So as to increase the heat transfer area. The finned tube evaporator is made of seamless copper tube with an outer diameter of 12.5 mm (1/2 inch) and aluminum fins. Enlarge the pipe diameter by mechanical method, so that the outer wall of copper tube is close to the fin. ...
www . ahlengku . com 20 13-05- 13
Rib _ Baidu encyclopedia
1. Composite heat transfer (including convection heat transfer and radiation heat transfer);
2. The heat flow changes continuously along the direction of heat conduction and heat flow transfer.
It is defined as the ratio of the actual heat dissipation of the fin to the maximum possible heat dissipation when the whole fin is at the temperature of the rib base.
Introduced function
Rib efficiency
App application
Baidu baike
Refrigerant is taken in the tube, why should fins be added? Cheese answer
The principle of air conditioning refrigeration refers to the principle of air conditioning refrigeration operation. After the air conditioner is electrified, the low-pressure vapor of the refrigerant in the refrigeration system is sucked by the compressor, compressed into high-pressure vapor, and discharged into the condenser, so that the indoor air circulates continuously. ...
Cheese answer 2022-04- 16
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Why does the copper outer edge of the evaporator have fins?
Therefore, the outer wall of the evaporator tube of the cold dryer (that is, the side in contact with compressed air) should take measures to increase the area and strengthen heat transfer, and adopting toothed copper tube or finned tube is an effective way to achieve this goal.
Cheese answer
Should the coil of evaporative condenser adopt smooth tube or finned tube-refrigeration technology center?
For many years, smooth tubes (smooth surfaces) and finned tubes (ribbed surfaces) have been used for the coils of evaporative condensers. The advantage of bare tube is that it is easy to remove scale, but under the same heat transfer, the equipment using bare tube is bulky. ...
www . ahlengku . com 20 13-05-07
The refrigerant in the tube, why should we add fins _ Baidu knows.
Answer: 2
Heat transfer φ=KA△t(K is the heat transfer coefficient, which is related to heat transfer materials such as copper and aluminum; A is the heat transfer area, and△ t is the temperature difference). For pipes with the same material, adding fins is equivalent to increasing the heat transfer area, thus increasing the heat transfer. That is, better heat transfer. thank you
Baidu knows 20 19-09-03.
Description of Structure Form of Evaporator Condenser of Air Conditioning _ Home Appliance Maintenance _ Electrician's Home
Improving their heat exchange efficiency can obviously reduce the weight, volume and manufacturing cost of air conditioners. The evaporator and condenser of the room air conditioner are now double-tube structures, and aluminum fins are sleeved on copper pipes. ...
Electrician's House 20 15-07-20
Finned tube evaporator
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The swordsman Baba 20 17-09-20
Function of heat exchanger fin _ cheese answer
First of all, the heat exchange capacity of the heat exchanger is the total heat released per unit time = the total heat absorbed. When two substances with different heat flux exchange heat, the heat exchange area is increased because of the fins on the side with relatively low heat flux. ...
Cheese answer 202 1-04-02
Evaporator _ chemical instrument network, one of the important components of temperature test box.
The liquid working medium enters the tube from the upper part of the coil, the evaporation process from liquid to gas is completed in the coil, and the return air flows out from the lower part of the coil. Fins are installed outside the coil to enhance the heat transfer effect. In order to improve the cooling efficiency, double-channel evaporation coil is sometimes used, as shown in Figure 2.53b). ...
China Chemical Instrument Network
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