Heat Transfer Performance Air Conditioning Condenser Louvered Fins
21*12.7mm
Product description:
The function of Louvered fins
In heat exchangers, the fins themselves play a critical role. They
provide the extended surface area needed to achieve effective heat
transfer between a gas on the finside and a fluid on the tubeside.
Fins are typically made from aluminum, copper, or steel alloys. In
order to increase the heat transfer effectiveness of the fins they
can be configured in a variety of different shapes, known as
enhancements.
The concept behind all fin enhancements is to improve heat transfer
performance via air turbulence and increased surface area, but they
all differ in efficacy with regard to a few important
considerations.
When weighing fin enhancements, it may be helpful to think of them
as part of a spectrum. Like many of the rules of physics, there are
tradeoffs, so we’ve developed an array of these enhancements.
Features:
Common design of Louvered fin
Common louvered fins have sets of notches made in a common
orientation, which are designed to unidirectionally increase air’s
turbidity. Increasing the severity of the louvers’ angles increase
heat transfer performance up to a certain point, at which the
effectiveness will start to decrease.
One interesting trait about louvered fins that’s important to know
is their directional nature. Not unlike shark skin, where contact
in one direction is smooth and the opposite direction is coarse and
sharp, the directions of the louvers must be accounted for, as
incorrect directionality will rob performance rather than increase
it.
Heat transfer: Excellent
Fouling/clean ability: Poor
Durability: Moderate
Original louver fins
To design a compact heat sink, a simplified geometry, enhanced heat
dissipation, and the minimum pressure drop should be taken into
consideration. With this objective, YUNNENG‘s original louver fins
have various fin type to fit the different heat transfer.
Techical Parameters :
Tube-fin type air conditioning condenser and evaporator
Specifications
| Fin mold | Pattern/mm | Fin type |
| Φ7 | 21*12.7 | Louver | Raised lance | Lance | Flat |
| Φ7 | 21*18.19 | louver | Raised lance | Lance | V-wave |
| Φ7.94 | 21*21.65
| louver on waffle | V-wave | | |
| Φ10.2 | 20*15.5
| Turbolator
| | | |
| Φ12.3 | 25*21.65
| Turbolator
| | | |
| Φ12.3 | 32*27.71
| Turbolator
| | | |
| Φ14.3 | 34*29.5 | Turbolator
| | | |
| Φ14.3 | 34*29.5 | Raised lance | | | |
| Φ25.45 | 64*32 | Upper&lower lance | | | |
| Φ25.5 | 66.6*32.25 | Raised lance | | | |
| Φ9.52 | 25*21.65 | Louver | | | |
Support and Services:
The fin, micro-channel cooling tube and collecting tube can be
customized according to customer's requirements, product width up
can be custom, length direction can be any size.
