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词汇 Countercurrent exchange system
分类 英语词汇 英语翻译词典
释义

Countercurrent exchange system

英语百科

Countercurrent exchange

(重定向自Countercurrent exchange system)
Counter heat current exchange: Note the gradually declining differential and that the once hot and cold streams exit at the reversed temperature difference; the hotter entering stream becomes the exiting cooler stream and vice versa.
Three topologies of countercurrent exchange systems
Cocurrent and countercurrent exchange mechanismsThe magnitude of the property to be exchanged, is represented by shading. The direction of transfer across the barrier is from the greater to the lesser magnitude..
Cocurrent and Countercurrent heat exchange

Countercurrent exchange is a mechanism occurring in nature and mimicked in industry and engineering, in which there is a crossover of some property, usually heat or some component, between two flowing bodies flowing in opposite directions to each other. The flowing bodies can be liquids, gases, or even solid powders, or any combination of those. For example, in a distillation column, the vapors bubble up through the downward flowing liquid while exchanging both heat and mass.

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