查询词典 convection current

In experimental respect, the experimental investigations of natural convection heat transfer of air layers in vertical annuli are presented.

本文首次从实验和理论两方面对大高宽比竖环形封闭空腔内自然对流换热进行了比较全面和系统的研究。

Numerical and experimental study were carried out to investigate the natural convection heat transfer in concentric circular annuli under horizontal and inclined conditions.

本文对倾斜与水平同心套管夹层内介质的自然对流换热问题进行了数值模拟和实验研究。

Three-dimensional transient and steady-state natural convection in cylindrical annuli filled with porous media has been studied by numerical calculation in detail.

本文采用数值计算系统地研究了多孔柱环内三维稳态和暂态自然对流流动和传热。

An experimental study of natural convection heat transfer in concentric and eccentric horizontal cylindrical annuli［J］.

陈光明。变物性对水平同心套管中自然对流换热的影响［D］。

In this paper, using single-phase water as working fluid, the experimental research was performed to investigate the frictional pressure drop and heat-transfer characteristics of forced convection in narrow annuli under atmospheric pressure.

本文以单相水为工质，在常压下对窄环隙流道进行了强迫对流换热特性和阻力特性的实验研究。

Moist Pak-D insulation is used primarily as a surface layerover Fiberfrax blanket linings in hot gas erosion applications(e.g., hot gas ducts, breechings, convection boxes, flares,etc.).

Moist Pak-D绝热材料在热气侵蚀应用（如热气导管、烟道、对流箱、烟囱喇叭口等）环境中，主要用作Fiberfrax毯内衬的表层。

Droplet ignition and extinction in practical combustors are strongly influenced by forced convection and turbulence.

在实际燃烧室中，液滴点火和熄火受到强迫对流和紊流的强烈影响。

The deflection and circumfluence of flue gas in convection section would affect the heat transfer when one firebox is on decoking operation,and some tube's temperature would be higher.

双辐射室裂解炉采用两个辐射室共用一个对流段的结构，在一侧辐射室正常生产而另一侧进行烧焦操作时，对流室烟气的偏流和回流会引起对流炉管的受热不均，局部对流炉管传热能力下降。

Citing the classical thermodynamics formulae that measured the velocity of airflow using resistance temperature under the force convection condition, the equations are detruded following the measuring principle.

由强迫对流条件下热电阻检测气流速度的经典热力学公式，根据传感器检测原理推导得到Iw恒定时气流速度-热电阻丝电阻关系式、惠斯登电桥输出电压-气流速度关系式、热电阻的温度-气流速度关系式和惠斯登电桥输出电压-热电阻检测温度关系式。

In the paper, it analyzes the main problems of present driers, puts forward the new drying process, and introduces thedesign plan of the cocoon drying devices with the convection vibrated fluidized bed and their technical features.

分析了现有烘茧机的主要症结，提出了蚕茧干燥过程的新工艺，介绍了对流型振动流化床蚕茧干燥装置的设计方案和技术特点。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。