Nano-sized copper oxide enhancing the combustion of aluminum/kerosene-based nanofluid fuel droplets

被引：21
|
作者：
Chen, Weiqi [1 ]
Zhu, Baozhong [1 ]
Sun, Yunlan [1 ]
Guo, Peng [1 ]
Liu, Jianzhong [2 ]
机构：
[1] Changzhou Univ, Sch Petr Engn, Changzhou 213164, Peoples R China
[2] Zhejiang Univ, Dept Energy Engn, Hangzhou 310058, Peoples R China
来源：
COMBUSTION AND FLAME | 2022年 / 240卷
基金：
中国国家自然科学基金;
关键词：
Nanofluid; Aluminum; Nano-sized copper oxide; Ignition and combustion; ALUMINUM NANOPARTICLES; KEROSENE DROPLETS; EVAPORATION CHARACTERISTICS; IGNITION CHARACTERISTICS; DILUTE CONCENTRATIONS; DENSITY FUEL; AUTOIGNITION; PROPELLANTS;
D O I：
10.1016/j.combustflame.2022.112028
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The use of nano-sized copper oxide (nCuO) in Al-based nanofluid fuels was presented as a way to improve the combustion of traditional aluminum (Al)-based nanofluid fuels. The effects of nCuO on the ignition delay time, ignition temperature, droplet behavior, burning rate, and combustion intensity of Al/kerosene-based nanofluid fuel droplets were investigated. The results reveal that adding 2 wt% nCuO to the 2 wt% Al/kerosene-based nanofluid fuel has little effect on the ignition delay time and ignition temperature at 700, 750, and 800 degrees C. However, the droplet diameter changes dramatically with time at 750 and 800 degrees C. The burning rate is enhanced by up to 21.7%, and the combustion intensity and the oxidation efficiency of Al nanoparticles (NPs) are also improved significantly. This study provides an effective approach to improve the combustion performance of Al/kerosene-based nanofluid fuels. (c) 2022 The Combustion Institute. Published by Elsevier Inc. All rights reserved.
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页数：9
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