查询词典 convection heat transfer

The convectional heat transfer coefficients were measured and analyzed at different Reynolds numbers and constant heat flux.

在定热流边界条件及不同Reynolds数下测量并分析了对流换热系数。

It appears that improvement of convective heat transfer is very important for enhancement of flux and heat efficiency.

结果表明，提高对流传热系数是提高膜蒸馏热效率和渗透通量的关键。

The temperature、heat flux and solidified shell thickness were calculated in two different slab. The influence of casting speed to heat transfer was also analysised, and the calculation method of inverse problem model was studied. The convergence behavior of model was discussed under different methods and parameters.

对实际生产中两个不同的铸坯模型的结晶器温度、热流和铸坯凝固状况进行计算，分析了拉坯速度对结晶器传热的影响，并对反问题模型的计算方法进行研究，讨论了不同反算方法及参数下的模型收敛行为。

In this paper, we put emphasis on introducing the heat transfer calculation for the "pineapple twisted roll"in the deaerator, including the establishment of the physical model, the determination of heat resistance and the calculation of rise in temperature, etc.

重点介绍了这种除氧器中"菠萝花"的传热计算，包括物理模型的建立、传热热阻的确定、温升计算等。

the match of cryotrap and desiccator, the way of heat transfer on heating board, and heat system design were analyzed to solve the problems of design, manufacturing technique, and structure of the food freeze sublimation drying equipments in the freeze-dried food production process.

针对目前食品真空冷冻干燥设备的设计、制造技术与结构问题，结合真空冷冻干燥食品的加工生产实际对冷阱与干燥炉配合、加热棚板的传热方式、加热系统设计等进行了研究分析。

It was found that heat transfer enhancement was related to electric field homogeneity, electric field intensity and heat flux.

结合试验和电场分布的计算结果，分析了电场均匀性、电场强度、热流密度与沸腾换热效果之间的关系。

However, MSR is a strongly endothermal reaction, which is usually limited by heat and mass transfer and shows a lower dynamic responds and lower utilization ratio of catalyst in the catalyst bed. Therefore scientists begin to study micro-channel reactors which have better transport characteristic of heat and mass.

甲烷蒸汽重整反应是强吸热过程，该反应在固定床反应器中因受热质传输的限制，存在动态响应慢、催化剂利用率低等问题，人们转而研究具有良好传热传质性能的微通道反应器。

The heat pipe is a kind of units with high performance, it has been widely used in heat transfer and energy saving.

热管是一种高效的传热元件，在传热和节能方面的应用越来越多。

Assuming that the temperature distribution close to the concrete surface is the quadratic function of the coordinate, the back-analysis equations of thermal conductivity, heat transfer coefficient and absorption coefficient of solar radiation are derived based on one dimension Fourier equation of heat conduction and thermal boundary conditions.

为了选取更接近实际的热工参数，采用试验和反演分析相结合的方法，计算影响日照条件下混凝土结构温度场和温度效应分析结果的热工参数。

A primary analysis is made on the mechanism of heat transfer in the evaporator zone of the heat pipe.

对热管蒸发区的传热机理进行了初步分析。

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。