查询词典 heat flow

To obtain more uniform temperature distribution and relative lowest temperature over cross section of the rotor, on the basis of test data of a given example of a 150MW turbo generator with air coolant, numerical solution of two dimensional modelling equations of air turbulent flow and heat transfer in and between cooling duct and rotor were carried by the Finite Volume Method at condition of varying configuration parameters of sub slot, the number of winding's cooling ducts and center distance of them, and the diameter of slot wedge.

为了能够得到转子截面较均匀并且最高温度值较低的优化温度分布，文中在150MW空冷汽轮发电机转子实验研究基础上，改变副槽的几何形状、径向通风沟的条数及间距、槽楔出风口直径等几何量，采用有限体积法求解转子本体及通风道内空气的传热及紊流流动等二维离散方程组。

The research on the flow and heat transfer performance outside single row tube is of great important for the optimal design and safe operation of air cooled condensers.

单排管外空气侧的流动和传热性能研究，对于直接空冷凝汽器的优化设计和安全运行具有重要的意义。

ABSTRACT Theoretical and experimental investigations of the performances of heat transfer and pressure drop for saturation flow boiling in ...

本文着重研究非共沸混合工质R32/R134a（25%/75%Wt）在水平微翅管内流动沸腾换热的规律。

BW series stainless steel heat pump, glue pump for the transmission is under constant temperature thickened and solidification and maintain a certain temperature or crystallization and easy flow of medium and design, such as asphalt, paraffin and rosin, crude oil, resin and properties of similar liquid, no more than 300 degrees Celsius temperature.

BW 系列不锈钢保温泵、热熔胶泵是为输送常温下变稠、凝固或结晶而维持一定温度又容易流动的介质而设计的，如沥青、石蜡、松香、重油、树脂及性质类似的液体，温度不高于300℃。

Capacity and distribution of the heat road, regulation of oil flow quantity initial were investigated.

简要介绍了单元窑的热工特性，对热负荷的大小和分配，油流量调节进行了初步探讨。

Guaiguo Yamaguchi, Lake seen for a long time, the mountains and the city is noisy and crowded in the flow of people floating on top of the heat overnight, lake and mountains, there has been such a threshold between two worlds.

拐过山口，湖已不复见，山上又是喧闹的都市和浮在拥挤的人流之上的隔夜的暑气，湖上和山外，像是隔了一道两个世界之间的门槛。

Depending on the direction of current flow, Peltier devices can both heat and cool.

也许缺少认同，但也是共识，TECs为双向热泵，根据供电电流的方向，可以进行加热和制冷。

In this paper, heat transfer and fluid flow in passage for trailing edge of turbine blade with pin-fin arrays is studied numerically.

本文应用湍流模型对涡轮叶片尾缘针肋通道的换热与流动进行了二维数值模拟研究。

It was the first time that experimental studies of the flow characteristics and convective heat transfer in platelet regenerative cooling channels with high aspect ratio were conducted in China.

大高宽比再生冷却套在宽度上已属于微小通道，为考察其流动传热是否与常规尺度管道不同，本文理论分析采用经典N-S方程而未考虑微小尺度效应是否合理，研究流道高宽比等几何参数对其水力和对流换热特性的影响，分别搭建了挤压式水力实验台和泵压式对流换热实验台，设计了d〓=1.0~1.2mm，宽度为0.6~0.8mm，AR=3~15的5个不同高宽比矩形通道层板试验件，采用线切割加工槽道和扩散焊接盖板的制造工艺，得到了质量可靠的试验件，以水为工质，在国内首次对大高宽比层板再生冷却通道的流动和对流换热特性进行了实验研究。

Combustion with releasing heat effectively in supersonic flow is one of the most important, as well as the most difficult, technologies in researching and developing supersonic combustion ramjet.

摘要超音速流动状态下的高效燃烧过程是研制超燃冲压发动机最重要也是难度最大的关键技术之一。

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。