释义 [化] 对流传热 实用场景例句 全部 The heat transfer by convection in vacuum insulation of steel jacketed heating pipeline is not neglectable. 计算真空层压力处于中、低真空下的真空保温管道的换热时不应忽略真空层中的对流换热. 互联网 释义 实用场景例句...
1、Convection As mentioned earlier, there are three mechanisms of heat transfer: conduction, convection, and radiation. Conduction and convection are similar in that both mechanisms require material medium, but the difference is that convection requires the presence of fluid motion. And heat transfer ...
This phenomenon causes heat transfer through the walls of the guide tubes. The flow inside of guide tubes is driven by natural convection due to the high temperature difference between the pressurizer water and the reactor coolant, and by the presence of the holes. The amount of heat transfer ...
传热英文讲义-热对流 heat transfer-convection 下载积分: 1600 内容提示: FurtAlthbe pNewor Wheh =A s =Ts =? ? =ConbetwThether readinghough, convproportionawton’s law ere convection heat transf= temperatu= temperatunvection heween a solie convectiog about convection is coal to the temof ...
传热学-第五章 对流换热(Convection Heat Transfer)
Although, convection is complex,the rate of convection heat transfer is observed to be proportional to the temperature difference and can be conveniently expressed byNewton’s law of coolingas (W/m2)(x.1) or (W)(x.2) Where h= convection heat transfer coefficient,W/m2·oC ...
the convection and heat transfer 青云英语翻译 请在下面的文本框内输入文字,然后点击开始翻译按钮进行翻译,如果您看不到结果,请重新翻译! 翻译结果1翻译结果2翻译结果3翻译结果4翻译结果5 翻译结果1复制译文编辑译文朗读译文返回顶部 的对流和热传导 翻译结果2复制译文编辑译文朗读译文返回顶部...
During recent years considerable effort has been directed towards the study of complex body forces whereby convective heat transfer rates might be increased. In natural convection, the interaction of non-homogeneities of density field with body force produces convective motion. Space related technologies...
2.12.2.2Convective Heat Transfer In contrast toheat conduction, energy transport byconvective heat transfergoes along with an actual material flow. This flow can be introduced in two ways. First,free convectionshappen due to density differences that finally result from a temperature gradient, creating...
The article discusses the concept of heat and mass transfer. There are three modes of heat transfer, which occurs due to temperature difference, including conduction, convection and thermal radiation. Energy conservation and maximum entropy are the two laws of thermodynamics. It notes that the rate...