传热

After a simple retrospect of the development and application of the heat pipe, the working elements and the history and the actual state of the investigation inside the thermosyphon, a numerical model based on the previous experimental and theoretical studies is developed to simulate and analyze the process of the flowage and heat transfer in the condensator of the two-phase closed thermosyphon.

本文首先简单回顾了热管的发展及应用情况，介绍了热虹吸管的工作机理及其内部凝结换热的研究历史和发展现状，然后在前人实验和理论研究的基础上提出了本文的研究方向，建立了一个数学模型，对两相闭式热虹吸管冷凝段的流动和传热过程进行了数值模拟和理论分析。

It shows to design the condensator of the absorbing solar air condition,and analyse the influence of the heat transfer coefficient by the space between the wing,thickness of the wing,diameter of the tube and the grouping number,in order to achieve the optimizational design,It make the design process celerity and briefness,and make it that the influence other parameter brings more evidence.

对吸收式太阳能空调中的冷凝器进行了设计计算，并对其结构如翅片间距、翅片厚度、管直径、分组数等因素对传热系数、管内压降的影响进行了分析，以达到最优化的设计，本文运用Excel强大的图表和函数计算功能，使计算过程快速、简捷，并可以看到每个参数的变化对其他参数的影响，提出了使用于Excel计算冷凝器设计计算方法，避免了复杂的编程过程，为新型环保制冷机的设计优化提供一定的参考。

In this dissertation, an inverse heat conduction method has been proposed to determine the heat transfer coefficient.

本文针对这一现实的困难，提出了用反传热法来测算换热系数。

The rate of heat transfer for a material is called its coefficient of thermal conductivity.

在传热率的材料被称为它的导热系数。

In this paper, the frictional characteristics and thermal performance are analyzed for the frictional transmission of cylindrical and conical surface, and the breakage cause of frictional materials is analyzed by tribology and heat transfer principle.

本文对圆柱面和圆锥面的摩擦特性及热性能进行分析，利用摩擦学原理及传热学理论，分析了摩擦材料的损坏原因，并提出了合理解决对策以及两种摩擦副的特点。

Cylindrical Surface Conical Surface Tribology Principle Heat Transfer Principle

圆柱面；圆锥面；摩擦学原理；传热学原理

According to the shortage of conventional analyze methods, the conjugate indoor heat transfer field is systematically analyzed, and the conjugate solving method of building envelope heat conduction and indoor airflow field is founded.

根据传统分析方法的不足，系统分析共轭传热室内流场，建立建筑围护结构传导与室内流场耦合求解方法。

The conjugation effect of liquid flow and heat transfer are considered in this paper, therefore, good simulation results could be obtained.

本研究考虑了流动与传热的耦合作用，符合实际，故能获得较满意的模拟结果。

Conservation, College of Environmental and Energy Engineering,Beijing University of Technology,Beijing 100022,China

北京工业大学环境与能源工程学院，传热强化与过程节能教育部重点实验室，北京 100022

The objective of this course is to introduce some fundamental concepts and solution methods of heat transfer considering the conservation of momentum , energy and mass.

高等传热学是一门理论基础课，为我院各专业后续相关专业课程学习及今后的研究工作打下坚实的理论基础。

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。