传热

Finally, in consideration of the interfacial interaction between liquid and solid, a new model for dropwise condensation heat transfer was proposed by using the population balance concept and considering the effect of surface topography and contact angle.

最后，针对液固界面相互作用对滴状冷凝传热的影响，以液滴数平衡概念为基础，考虑表面形貌和表观接触角对冷凝传热的作用，建立了新的滴状冷凝传热模型。

Market forecasting: Our company is the first to produce enamel heat-transfer elements gilled heat-transfer elements used for the cold ends of rotary air forewarmer in big electric power plants,and enamel light pipe heat-transfer elements used for the tubing or box-type air forewarmer in small-sized electric power plants,are both made in our company .Our products are used in over 40 electic power plants of our country and exported to Japan、 Viet Nam、 Pakistan etc.

市场预测：我公司是国内第一家搪瓷传热元件生产厂家，大型电厂的回转式空气预热器冷端所用的片式传热元件和小型电厂管箱式空气预热器所用的搪瓷光管传热元件均为我公司生产，已在全国40多家电厂采用，并出口到日本、越南、伊朗、巴基斯坦等国家。

It was shown in our experiment that boiling heat transfer coefficient of forced liquid nitrogen flow in lunate channel is 3～5 times larger than that in smooth tube.

狭缝强化传热是一种新兴的强化传热技术，它具有温差小、传热效率高的特点。

The longitudinal vortex generator is a new technique of enhanced heat transfer,this paper presents the effects of the longitudinal vortex in horizontal rectangled duct on the heat transfer coefficient and pressure drop.

纵向涡是一种新型的传热强化技术，其传热性能好，安装方便，使用可靠。以数值计算方法分析了在常壁温条件下纵向涡对换热器的传热性能以及流动阻力的影响。

In actual reactors, the cooling condition outside the hexcan-wall of blocked fuel subassembly is analogous to its counterparts in the SCARABEE BE+ experiments. The upward and downward heat transfer could be neglected, while the radial heat transfer plays a key role in slowdown the accident scenario. As time goes on, the dominant radial heat transfer mechanism is liquidus sodium convection at first, and then gradually transforms into sodium condensation near the inner surface of the hexcan-wall, and finally becomes volume heated boiling pool convection.

对实际快堆中发生全堵的燃料组件而言，其外部的冷却条件与SCARABEE BE+系列实验非常相似；2）堵流组件向上和向下的传热可忽略不计，径向传热对事故有较强的延缓作用；3）随着时间推进，径向传热的主导机理依次为液态钠单相对流、钠蒸汽在组件盒内壁冷凝、体热源沸腾池散热。

The conclusion of three burning methods mentioned above during the heat storage period is that the first method is the best one, which is propitious to keep higher blast temperature because of the heat exchange in the middle and blow of hot blast stove has been aggrandized through convection heat transfer caused by the added exhausted air quantity and increased flow rate.

以上三种燃烧制度，在蓄热期：第1种因废气量增大，流速加快，利于对流传热，强化了热风炉中下部的热交换，利于维持较高风温，第2种因废气量减少，不利于传热和热交换的强化，不利于维持较高风温，第3种由于废气大量减少，流速降低，传热减缓，蓄热量较少，不利于提高风温。

Surface tension effects on condensate retention angle and condensation heat transfer coefficient of carbon dioxide were studied.

综述了水平低翅片管外凝结传热的基本模型，阐述了二氧化碳制冷剂的物性特点，讨论了表面张力与凝液滞留角及二氧化碳管外凝结换热系数的关系，分析了翅片密度、环形翅片管尺寸对翅片效率、滞留角、凝结换热系数以及传热增强比的影响，优化了外翅片管的齿高与齿距，并求得相应的强化传热增强比。

In this paper, research is focused on the heat and mass transfer features during absorption process on the two-scale corrugation plate surfaces of plate-shell heat exchangers. This new Kind structure has vertical large corrugations and horizontal small ones, which can enhance the convection heat transfer of cooling water at internal plate channel side and make the liquid falling film uniformly distributed and turbulent by twisting path, so that the heat and mass transfer characteristics at both sides can be enhanced while sufficient flow area for adequate resistance requirement is also met.

本论文围绕一种新型交叉双尺度波纹板片组成的板壳式吸收器进行研究，这种新型传热元件的相邻板片的竖直大波纹相顶靠，形成曲折的板内通道和菱形板外通道，可强化板内侧冷却水的对流传热，而其水平小波纹则可对布膜的溴化锂浓溶液和冷剂蒸汽产生连续的扰动，使液膜分布均匀，传热传质得到强化。

Based on the principal of heat transfer, this paper presented new concepts of characteristic factors of the heat transfer of drying room structure, and performed the unsteady measurement of the heat transfer coefficient and the equivalent parameter of retaining heat.

依据传热的基本原理，提出分析干燥系统室体结构传热特性的特征参数新概念，实现了干燥室隔热体传热系数的非稳态测量，并可同时确定蓄热当量系数。

In the paper, we investigate, respectively, the unsteady transport properties of heat and moisture in enclosure under constant wall heat flux and constant wall temperature when porous particles are small and Darcy number is lower, the effect of conductivity ratio, heating conditions and other parameters on the heat transfer rate of enclosure when particles are larger and Darcy number are higher.

并分别对多孔颗粒较小时的低Da数封闭腔内的非饱和渗流与传热，及颗粒较大的高Da数封闭腔内的非饱和自然对流行为进行了数值模拟，研究了低Da数时湿分与热量在恒热流与恒壁温条件下的非稳态传递特性，高Da数时封闭腔的传热与流动特性、达西效应以及导热比、加热条件等对空腔传热系数的影响。

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。