查询词典 heat flow

By changing the fluid temperature and flow rate on the refrigerant/air side, the frost formation process on flat fin surface of an outdoor heat exchanger was traced dynamically using a microphotographic camera.

通过改变蒸发器制冷剂侧和空气侧的流体温度、流量等参数，利用显微摄影机对室外侧换热器的平直翅片表面结霜过程进行动态跟踪。

The results reveal that the preparation of the γ′-(Fe1-xNix)4N monophase powder is related to NH3/H2 gas flow ratio,heat treatment temperature and time.

结果表明：制备单相γ′-(Fe1-xNix)4N粉末与NH3/H2气流比、热处理温度以及时间有关。

The heat release calculation by external condensation of horizontal multitube, vibration check while media transversely flow over tube bundle, ensemble rigidity pipe bundle and connecting technology of tube and tube plate ware presented in this paper.

介绍了大型加热器的水平式多管排管外冷凝放热计算、介质横向流经管束时的振动校核、整体刚性管束以及管子与管板的连接工艺。

Test study on electrio omagnetic type oilless ignition burner has been carried out under condition of maintaining same air velocity and same walltemperature, the influence of different pulverized coal concentration in air flow upon igniting temperature , igniting distance, igniting heat, and igniting mode being analysed, and the igniting mechanism being approached.

在保持相同风速与壁温的条件下对电磁感应无油点火燃烧器进行了试验研究，分析了不同煤粉气流浓度对着火温度、着火距离、着火热以及着火方式的影响，并对其着火机理进行了探讨。

A separated model is developed for the recirculating flow and heat transfer in a kettle reboiler tube bundle.

提出了釜式再沸器管束中循环流动换热的分相预报新模型，考虑了管束下部的过冷沸腾及循环液体的侧面引入。

The improvement of PEIs in heat and solvent resistance, impact resistance, flame retardance and flow processing characteristic was reviewed.

从耐热性和耐溶剂性、抗冲击性、阻燃性、加工流动性等方面概述了聚醚酰亚胺的性能改进进展。

Reinforced expanded graphite sheet is comprised of expanded graphite sheet and various steel sheets such us tanged,flat or mesh.It has charcater of thermally stability,high strength and no cold flow etc.It is an ideal material of all kinds of reinforced graphite gaskets,engine heat gaskets etc.

增强石墨板又称高强石墨板是由膨胀石墨板与不同的冲刺、平面、或网孔钢板复合而成，它具有热稳定性，高强及无冷流性的特点，是各种增强石墨垫片、加工发动机垫片等的理想材料。

Here we show the remarkable capacity of the toco toucan to regulate heat distribution by modifying blood flow, using the bill as a transient thermal radiator.

研究人员观察到，该鸟喙的表面温度在其环境变热或变冷时会快速地改变。例如，在日落的时候，当巨嘴鸟即将入眠的时候，其鸟喙会在几分钟内降温约10摄氏度。

The thesis makes a wellbore pressure and temperature distribution allegiance calculation forecasting model which takes the seawater temperature field and coefficient of heat transmission into account based on the study of the related theories. And the thesis makes a research of the impact of Reynolds Number upon drag coefficient based on the classical Tunner Droplet Model, and makes the critical flow rate model of liquid lift for Ya 13-1 gas field from the perspective of security.

通过理论研究，建立了考虑海水温度场及传热系数的适用于崖13-1气田的井筒压力、温度分布耦合计算预测模型；从气井积液机理研究出发，建立了高低气液比携液临界流量的计算模型，在高气液比携液临界模型的推导中，以经典的Tunner液滴模型为基础，研究了雷诺数对曳力系数的影响，从安全考虑建立了适用于崖13-1气田的携液临界模型。

It is important to have good understanding of the mechanism of unsteady flow and heat transfer in modern gas turb...

理解涡轮中的流动和换热机理对提高航空发动机的性能至关重要。

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。