In the end , choosing pcm , design calculation and assembly of the radiator are described in details . mathematical model on heat transfer of the lhtes radiator is attempted to establish . it also explains the result of the comparison between curve acquired by experimental data and the one from model 最后从相变材料的选取到电暖器蓄热与传热的设计计算、电暖器自控电路的设计，以及电暖器的最终装配，都做了比较详尽的叙述。
The concept of ghe efficiency is also introduced to discuss the effect of ghe construction parameters on its performance , especially that of thermal short - circuiting in the two branches of the u - tube . the geothermal heat exchangers often consist of a number of boreholes 通过引入了地热换热器钻孔内效能的概念，从理论上定量分析了钻孔内各项参数、尤其是两支管之间的热短路对传热的影响，为地热换热器的优化设计奠定了理论基础。
Analysised the cross - experimental results and found the fittest way of various constructs to get the highest value of the thermal performance factor . gave the theorith analysis of the mechanism of enhancement of heat transfer . and point out the optimize way of the fin 得到了肋叉排列三维内肋管在以上三个流态区间内，达到热力性能系数最佳时的结构组合方式，并对强化传热的机理进行了理论分析。同时，指出了肋形结构进一步优化的方向。
The direct root - finding method , as a conventional method for analyzing transient heat conduction of wall , will produce much inevitable problem such as root - missing and low efficiency . at all times , people quested for more efficient and simple method to analyze its dynamic heat conduction 传统的分析墙体不稳定传热的方法?直接求根法存在失根、效率低下等诸多问题，一直以来，人们不断寻求更加简单、更高效率的方法来分析其动态传热过程。
Using stable heat transferring theory , a thermo hydraulic model has been built , which has considered the influence of the core temperature and cooling hydrogen temperature . and bring forward a modifying method , which let the model can be used in the varying winding current condition 在此基础上本文提出了温度传递延时的修正方法，使基于稳态传热的温度水力模型可以应用到定子电流发生变化的情况，解决了定子电流变化时模型精度差的问题。
The solid - liquid phase change is an important research subject of the engineering thermal physics and main foundation of evaluating the cold storage containers , so to have a deep research is benefit to strengthen the heat transfer of that and to have an important theory meaning 固液相变研究是工程热物理学科研究的重要内容，也是评价蓄冷装置性能的主要基础。因此，对之进行深入研究，不仅有利于蓄冷装置强化传热的实用技术的发展，而且也具有重要的理论价值。
Uses aluminum foil as the heating transfer carrier , clings electrifying heating linear component or other shape components to aluminum foil and consequently makes into electric heating groupware . usually the needed temperature is obtained by controlling power density , insulating materials and working heat dispersion conditions etc 用铝箔作为传热的载体，将加热线通过辅助粘合剂粘合在铝箔上，组成的片状加热器，从结构上可分为双层铝箔粘贴型单层铝箔热熔型。
In this paper , recent development of condensation heat transfer of alternative refrigerants inside tubes are reviewed , including the comparison of heat transfer characteristics between alternative refrigerants and original refrigerants , the influence of lubricants on heat transfer and the enhancement of condensation heat transfer 本文回顾了国内外替代制冷剂管内冷凝换热方面的研究进展，包括各种替代制冷剂与原制冷剂的传热性能对比、润滑油对传热的影响、冷凝换热过程的强化。
For a soil or rock of water - lacked , a heat transfer theoretical model is developed , which is a steady or unsteady , the results show that reservoir temperature , thermal diffusion coefficient , inlet temperature , flow rate of and run time of ground source heat pumps have an effect directly on heat transfer process of dhe . it can deduce that intermit running is favorable for this type of soils and rocks 对于贫含水地下岩土层建立了稳态与非稳态传热的理论模型，分析结果表明，岩土层的热储温度、导温系数、埋地换热器进水温度、流量以及地源热泵系统的运行时间或开停机比，都对埋地换热器的传热过程产生直接影响，可以推断，对于该类型岩土层的地源热泵系统，采用间歇运行将是有利的。
In this paper , high heat penetration into a moving particulate bed is described mathematically with a comprehensive heat and mass transfer model . the distribution of gas velocity and pressure , the temperature field of gas and solid in the moving particulate bed are examined for different conditions . the results show that thermal penetration into the moving packed - bed particles by fluid flow in porous media is high only in the position near the gas entrance . the thermal penetration thickness tends to increase with the fluid flow velocity and decrease with the particle moving velocity . in the region of thermal penetration , the porosity of solid bed has significant effect on gas field and pressure loss . it is feasible to reduce the gas pressure loss by a larger width / height packed bed in design and operation . the correspondence between thermal infection depth and particle bed height would be helpful to keep high oapacity of reactor and reduce the cost of operation 针对移动颗粒床中物料层内的高温气体渗流传热现象，考虑渗流与传热的相互作用，采用局部非热平衡假设建立了多孔介质渗流传热物理数学模型并进行了数值计算.研究了不同情况下床内填充多孔介质中的流速、气固温度和床层压力损失.计算结果表明，高温热气对移动床颗粒料层的热渗透主要发生在渗流入口端区域，增大入口渗流速度以及减小床层物料下移速度将导致物料温度沿床高慢速下降，热渗透深度扩大，热渗透作用区域内的物料温度水平提高.在热渗透作用区域，孔隙率对流场和压力损失有很大的影响.研究结果对于移动颗粒床反应器的设计与运行具有一定的参考作用
