空气流动

Based on the typical structure of the air-cooled condenser of 600 MW unit, the three-dimensional physical and mathematical models for the flow and heat transfer of the cooling air in an air-cooled condenser cell with flow guiding device were established.

该文针对600 MW直接空冷机组空冷凝汽器的典型结构，建立了带有空气导流装置的凝汽器单元内冷却空气三维流动传热过程的物理数学模型。

The numerical methods were adhibited that initialize boundary conditions need not enact the diffluence ratio, also not enact the air columniation. Results of simulation display the form of the air columniation, circle flow of liquid.

采用了初始边界条件不需给分流比、也不需设定空气柱的数值方法，模拟结果显示了空气柱的形成、流体的旋流流动。

Used turbulent flows model,methane/air half-particular chemistry mechanism and laminar flamelet model couple to calculate,and work out that excessive air coefficient is 1.2 and 1.4,where velocity in firebox and mixture,temperature and component in radial.The result indicated...

利用湍流流动模型、甲烷/空气半详细化学反应机理和小火焰模型耦合求解，分别计算出过量空气系数为1.2和1.4的速度在燃烧室内的分布状况以及混合分数、温度和组分的径向分布，模拟结果表明小火焰模型能够用来描述燃烧室内燃烧机理。

In this paper is simulated numerically to flow of incompressible fluid entering into porous medium region from free space region in a 300mm diameter paper filter of the air filter.

对滤芯直径为300mm的空气滤清器内空气从自由空间区域进入多孔介质区域的流动进行了数值模拟。

In experimental respect, a set of fundamental framework to investigate the performance of the saturator has been designed, including the transparent saturator cylinder, the pressured air system, the distilled pressured water spray system, the precise measurement system of transient temperature and humidity variation. All the measurements are recorded using a computer-aided Data. Acquisition System .

利用该实验台，本文对该饱和器性能进行系统的实验，通过对大量的实验数据进行分析比较，得出饱和器内喷嘴的布置方案、水与空气的流动方式、水汽比、水温等因素对饱和器出口湿空气的温度及湿度的影响规律，通过实验结果与理论计算结果相比较，对饱和器的理论模型进行了验证。

The unique air valve minimizes vacuum and allows for free flow of liquid without the need for excessive sucking.

独特的真空设计能使杯中的空气减少到最少的限度而不影响空气的自由流动，不需要过度吸吮，从而减少了患中耳炎的风险。

A theoretical study on mechanism of mass and heat transfer was carried out based on several assumptions, namely one dimensional steady flow and non condensable gas in the air gap.

采用一维定常流动及空气间隙层中不冷凝的假定，对空气隙膜蒸馏系统的传质传热机理进行了理论研究，数学推导中对相关物理量进行了量阶分析，提出小量假设，导出了计算蒸馏通量的理论公式。

In this paper, the characteristics of catalytic reforming reaction, coke deposition on Ni katalyst and three-dimension flow in the micro combustor premixed chamber were simulated.

因微型燃烧器内微尺度燃烧易熄火、燃烧效率不高，存在催化重整过程中的积碳、微尺度等问题，可利用甲烷和湿空气中水蒸汽预混催化重整产氢来强化燃烧，对预混腔内催化重整、积碳及流动特性进行模拟，探讨了微型预混腔中甲烷、水蒸汽重整过程中水碳比、质量流量和催化壁面温度对催化重整、积碳、流动等的影响。

A turbocharger is a dynamic compressor, in which air or gas is compressed by the mechanical action of impellers, vaned rotors which are spun using the kinetic movement of air, imparting velocity and pressure to the flowing medium.

蒸气增压器是一台动态压缩机，在哪空气或气体由叶轮的机械行动压缩，使用空气的运动运动转动的vaned电动子，给予速度和压力到流动的媒介。

The flowand heat transfer performances of two-row bundles with different fin spacing are carriedout. The effects of fin spacing on air-side heat transfer coefficient and flow resistance arediscussed.

对不同翅片间距的两排管管束流动和传热性能进行了分析，得到翅片间距变化对空气侧表面传热系数和流动阻力的不同作用规律。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。