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铝翅式换热器与铜管套翅片的哪个好 

铝翅式换热器:
(1)传热效率高，由于翅片对流体的扰动使边界层不断破裂，因而具有较大的换热系数;同时由于隔板、翅片很薄，具有高导热性，所以使得板翅式换热器可以达到很高的效率。
(2)紧凑，由于板翅式换热器具有扩展的二次表面，使得它的比表面积可达到1000㎡/m3。
(3)轻巧，原因为紧凑且多为铝合金制造，现在钢制，铜制，复合材料等的也已经批量生产 。
(4)适应性强，板翅式换热器可适用于:气-气、气-液、液-液、各种流体之间的换热以及发生集态变化的相变换热。通过流道的布置和组合能够适应:逆流、错流、多股流、多程流等不同的换热工况。通过单元间串联、并联、串并联的组合可以满足大型设备的换热需要。工业上可以定型、批量生产以降低成本，通过积木式组合扩大互换性。
(5)制造工艺要求严格，工艺过程复杂。
(6)容易堵塞，不耐腐蚀，清洗检修很困难，故只能用于换热介质干净、无腐蚀、不易结垢、不易沉积、不易堵塞的场合。
铜管套翅片:
铜管套翅片散热器，涉及一种散热器。主要是为解决现有的铜管铝翅片散热器铝翅片与铜管接触不严密，有空隙，影响散热，翅片易松动的问题而研制的。它包括铝翅片和铜管，这里主要是将铜管横截面制成多边形。优点是铜管与翅片接触紧密，无空隙，热阻小，散热好，铝翅片不易松动。 



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