通过添加亲水性分散剂,经超声振动制备了粒径为50 nm CuO纳米颗粒悬浮液.理论和实验分析了运用准稳态法测量纳米颗粒悬浮液有效导热系数和比热容等热物性的可行性.加热密度为100～500 W/m2时,热物性测量结果的合理性和重复性都较好;而加热密度较小时离散性较大.实验表明,常温下2wt%的CuO纳米颗粒悬浮液的有效导热系数约为纯水的1.08倍,比热容约为纯水的1.02倍.
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