查询词典 heat flow

The solution in the reactor has uniform inner heat source, and there are tiny air bubble built, the whole system is running by natural convection and the driving of air bubble. The gas-liquid two phase flow and heat transfer are mutual effecting to become the complex pyrology system.

堆内溶液是一个具有均匀内发热源，并伴随有微小气泡均匀生成的自然对流和气泡驱动同时作用下的三维复杂两相流动的物系，气液两相流流场与传热温度场相互作用，产生复杂的热工水力现象。

In order to investigate the basic heat transfer characteristics of the platelet regeneratively cooled thrust chamber, the second chapter focussed on the developed flow and heat transfer in the long straight regenerative cooling channels with rectangular sections.

为了解层板再生冷却推力室在传热上的基本特征，第二章重点研究流动和热充分发展的矩形截面长、直再生冷却通道内的传热问题，建立了层板再生冷却推力室二维流固耦合传热过程的数理模型，采用通用形式控制方程描述冷却剂紊流传热和通道材料内导热的共轭传热问题，从而避免了流-固区域之间的反复迭代，大大缩短了计算时间。

To guarantee high quality,BRIGHTWAY has brought in a large batch of the latest advanced equipment from around the world such as omnipotent material tester,M/I index tester,heat deflection temperature tester,RoHS test equipment,aging property tester etc.All of the production processes are under strict control and supervision ofour experienced enginners. Density,flow index,hardness,tensile-strength,tensile stetch, bending strength, flexural modulus,impact strenght, mould shrinkage factor, heat deflection temperature, fibre glass contents, water absorption, combustibility will be tested strictly by the professional engineers.

为了确保产品的高品质，百莱威引进了大量国际新一代的先进设备，如万能材料试验机、M/I指数测定仪、热变形温度测定仪、RoHs检测设备、耐老化试验设备等等，并且所有的生产过程都受到了严格的质量控制，由经验丰富的专业工程师进行了密度、流动指数、硬度、拉伸强度、伸长率、弯曲强度、冲击强度、模收缩率、热变形温度、玻纤含量、吸水率、燃烧性能等十多项苛刻的评审和检测。

And has brilliant prospect due to its simple structure, good economy and energy saving performance.Based on the full scale passive solar experimental building in DUT, in which the researcher carried experiment as the main method and the CFD simulation as the minor method, the research focuses on passive ventilation formed by the Trombe wall. This paper analyzed the indoor thermo and humidity performance of passive solar building with Trombe wall, and the different ventilation patterns in different seasons, revealing the role of passive ventilation in improving indoor environment. Also the paper researched the characteristics of passive ventilation on air flow and heat transfer mechanicsms, and put forward the best control and adjusting method. Meanwhile the paper gained an empiric formula in use of calculating the natural convection heat transfer and found the key factor of influing the indoor environment.

本研究以被动式采暖降温技术为依托，采用实验和CFD数值模拟的研究方法，重点研究了新型被动式太阳房在不同气候条件下室内热湿环境的动态变化规律，分析不同季节下被动式太阳房内不同的被动式通风模式以及不同被动式通风模式在改进室内热湿环境方面的作用：揭示了特定被动式通风流动和换热特性、控制与预测方法；得到了计算被动式通风对流换热量的经验公式以及影响室内热湿环境的关键因素；了解了含有特朗贝墙体被动式太阳房的自身优势和仍待改进的方面；在实体大被动式太阳房实验技术方面积累了一定的经验。

In the following chapters, a set of three-dimensional mathematical models involving the heat transfer of the coolant turbulent flow and heat conduction coupling, which is applicable in engineering, was established according to currency N-S control equation, the SIMPLER algorithm in an unstaggered grid system, SMART scheme and k- e turbulence model are used in the flowfield ; The method of whole-field dispersed and solved are appled in the temperature field.

流场计算中，采用同位网格上的SIMPLER算法和低雷诺数κ-ε湍流模型，对流扩散项采用SMART格式离散；温度场计算中采用整场离散，整场求解。

It features a vertical structure with small flooring area to help flow and air discharge of heat transfer oil in the boiler tube and heat transfer oil cannot easily be coked.

立式结构，占地面积小，并有利于导热油在炉管内的流通及排气，导热油不易结焦。

The shell side of the rod baffle heat exchanger is so complicated that the flow field and enhanced heat transfer mechanism of the shell side cannot be commentated by the theoretical method.

折流杆换热器壳程结构复杂，用理论方法难以获得壳程流体流动和强化传热机理。

The basic flow patterns in the corrugated channel of plate heat exchangers is described by experimental data available. The corrugated inclination angle is of principal influence on performances of plate heat exchangers.

根据已有实验数据，阐明了板式换热器人字波纹通道中的基本流动模式以及波纹倾斜角对板式换热器性能的重要影响。

The basic flow patterns in the corrugated channel of plate heat exchangers is described by experimental data available. The corrugated inclination angle is of principal influence on performances of plate heat exchangers.

摘 要：根据已有实验数据，阐明了板式换热器人字波纹通道中的基本流动模式以及波纹倾斜角对板式换热器性能的重要影响。

The paper details the process flow of BROWDER process sulfuric-acid product ion, and characteristics of the gas heat exchanger between the waste-heat boiler and the convenor.

Browder公司，在硫酸工艺和设备设计方面具有丰富的经验，在世界硫酸设计行业中占有一席之地。

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。