Novel efficient low-pressure-drop plate-fin type heat exchanger fin
A plate-fin heat exchanger with low pressure drop technology, applied in the field of fin structure, can solve the problems of small heat transfer coefficient and large flow channel pressure drop, achieve strong turbulent flow, reduce flow resistance, and improve heat transfer capacity Effect
Inactive Publication Date: 2014-08-20
TIANJIN UNIV
6 Cites 1 Cited by
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Abstract
The invention discloses a novel efficient low-pressure-drop plate-fin type heat exchanger fin. The novel efficient low-pressure-drop plate-fin type heat exchanger fin comprises staggered corrugated fins, wherein the staggered corrugated fins are disconnected and staggered at the end portion of each unit wavelength; the interior of each unit wave is averaged into multiple sections through notches. The novel efficient low-pressure-drop plate-fin type heat exchanger fin has the advantages of having the advantages of staggered fins, corrugated fins and slotted fins at the same time, the degree of turbulence of fluid is stronger in the heat exchange process, a heat exchange boundary layer can be effectively destroyed, and consequently the heat exchange capacity of a heat exchanger is improved greatly. Meanwhile, due to gaps between the fins and the corrugated shape of the fins, flowing resistance of the fluid can be decreased, and the pressure drop in the heat exchange process is not too high.
Application Domain
Laminated elements
Technology Topic
EngineeringHeat exchanger +2
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PUM
Property | Measurement | Unit |
Pitch | 4.5 ~ 6.0 | mm |
Thickness | 0.2 ~ 0.5 | mm |
Height | 6.0 ~ 12.0 | mm |
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