The analytical expressions of heat transfer coefficient(HTC)were induced.
分析了金属凝固过程中界面热传递的 4个阶段及在各阶段热传递的机理 ,推导出界面热传递系数在各个阶段的表达式。
In order to achieve an effective control of the heat transfer coefficient(h_q)(between) microsphere and furnace atmosphere in the fabrication of hollow glass microsphere by sol-gel technology,the effects of component percentage,temperature and(total) pressure of gas mixture on h_q are studied.
为实现干凝胶法制备空心玻璃微球工艺中载气与微球间传热过程的有效控制,建立了载气与微球之间综合热传递系数的计算模型,研究了载气环境参数(组分、温度和压力)和微球几何参数(直径和壁厚)对热传递系数的影响。
The calculative method of heat transfer coefficient between ice cover and water is analyzed considering the heat balance at ice bottom firstly.
首先讨论了通过冰盖底面的热量平衡来计算冰水间热传递系数的方法,并利用—冬季辽 19971998 东湾海域定点观测的气象、水文和海冰资料,对冰水间的热传递系数进行了计算。