What are the main differences between the large-angle plates and the small-angle plates of heat exchangers?
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In terms of heat transfer, structure, etc.
At large angles, heat transfer is efficient and the K value is high, while the pressure drop is large; the opposite is true at small angles. Two extreme values can be used as a reference for understanding: at the extreme of large angles, there are only horizontal ripples, while at the extreme of small angles, there are vertical ripples; this makes it clear what the magnitude of the pressure drop is
The shapes of the two types of plates are not very different. The terms \"large angle\" and \"small angle\" refer to the angle of the herringbone pattern on the plates; plates with a larger angle have higher heat transfer efficiency but also a greater pressure drop； Plate heat exchangers with small angles have lower heat transfer efficiency and lower pressure drop. The pressure drop and heat transfer efficiency in plate exchangers are contradictory; our plate exchangers offer more combinations of channels, thereby enabling a better balance between heat transfer efficiency and pressure drop.