查询词典 convection current

Suggest you to open more doors and windows for ventilation, based on the convection of the exhaust fan is installed on the doors and windows.

建议你在多开门窗通风的基础上，在对流的门窗上安装抽风机。

It can absorb and block fire radiation.The belts also decrease the convection.

它可以吸收和阻挡火焰向前方的辐射，减小火场对流和阻挡火烧散块的穿越。

A wall heat flux function was introduced to separate the numerical prediction of internal heat transfer in aircraft from that of thermal effects outside the skin.The thermal network method combined with the Monte Carlo method was used to analyze the internal heat transfer and the FLUENT code was employed to simulate the aerodynamic convection outside skin.

引入壁面热流函数，将蒙皮外部热环境与飞机内部换热进行解耦计算，采用热网络法与蒙特卡罗法进行飞机内部传热分析，利用FLUENT软件进行蒙皮外气动对流换热模拟，建立了飞机蒙皮瞬态温度场的数值方法。

The kernel of the idea is that CPMJI that involves two-phase heat convection, jet impinging and full vaporization is used to enhance the heat transfer potential of cooling medium and obtain the best cooling effect.

该方法的核心是利用低温喷雾射流冲击的低温气液两相射流冲击和充分汽化的强化换热优势，充分发挥冷却介质的换热潜力以获得绿色高效的冷却效果。

The rear section is the convection flush heating area of coil tube bank.

锅炉由上部本体和下部链条炉排组成，工地现场组合。

According to field synergy principle and entropy generation minimization, the integration design concept is developed to improve thermal performance of forced air convection cooling system.Based on the hexahedra mesh the numerical simulation is carried out on systems of fan and streamlined heat sink with Multiple Rotating Reference Frame and RNG k-ε Modle.

在科技发达的21世纪，电子组件制造技术都朝轻、薄、短、小的方向发展，电子设备的结构设计也趋向紧密性，这种趋势会使得单位容积下热载荷急剧增加，因此必须配置适当的散热装置将热量排除，以维持组件运转的稳定性与可靠性。

Using the AT89C2051 single chip computer as the Fuzzy controller, with temperature measure and adjust-convection instrument, A/D transformer, LED displayer, solid switch and so on, form a temperature control which based on Fuzzy control arithmetic.

以AT89C2051单片机为模糊控制器，结合温度传感变送器、A/D转换器、LED显示器、固态继电器等，组成一个基于模糊控制算法的温度控制系统。

Studies formation of the natural convection for different initial water temperature (higher or lower than the point of density inversion) and their effects on the ice layer increasing.

调查了在高于或低于密度逆转温度点的不同初始温度下自然对流形成的情况，及其对水平叠置恒壁温三圆管外冰层形成过程的影响。

If we consider that there is only convection, when the absolute pressure of ambient is 0.02Mpa, the theoretical value of inversion temperature is approximate to 90℃, and the experimental value, however, is 80℃~85℃.

在仅有对流换热的条件下，当环境绝对压力为0.02MPa时，&逆转温度&的理论值为90℃左右，试验值在80℃～85℃之间。

Heat transfer will worsen if structure parameters of the spring inserts are not fit. The paper think that the mechanism of heat transfer enhances of the spring inserts is the laminar flow lining is thinner because of librating of the spring inserts, accordingly the part of convection is enhanced. But the part of boil is not influenced.

通过弹簧插入物的各个参数对传热性能的影响分析，认为弹簧插入物对竖管降膜蒸发传热强化的机理主要是弹簧的振动加强了液膜的湍动，减薄了层流内层，从而强化了对流传热分量，但对沸腾传热分量没有影响。

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。