本文对空气流过镍、铜材料泡沫金属结构和2种板翅结构的对流换热进行了实验研究.结果表明:在本文实验参数范围内,与空槽道相比,两种板翅结构分别使空气的对流换热系数增加了3～5倍和7～9倍;相同的实验条件下镍、铜材料的泡沫金属结构分别使空气的对流换热系数增加了9～11倍和10～12倍;与相近孔隙率的板翅结构相比,泡沫金属结构的流动阻力更大些.本文还对泡沫金属与板翅结构内的对流换热进行了数值模拟,得到较好的模拟结果.
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