传热

The mathematical model for two-phase flow and heat transfer of wet steam in exhaust pipe for a 600 MW power generating unit with direct air cooling is established.

建立了600 MW发电机组直接空冷排汽管道内湿蒸汽两相流动和传热的数学模型。

The heat transfer coefficients of the direct air-cooled condenser under various operating conditions are of the most important basic parameters for the optimal operation of the steam power unit, which can be used to determine the heat transfer capability of the cooling system, and in further, to acquire the influences of the operating parameters and environmental conditions on the exhaust steam pressure.

不同工况下直接空冷机组空冷凝汽器的传热系数，对确定机组冷端的热负荷能力、进而确定环境条件和运行参数与机组排汽压力之间的关系具有重要意义，是进行机组优化运行最重要的基础数据。

Finally,the drawbacks of the present device were alow inventory rating and alarge power consumption,against which acommercial test increasing the inventory rating and slowing down the speed of agitator was carried out.From the viewpoint of chemical reaction engineering,the conclusion that it is necessary to increase the area of heat transmission and to improve the agitation condition in order to obtain the expectative content of antioxidant 1010within the specified time was drew.

4针对现装置的投料量过低、锚框式桨的桨转速偏高和功耗过高等缺陷，通过增加投料量和降低转速的工业试验，并根据化学反应工程的原理，发现了"在规定的反应时间内，增加投料量，抗氧剂1010要达到预期的含量，必须相应增加传热面积、改善搅拌"的重要结论，纠正了以往"搅拌为决浙江大学硕士学位论文(2005)定反应效果的唯一因素"的错误观点。

Faster heat transfer, fever uniform, work and stability.

传热快，发热均匀、工作稳定。

SIMPLER method is applied in this paper to calculate temperature field, speed field and gas concentration field of molten glass, providing model solution.

本文以玻璃熔窑液流运动和传热模型为例介绍了数学模拟在工业炉上的应用，并采用SIMPLER算法计算了玻璃液的温度场、速度场和气体浓度场，给出了模型求解得方法。

This paper sets up the mathematic model of heat transfer and oil flow, and finishes the calculation of oil flow distribution and temperature field of winding in large natural oil circulation power transformer with oriented cooling structure.

本文建立了传热与流动数学模型，完成了大型自然油循环导向冷却方式变压器的油流分布和绕组温度场计算。

The other solves the non-steady heat conduction equation by finite difference method.

发展了两个太阳能固体吸收式制冰机的动态模拟程序，差别在于对反应器内的传热过程采用了不同的计算方法，其一采用反应前锋假设，其二采用有限差分方法求解非稳态的热传导方程。

The rationality of the boiler fire tube is very important to enhanceing the heat transferring efficiency.

锅炉的火管结构是否合理对提高锅炉的传热效率有着非常重要的作用。

The motion of phase interface,the temperature distribution and the thermal storage time of the cool storage slab under the first boundary condition were obtained.

相变传热问题的难点由于在求解域中存在一个随时间变化的两相界面，且在界面上物质会吸收或放出潜热。

The ice flaker evaporator processed from special alloy with lightness and high heat conduction efficient approximating that of Aluminum.

l 高热导系数的合金材料，几可达到铝的传热效能

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐