| 1. | Analysis of heat transfer and effective thermal conductivity of high temperature fibrous insulation for thermal protection system 热防护系统高温纤维隔热毡传热及有效热导率分析 |
| 2. | 2 . the thermal conductivity of composite will increase with the increase of interfacial thermal conductivity , and increase more quickly when interfacial thermal conductivity is lower . 3 复合材料的有效热导率随着界面层热导率的增加而增加,且界面层的热导率较小时增加的较快,而界面层的热导率较大时较慢。 |
| 3. | A new micromechanical method , the weighted residual self - consistent scheme ( wrscs ) is developed to study the thermal conduction of two - phase composite with arbitrary geometry of particulates 本文介绍一种新的微观力学方法? ?加权残值自洽方法(简称权残自洽方法) ,用于研究含任意夹杂形状的颗粒增强复合材料的有效热导率。 |
| 4. | Examining results corresponding to different particulate geometry , it shows that the effective thermal conductivity not only depends upon the volume fractions and the properties of components , but also depends on the particulate geometry 对含有其它形状夹杂的复合材料的计算结果表明,复合材料的有效热导率不仅仅依赖于夹杂相的体积含量及组分性质,还与颗粒的几何形状有关。 |
| 5. | The average thermal intensity inside the particle is obtained based on the solution of the temperature field inside the particle . the effective thermal conductivities for composites with different particulate geometry are calculated by using the prediction formula 在求解颗粒复合材料不同形状夹杂内温度场的基础上,进而求解其夹杂相的平均温度梯度,利用有效热导率的预测公式,对含不同形状夹杂的复合材料进行数值计算从而得到其有效热导率。 |
| 6. | In this paper , finite element software ansys is used to simulate the thermal conductivity and pressureless infiltration technique is used to produce aluminum infiltrated silicon carbide composite with high volume fraction of sic . the influence of interfacial thickness and temperature on thermal conductivity and cte have been investigated and analysed 本文采用有限元软件ansys对铝渗碳化硅复合材料的有效热导率进行了数值模拟,用无压浸渗法制备了高体积分数的铝渗碳化硅复合材料,研究了界面层厚度和温度等对铝渗碳化硅复合材料的热导率和热膨胀系数的影响,并进行了分析。 |
| 7. | In the wrscs , the self - consistent model is used to describe the complex configurations of the particulate composite and the temperature field is solved by weighted residual collocation method with some proper simplifications . this method provides a more efficient way of setting up the algebraic equations corresponding to the governing differential equations . the prediction formula for the effective thermal conductivity of the composite is obtained 权残自洽方法可以用于描述不同形状夹杂的复合材料的微观结构,通过对不同几何形状角点做适当的圆弧化处理,采用加权残值数值计算方法的配点法将求解微分控制方程变为求解线性方程组,进而得到任意形状夹杂内部的温度场,建立含不规则形状夹杂的复合材料有效热导率的预测公式。 |