真实地反映出每一股射流的冲击冷却局部换热特征。
The thermal images show truly the features of local heat transfer for each jet impingement cooling.
对水在空气中湍动雾化射流的气液两相流场进行了数值模拟。
Simulation of turbulence atomization jet in the air-water two phase flow field was performed.
液体射流的实际破碎尺寸要大于线性稳定性理论的预测结果。
It is also found that the size of breakup of a liquid jet is always larger than the most unstable wavelength given by linear instability theory.
在淹没和非淹没条件下对星形喷嘴射流的破岩能力进行了实验研究。
Experiments with the rock breaking ability of star-shaped jet is presented in this article.
射流的激发温度和转动温度结果显示,这是一种冷的等离子体射流。
The calculated results of excitation and rotation temperature consistently illustrate the plasma jet is non-thermal in nature.
通过算例论证了淹没环境下,实现气体保护层磨料水射流的可行性。
The feasibility of realization of AWJ with gas protection layer in submerged water is confirmed by computational example.
在冷态模拟实验中,就交叉射流的参数对主变形率的影响进行了研究。
Through a water simulation experiment, the influence of cross jet parameters on principle strain was studied.
空泡射流的产生及射流冲击力的大小,由泡能和无量纲参数共同决定。
The generation and the impact force of cavitation liquid-jet depend on the bubble energy and non-dimension parameters.
本文利用后混合磨料射流的工作原理进行了磨料浆液除锈系统的试验。
Based on the theory of indirect injection abrasive water jet, experiments on abrasive water jet rust-removing system have been studied.
计算结果还表明,受激液体射流和自由液体射流的临界曲线有明显不同。
The results also indicate that the critical curves of a free jet and an excited jet are quite different.
最后用数值计算和数值模拟的方法对射流的形成及侵彻过程做了初步的尝试。
At last, the methods of numerical computation and numerical simulation were used to make an attempt on the shaped charges formation and penetration.
切割气体既要保证等离子射流的形成,又要保证去除切口中的熔融金属和氧化物。
Cutting gas is to ensure that the formation of plasma jet, and to ensure that remove the molten metal oxides and incision.
结果表明,空泡射流的力学效应与等离子体冲击波的一样重要,有时甚至更明显。
The results have indicated that the bubble jetting is as important as the laser plasma shock wave, and more important sometimes.
提出了影响喷头工作稳定可靠性的主要因素为主射流的附壁时间及主射流的附壁力。
The research indicates that the main factors, which affect sprinklers stabilization and reliability, are the mainstream-wall adhering time and force.
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.
通常表现是切割射流的吹力减弱,切口下部残留的熔渣增多,上部边缘过熔而出现圆角等。
Usually the performance is a cut of the jet blew force is abate, the lower incision of the remainder of the slag increased, the upper edge of the melt and appear a round, etc.
论述了高压水射流加工技术的起源、切割机理,并介绍了获得高压水射流的基本原理和范围。
This paper tells the origin and cutting mechanism of water jet cutting technology, and introduces fundamental of getting high pressure water jet and its application.
在平面受限温差射流的九种不同工况下,与深度平均—模式进行了客观而详细地数值比较研究。
In the case of side discharged jets with temperature difference and transverse current, the new model has been investigated numerically in detail.
这些装置没有反馈管来控制主喷流,也没有射流的附壁效应。它们的结构很简单可以自激振荡。
These devices have neither feedback pipes to control the main jet nor wall attachment effect of the jet on them.
论述了空气射流、浮力尾流和浮力射流的相同、相异性及解法特点,归纳分析了现有实验资料。
Discusses the similarity in solutions of air jet, buoyant plume and buoyant jet, and inducts and analyses the available experiment data.
论述了高压水射流加工技术的起源、切割机理,并介绍了获得高压水射流的基本原理和应用范围。
The paper describes the origin of cutting mechanism with water jet cutting technology, and introduces the fundamental of getting high pressure water jet and its application.
不幸的是,这个浴缸不是一个具有二次加热系统和循环射流的温泉式浴缸,而是一个简单的水容器。
Unfortunately, the bathtub is not a spa-style tub with a secondary heating system and circulating jets, but rather a simple water containment vessel.
试验研究了模拟水深、靶距及冲蚀时间对水下射流性能的影响关系,较全面地揭示了水下射流的特性。
The effect of working parameters on the erosion performance of underwater jet is investigated, such as , simulated depth, stand off distance and exposure time.
试验研究了模拟水深、靶距及冲蚀时间对水下射流性能的影响关系,较全面地揭示了水下射流的特性。
The effect of working parameters on the erosion performance of underwater jet is investigated, such as , simulated depth, stand off distance and exposure time.
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