在导翼中自由振荡的球有利于全流道流动,最大限度减小湍流和振荡。
Free oscillation of ball in guide ribs facilitates full port flow with minimum turbulence and chatter.
本文分析了螺旋进气道在生产过程中的偏差而导致气道几何参数的变化对气道流动特性的影响。
The paper analyzes the effect of geometrical parameter variations of helical port due to some tolerances in manufacturing, configuration on the inlet air flow characteristics.
它不但移动灵活,而且不产生有形物排放,不队外界造成任何污染,成了城市里一道流动的风景线。
It not only flexible and mobile, but do not produce visible emissions, and do not cause any pollution outside, become a mobile city scene.
最后用方截面管流中有关二次流的实验结果对模型进行鉴定。 结果表明,给出的模型在槽道流动和方截面管流中都获得了满意的结果。
Then the normal Reynolds stresses in square duct flow are calculated using the new model and coefficient functions, the results are consistent with the experimental data.
以前,大陆之间的鸿沟允许水自由流动;而现在地峡形成了一道屏障,把大西洋和太平洋分隔开来。
While previously the gap between the continents had allowed a free flow of water, now the isthmus presented a barrier that divided the Atlantic Ocean from the Pacific Ocean.
据信可能是由于多种原因造成的,包括古岩浆流动和地下熔岩道的崩塌。
It is believed there may be many different formation mechanisms including ancient magma flows and the collapse of subterranean lava tubes.
MrLevensohn警告道“严重的流动性瓶颈”不仅会大大减少美国每年新创立的公司数量,还会减缓工作岗位数量的增长。
Mr Levensohn warns that "the significant liquidity bottleneck" could well reduce the number of new firms created each year in America and hold back job growth.
“在美加两国边境,每分钟有近百万美金的货物和服务输出输入,以及每日近300000人次的人员流动量。”他补充道。
“At the U.S.-Canada border, nearly one million dollars in goods and services cross every minute, as well as 300, 000 people every day, ” he added.
它就像一道从天而降的瀑布,猛烈地阻隔河流中正常连续流动的水流。
It is the waterfall that interrupts violently the peaceful continuous flow of the river's water.
采用自制的实验系统对液态进料直接甲醇燃料电池(DMFC)阳极交叉指状流道内的两相流动特性进行了可视化实验研究。
Visualization study of two-phase flow in anode interdigital flow bed of a liquid-fed direct methanol fuel cell (DMFC) was performed in a home-made experimental system.
要优化水泵水轮机转轮设计,应了解包括转轮在内的水泵水轮机全流道的流动特性。
To optimize the design of pump-turbine runner, we should understand the flow characteristics of the pump turbine, including the runner.
在他面前,墙上出现了一道纤细的金色光线,象一股熔化的金属的溪流,沿着水平线流动,直到两端垂直流向下方,接着再一同倒流回去。
A thin golden line formed on the wall before him, running like a stream of molten metal along the horizontal until both ends dropped down and then ran back together.
强迫一种冷的材料流动会产生极大地剪切能,并在螺杆的流道中产生降解。
Forcing a cool material to flow can generate excessive shear energy and localized degradation in the screw's flow channel.
2011年,伦敦经济学院的调查人员通过评估1970至2000年为孩子存储的收入,总结道:两代人的社会流动性停滞不前。
In 2011 researchers at the London School of Economics concluded that intergenerational social mobility, assessed by income for children born between 1970 and 2000, had stalled.
反之,我们可以想象的现金需求与自身的流动性相比微不足道,这是我们的事务安排方式。
Instead, we will always arrange our affairs so that any requirements for cash we may conceivably have will be dwarfed by our own liquidity.
有部分温度的升高,是由于让这些能量阻止或冻结的地区重新流动能量的“道技巧”及自由能量而发生的。
Some of the increasing temperatures are occurring due to "Tao Technology" and free energy systems that are allowing those regions that are stuck or frozen in energy flow to begin to move again.
涂装一道厚涂层可以提供更好的流动性和流平性。
Painting a thick coating can provide better liquidity and leveling.
讨论和分析了流道间隙、加热功率和入口过冷度对沸腾起始点、沸腾流态、换热系数、流动不稳定性和临界热负荷的影响。
The effects of gap size, heat flux and inlet subcooling on the boiling incipience, flow pattern, heat transfer coefficient, flow instability and critical heat flux were analyzed and discussed.
合适的前倾角有利于扩大压气机工作范围,能够改善流道内的流动,提高等熵效率。
An appropriate front lean Angle increases the range of a centrifugal compressor, improves the flow and enhances the isentropic efficiency.
为了详细研究涡轮叶栅的气动特性,深入了解涡轮叶栅流道内的气体流动,对某型涡轮导向叶栅内的流场结构进行了数值模拟。
For investigating the aerodynamic character of the turbine cascades, understanding the detail flow in turbine cascades, the computational investigation was applied on some type turbine guide vane.
从理论上分析了动态熔体流动过程,为研究聚合物熔体的动态充模过程提供流道系统压力降。
Dynamic flow process of molten polymer was studied in theory to offer a pressure drop input in the dynamic molding process of molten polymer.
小径高比的叶片采用静叶片的正倾斜的方法能够有效地控制流道内部的径向二次流和叶栅顶部的分离流动;
The method of forward leaning stator blade, which can effectively control the radial second flow and the top separate flow, is applied to the design of the small diameter-height ratio blade.
本文主要就全啮合同向双螺杆挤出机捏合块流道中熔体全充满区的流动进行了全三维非牛顿等温模拟。
This thesis concentrates on simulation of Non-Newtonian isothermal flow in kneading block in closely intermeshing co-rotating twin screw extruders.
溺水是指人在水中因较多的水分进入呼吸道而引起窒息和血流动力学及血液生化改变的疾病。
Because is drowned is refers to the human many moisture contents to enter the respiratory tract in the water to cause suffocates with the blood stream dynamics and blood biochemistry change disease.
它溢过火山口的边沿,形成200英尺宽的一道沉重的熔岩流,缓缓地流动着穿过谷底,任何不能从它经过的地方逃离的东西必死无疑。
It came over the edge in a heavy stream, 200 feet wide, and travelled slowly across the valley, bringing certain death to everything that could not move from its path.
结果表明全流道计算可以较好地模拟双流道叶轮的内部流动,尤其是叶轮进出口的流动,并可对泵的外特性做出预估。
The results show that the full passage calculation can simulate the flow in the double channel impeller, especially at the inlet and exit, to assess the pump performance.
这些纺织材料相当于一道屏障,它阻止了土壤颗粒的运动,但允许水的流动,以利于排水。
These textile materials act AS a barrier to the movement of soil particles but permit the flow of water necessary for adequate drainage.
水在微尺度槽道中单相流动和换热的研究,是通过对其流动阻力和换热强度等的实验进行的。
Experiments to investigate the heat transfer and fluid dynamic characteristics of water flowing through micro channels were conducted.
利用流动模拟结果,在流道布置及浇口尺寸确定后对分流道尺寸进行优化。
After the runner layout and gate size were decided, it could adjust runner size iteratively based on the of flow simulation results.
利用流动模拟结果,在流道布置及浇口尺寸确定后对分流道尺寸进行优化。
After the runner layout and gate size were decided, it could adjust runner size iteratively based on the of flow simulation results.
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