| 1. | It is difficult to explain these characteristics by the plate tectonic theory based on the heat convection in earth mantle
想用板块构造理论解释遍布大陆地块内部的褶皱构造，在形位特征与动力机制上都有难以解决的矛盾。 |
| 2. | When insulating glass is incline installation , because of the molecule ' s upright moving route is shorten , the heat convection & conduction is increase in vertical direction
当中空玻璃倾斜时，由于上下方向的分子运动路径缩短，垂直于玻璃方向的对流热传导增加。 |
| 3. | The modified model took into account not only the coupled heat transfer of conduction , convection and radiation , but also the heat convection between each zone caused by temperature difference and airflow
该模型综合了墙体热传导、壁面对流热交换以及内部控制体之间的对流热交换过程。 |
| 4. | Inside of insulating glass installed upright , because of the gas molecule ' s upright moving route is longer than transverse moving route , the heat convection & conduction is less in vertical direction of glass
当中空玻璃倾斜时，由于上下方向的分子运动路径缩短，垂直于玻璃方向的对流热传导增加。 |
| 5. | In structure of the heat mirror , because of the heat mirror film block off gas molecular moving route in upright direction , the heat convection & conduction are decreased in vertical direction of the glass
在热镜结构中由于热镜薄膜阻挡了气体分子上下运动的路径，垂直于玻璃方向的对流热传导显著降低。 |
| 6. | So if there is any difference of coefficient of convective heat transfer between this two boundary condition ? both numerical simulation and experiment were adopted to research ducted heat convection
探讨这两种边界条件下管内外的对流换热系数的差别及相应的对应关系对于换热设备的设计具有重要的意义。 |
| 7. | In the simplified mathematical modeling , fins are taken as equivalent solid layer with nonisotropic thermal conductivity , and heat convection between fins and cooling air is considered as internal source
对2种飞机环控系统电子设备冷却用冷板进行了实验研究，测量了不同雷诺数、不同热源分布情况下冷板的表面温度分布。 |
| 8. | At the same time , according to the similarity theory and dimension analysis , this research has accomplished the heat convection experiment , and has gotten the calculation method of heat convection coefficient of drum brake
并在相似理论和量纲分析理论的指导下，进行鼓式制动器对流换热实验，得出鼓式制动器对流换热系数的求解公式。 |
| 9. | On the basis of the constitution and work principle of general drum brake and the heat transfer theory , the friction heat , the heat convection and the radiation recuperation of drum brake are analyzed detailed , and then the mathematics model of temperature rise calculation is built
在对目前常用的鼓式制动器结构和工作原理进行分析的基础上，结合传热学的理论知识，详细研究了鼓式制动器的摩擦生热过程、辐射换热过程和对流换热过程，建立了其温升计算的数学模型。 |
| 10. | The end show that coefficient of convective heat transfer at thermal boundary condition is higher than that at definite heat flux boundary condition . if according to dimensionless equation of heat convection , nu number of the latter almost is mutiplied 1 . 47 times of the formal , but the coefficient of convective heat transfer in tube between this two condition is almost equal
研究结果表明:在实验室中电加热方式得到的管外对流换热系数低于工程中传热条件下的管外对流换热系数,若按传热准则式关系,后者的努谢尔特数约为前者的1 . 4倍;而管内的对流换热系数在两种边界条件下的差别不大。 |
