通过在水介质中添加纳米氧化铝粒子,研制了一种新型传热冷却工质一氧化铝-水纳米流体,粒径分布显示了加入分散剂的悬浮液具有很好的分散性,同时对Al2O3-H2O纳米流体和水溶液的结冰过程进行了实时观察.结果表明,加入Al2O3纳米粒子后,流体的结冰速率得到了很大提高,结冰时间大大缩短,DSC测试结果得到0.1%Al2O3-H2O纳米流体的相变潜热值为313.1 J/g.
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