传热

The main contents of the present paper include: 1、The mechanism of fouling accumulation and the effects of fouling and slagging on boiler performance are analyzed. The model of fouling increasing is developed on the basis of sediment rate and denudation rate. The fouling monitoring models for boiler furnace and convective sections based on heat balance, the ones for air heater based on converted pressure difference are given. The implement results show that these models can reveal the cleanliness of boiler heat transfer surface. 2、The disadvantages of the model for boiler furnace fouling and slagging monitoring based on heat balance are discussed, and the calculation of radiant heat flux is considered as the primary difficulty.

主要包括以下内容： 1、分析了锅炉受热面污染形成的机理，从灰污的沉积率和剥蚀率角度出发，推导了受热面灰污增长的基本模型，分析了灰污热阻随积灰时间和烟气流速变化的规律，并通过大量现场试验，得到了沉积常数与时间常数的取值范围； 2、针对炉膛、对流受热面和空气预热器等不同受热面的传热特性，分别建立了基于热平衡和折算压差的污染在线监测模型，经实践验证，其监测结果能够满足现场工程应用的精度要求； 3、分析了基于热平衡原理的辐射、半辐射污染监测模型的不足之处，指出了机理模型因对炉内辐射换热量计算不准确，导致对以辐射换热为主的炉膛和以半辐射半对流的屏式过热器监测效果不够理想。

It has been applied to the quantitative analysis of the relationships between the heat flow strength and the thicknesses of hearth wall and slag skull.

建立了高炉炉缸传热的数学模型，这一模型可精确地分析热流强度与炉墙及渣皮厚度之间的定量关系。

Single particle heat transfer characteristic has a great influence on ignition and combustion of coal particles in FBC boiler.

单个颗粒的传热过程对于燃煤流化床锅炉中煤的着火和随后的燃烧过程具有重要的影响。

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。

The high temperature experiment on heat transfer from the single tube or tube bundle in fluidized bed

高温流化床内单根水平埋管或错排管束表面局部传热特性的实验研究

In this dissertation, the shaft furnace is taken as the study object, the phenomena in the furnace, such as momentum, heat and mass transfer are researched progressively through model experiment and numerical simulation.

本论文以竖炉为研究对象，对竖炉内的气体流动、传热和化学反应等现象进行了逐步深入的理论解析和研究，并对COREX尾气竖炉工艺进行了计算机模拟与仿真的研究。

The pilot-trial technological recipe and process character of SB polymerization was emphatically analyzed. On the base of the considering of the industrialization of normal SB later product, the constant unit volume power was mainly selected as a rule to scale up the polymerization reactor during the industrialization of SB latex as cement additive.

着重分析了水泥专用丁苯胶乳的中试工艺配方和流程特点，在结合常规丁苯聚合工业放大规律的基础上，提出了采用以相同单位体积功为主的放大准则对水泥专用丁苯胶乳的聚合过程进行了工程放大试验，着重考察了搅拌转速、搅拌桨形式和内冷构件等因素对聚合过程稳定性和成品胶乳性能的影响，并分析讨论了20m3工业聚合釜的传热可行性问题。

Electroslag refining ; thermal characteristics ; heat fluxs meter ; temperature distribution.

电渣重熔；传热特性；热流计；温度分布

Results indicate that when the fiber is cooled in air(the heat transfer coefficient is 10 W·m-2·K-1),fiber lasers maximum output power is 105 W.

计算结果表明：自然对流的情况下，对流传热系数为10 W。 m-2.K-1时，光纤激光器的最大输出功率为105 W

In vacuum: PHP heat transport performance was very bad when took the top heat input way.

抽真空条件下：采取顶部加热方式的实验中，脉动热管传热性能很差。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。