本文对用吹吸气流隔断局部空间时的气流运动进行基础研究。
This paper presents the basic studies of push-pull flow separating a local part of space without partitions.
还利用该装置测量了燃烧室布置及结构、压缩比等因素对气流运动的影响。
The effects of combustion chamber configuration and compressing ratio on air flow were measured by this apparatus.
此模式可在多种天气形势下相当成功地预报城市综合体上空及其周围的气流运动。
The model can pre dict the air flow over and around the urban complex with reasonable success in a variety of synoptic situations.
本文提出两种方法：1）在壁面设置矩形凹槽，并且利用环境的气流运动加快射流气体的混合；
Two combustion chamber configurations preventing accumulation of thick mixture in the near wall area are described:1) grooved combustion chamber.
合理的操作炉型与生产条件和冶炼制度相对应，并且按照高炉冶炼原理与煤气流运动分布规律相匹配。
Reasonable operational furnace profiles should correspond and match to the manufacture conditions and smelting system according to the blast furnace smelting principle and gas flow distribution law.
而气缸或燃烧室内的气流运动和燃料的喷雾特性，是影响柴油机混合气形成和燃烧过程的两大重要因素。
The gas flow and fuel spray status in combustion chamber are two important factors which affect the mixture formation in diesel cylinder.
对两种不同气流运动方向密集烤房与普通烤房在烤后烟叶质量、烘烤成本、产值等方面进行了对比研究。
Bulk curing barn with different airflow movement direction and common barn was compared with regqard to quality of cured tobacco leaves, cost of curing, and leaf output.
通常在发动机倒拖工况下测量和研究缸内气流运动，对于燃烧过程中缸内流动规律的测量和研究还很少。
In this paper the in-cylinder air motion and its interaction with combustion are studied under both motored and firing conditions by LDA in a single-cylinder 4-valve S. I. engine.
本文针对内燃机缸内气流运动研究需要，在国内首次开发研制出一套内燃机缸内全流场PIV测速系统。
In order to meet the research need of air flow in I. C. E., a set of PIV system has been developed.
在建立密闭式鸡舍机械通风系统气流运动方程的基础上，推导了由流函数和势函数表示的气流运动控制方程。
On the basis of the establishment of air movement equations in a confined ventilated chicken house, the governing equation, represented by the stream function and potential function, is deduced.
计算结果表明，燃烧室通道截面积、通道倾角、通道形状、通道布置对气流运动的形式及气流速度均有较大的影响。
It is concluded that the combustion chamber passage area, passage direction, passage shape and passage position have a strong effect on in-cylinder current motion and flow speed.
结合人体释放污染物的气流运动特性，指出以排除人员活动区内人体释放污染物为目的时，置换通风较混合通风更为有效。
Based on the movement characteristics of the contaminants released by human, points out that displacement ventilation is more efficient than mixing ventilation w...
内燃机缸内的气流运动和燃烧过程对发动机的整机性能有着重大的影响，是降低燃油消耗、减少排放和燃烧噪音的决定性因素。
With increasing restrictions on engine emissions, the need for reduced fuel consumption and low vibration, air motion and chemical reaction in the cylinder of diesel engine play an important role.
然而室内存在着多种随空气传播的污染，其中人体通过呼气、咳嗽和打喷嚏排出的含病原体的液滴，是呼吸道传染病传播的重要媒体，并会跟随气流运动和扩散。
However, there are many airborne pollutants inside the building, some are from the humans body, such as the droplets expelled through breathing, coughing and sneezing.
浮标的向上运动则产生吸力，可将阀球提起，这样可允许气流受力并返回至配重管。
Upward motion of the buoy causes a suction which lifts the balls, thus allowing air to be drawn back down the counterweight tube.
旋风分离器是一种利用气固两相流体的旋转运动使固体颗粒在离心力的作用下从气流中分离出来的设备。
Cyclone separator is a kind of equipment that USES rotary motion of gas-solid two-phase fluid to make the solid particle separated from the gas flow by centrifugal force.
空气在向下运动过程中受到浮标向上的推力，使阀球将阀门里的气舱密封住，这样迫使气流进入雾笛。
Air is forced up from the buoy counterweight tube during downward motion causing the balls to seal the air ports in the valve, thus forcing the air to flow into the whistle.
帆是翼型的工作使用气流所设立风和运动船。
Sails are airfoils that work by using an airflow set up by the wind and the motion of the boat.
与堆叠毛毡的重量不同，漂浮的织物响应游客的行为和微气流以提供敏感的运动。
Being different from the heaviness of the stacking felt, the floating fabric provides sensitive movements in response to behaviours of visitors and micro airflow.
垂直气流的运动不用这种系统来测量。
运用湍流理论和多相流动理论对不同二次风反切工况下炉内气流、煤粉颗粒运动进行了数值模拟。
The numerical simulation for furnace gas flow and coal powder particle motion under various conditions of reverse secondary air is carried out based on turbulent flow and multiphase flow theories.
体育馆内气流组织形式不同，对火灾中火源产生的烟气运动影响也不同。
Different air distribution in gymnasiums has different influence on smoke movement when fire happens.
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。
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.
发现林地附近气流具有高度间歇性和不对称性，并为活跃的向上运动主导。
It is concluded that the airflow near forest floor is characterized by high intermittence and asymmetry, and the active and upward movement takes the leading position.
论文研究表明，绝缘子表面积污过程与布朗运动、气流曳力、湍流扩散、重力自沉降有关。
Thesis shows that the insulator surface pollution process has matter with Brownian motion, the air drag force, turbulent diffusion, gravity.
对它的分析表明：大气的受迫运动不仅取决于越过山脉的基本气流的方向，而且还与山脉所处的纬度以及山脉的尺度有关。
The analysis shows that the forced atmospheric motion depends not only on the direction of the basic flow which crosses over the mountain, but the latitudes and scale of the mountain as well.
根据单粒子的运动理论，研究了圆柱粒子在平行气流中的运动状况。
Based on single particle motion theory, the motion of cylindrical particles in the parallel flow was studied.
迎角，机翼翼弦在空气中向前运动时与自由气流之间的夹角。
Angle of ATTACK, the Angle of the wing chord in relation to the free stream airflow as it moves forward through the air.
研究纤维在气流中的运动，对新型纺纱有着重要的意义。
To investigate the motion of fibers suspended in the air flow is of significance to the new spinning systems.
研究纤维在气流中的运动，对新型纺纱有着重要的意义。
To investigate the motion of fibers suspended in the air flow is of significance to the new spinning systems.
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