本文采用可视化研究方法,在常压下,对浸没在丙酮工质中的多尺度烧结表面与纯铜光表面的沸腾传热特性进行了比较研究.结果表明,与光表面相比多尺度烧结表面核化点密集,产生的汽泡具有数量大、体积小的特点,可以显著降低沸腾起始点所需的过热度,在相同热流密度条件下,具有较好的换热效果.
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