传热

It involved cast theory, solidification theory, diathermanous science, engineering mechanics, numerical analysis, computer graphics and so on. It is a synthetic and complex major.

它涉及到铸造理论、凝固理论、传热学、工程力学、数值分析、计算机图形学等多种学科的交叉知识，是一门综合性的复杂的学科。

From energy balanceequation, using micropiece analytical method, heat balance equation for high power fastaxial gas flow CO2 laser tube is established.

从能量守恒定律出发，分析了快速轴向流动激光器放电管中的传热情况。采用微元分析法建立了快速轴向流动激光器放电管的热能平衡方程。

The approximate solution is used to estimate the performance of concentric annulus.

因此，用于冷却的表面传热系数应在Bi数小于10的范围内选取。

Finally,it is indicated by the approximate calculation that thermal transfer coefficient for the mode Ⅰ is 2 times higher than mode Ⅱ.

通过近似分析表明，模式Ⅰ的空心砖传热系数是模式Ⅱ的3倍多。

Heat transfer analysis of the ground and aquifer involves complex problems in such a case.

单井回灌地源热泵系统是一种高效、环保的新技术，但其涉及的地下水流动和传热问题相当复杂。

The design project of refrigerating and vacuum system of the test-bed for heat tube in artificial satellite was introduced.

介绍了能满足卫星环境要求的热管传热试验台的制冷与真空系统的设计方案，提出了一种采用液氮制冷和分子泵抽真空系统的方案。

And it establishes the math model of astatic heat transfer around the digester fermenting. The math model is dispersed by the use of control volume integration. Then, it presents composing of the experiment system and preparing of the experiment devices. It analyses the data of steady operation in summer and in winter. Through analysis, we can know the change condition about the soil temperature around the digester fermenting、the temperature of solution and heat-transfer content.

在实验方面，介绍了实验系统的组成和设备的选取准备，并选取实验中夏季和冬季运行比较稳定的两段时间，进行数据分析处理，通过分析可知沼气池周围土壤温度、料液内温度以及换热器加热量的变化情况，同时，还计算出了钢管换热器的传热系数。

Suggests that selection of the backfill materials should base on both its influences on the heat transfer performance of GHE and its economic efficiency.

建议在选择回填材料时，应在考虑其对地埋管换热器传热特性影响的基础上，进一步考虑其经济性。

Founds three-dimensional analytic model and analyses heat transfer with phase change with the help of numerical simulation software using Euler backward difference.

通过实验分析了冰水两相流在垂直和水平管道流动时的压降特性；建立了冰融解的三维分析模型，采用欧拉向后差分法，利用ANSYS数值模拟软件对冰水相变传热进行了数值模拟分析，得出冰粒大小与融解时间两者的关系曲线。

The reason of white band formation in the solidified shell in the mold has been studied by means of water modeling test and the analysis of the solidified microstructure of practical CC slab an.

为了定量把握结晶器中的钢水流动、钢水过热度及结晶器传热阻力对初期凝固坯壳的凝固不均一的影响，利用水冷铜板的浸渍实验，测定了各种铸造条件下的凝固坯壳厚度、凝固不均一度及树枝晶偏角；利用水力模型实验，并对实机铸坯的凝固组织分析，EPMA对负偏析带的线分析，得出了在结晶器中凝固坯壳上负偏析带的产生原因。

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。