为了探究金属泡沫孔密度对石蜡融化性能的影响
设计搭建了相变蓄热实验台
制作了不同孔密度的复合相变材料。通过实验对比研究了镍复合相变材料和铜复合相变材料内部温度分布
分析了孔密度对导热和对流换热强度的影响
比较了在相同时间内镍复合相变材料和铜复合相变材料的蓄热量。实验结果表明:镍复合相变材料随着孔密度的增大
温度堆积现象加重;当孔密度为1.02mm
-1
时
镍复合相变材料的对流和导热换热强度相等;当孔密度为1.26mm
-1
时
铜复合相变材料的对流和导热换热强度相等;当孔密度为2.36mm
-1
时
铜复合相变材料对应的蓄热量最多;当孔密度为0.79mm
-1
时
镍复合相变材料对应的蓄热量最多。
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