| 摘要 |
A heat exchanger, preferably intended for air conditioning in a fan installation, comprises a corrugated plastic element (11) built up of heat-exchanger packs (10). One of the air flows (U) passes laminarly and unbroken in vertical flow paths (12) formed between strips (16, 16A) that hold the individual elements apart from each other. The other air flow (I) passes through channels (15) formed in each element (11). The walls (13, 14) of the element are thin and the thinner the wall thickness (T) the better the efficiency obtained.
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