What are the main functions of finned tubes in our life

Finned tubes are usually used to convert heat power equipment and increase the heat area. Many of our equipment are used in our life. Murphy's Intelligent image design is adopted to achieve better protection of the living environment.

Fin tube is the basic component of plate fin heat exchanger. Most of the heat exchange between cold and hot fluids is through fin tubes, and a small part is directly through baffles. In normal design, the heat transfer area of finned tube is about 67% - 88% of the total heat transfer area of heat exchanger. The connection between the finned tube and the baffle plate is perfect Xuan welding, so most of the heat is transferred to the laser welded stainless steel finned tube, through the baffle plate and the finned tube to the cold fluid. Because the heat transfer of finned tube is not as direct as that of clapboard, it has the name of secondary surface. 

The heat transfer efficiency of secondary heat transfer surface is generally lower than that of primary heat transfer surface. But without these basic finned tubes, it would be a simple plate heat exchanger without corrugation. The heat exchanger without finned tube and finned tube has been tested by the University of California and the emz Aeronautical Laboratory. The results show that the volume of the heat exchanger without finned tube is reduced by more than 18%. If the designed fin tube efficiency is 70%, its weight can be reduced by 10%. In addition to the main task of heat transfer, finned tube also plays a role of strengthening between the two diaphragms. Although the material of fin tube and diaphragm is very thin, the strength of the unit is very high and it can bear high pressure.