纳米流体
材料科学
光热治疗
纳米颗粒
蒸发
纳米技术
沸腾
光热效应
化学工程
热力学
物理
工程类
作者
Edda T. Ulset,Pawel Kosinski,Yulia Zabednova,О.В. Жданеев,Pavel G. Struchalin,Boris V. Balakin
出处
期刊:Nano Energy
[Elsevier]
日期:2018-08-01
卷期号:50: 339-346
被引量:45
标识
DOI:10.1016/j.nanoen.2018.05.050
摘要
The process of photothermal evaporation in nanofluids finds promising applications in solar energetics, medicine and process technology. Previous studies report highly efficient production of solar steam in fluids with gold nanoparticles. In this article, we establish the process in nanofluids with less expensive carbon black (CB) and iron oxide (IO) nanoparticles (NP). Screening the concentration of nanoparticles, we tailor the nanofluids to reach the efficiency maxima: 66% at 3% wt (CBNP) and 75% at 10% wt (IONP); the steam was superheated up to 10 K (CBNP) and 16 K (IONP). It was also discovered that the IONPs-generated steam was contaminated with nanoparticles. In addition to experimental results, we have developed an empirical model of photothermal steam generation in nanofluids. The model agrees well with the experiments.
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