The influence of acetone-butanol-ethanol content on the jet and micro-explosion characteristics during the evaporation of blend fuel droplet

被引：0

作者：

Xu, Ruifan ^{[1
]}

Zhang, Yi ^{[1
]}

Jiang, Xiaozhen ^{[2
]}

Li, Feng ^{[1
]}

Yang, Wei ^{[1
]}

Ma, Fukang ^{[1
]}

机构：

[1] North University of China, School of Energy and Power Engineering, Taiyuan

[2] Physique et Mécanique des Milieux Hétérogènes, UMR 7636 du CNRS, Université PSL, ESPCI Paris, Sorbonne Université, Paris

来源：

Fuel | 2025年 / 395卷

关键词：

ABE-diesel blend; Droplet evaporation mode; Droplet lifespan; Jet; Micro-explosion;

D O I：

10.1016/j.fuel.2025.135224

中图分类号：

学科分类号：

摘要：

Acetone-butanol-ethanol (ABE) is a cost-effective alternative to traditional fossil fuels and can be blended with diesel fuel to form a stable and homogeneous solution. In this study, the evaporation behavior of single droplets of different concentrations of ABE blended with diesel fuel was experimentally investigated. As a result, three different evaporation modes were found: steady, jet and micro-explosion. The addition of ABE accelerates the stable evaporation rate of diesel droplets, thereby shortening their lifespan. In jet evaporation mode, every 20 % increase in ABE concentration postpones oil film formation time by at least 10% and increases droplet volume change in fluctuating stage by 5 %. Elevated temperatures and light component concentrations enhance droplet ejection and reduce droplet lifespan. Micro-explosion evaporation is characterized by rapid droplet volume expansion several times, distinct from jet evaporation. At an ABE concentration of 50 %, the likelihood of micro-explosion increases. Following micro-explosion, the droplet diameter is instantaneously reduced by at least 70 %, and its lifetime is significantly shortened. © 2025 Elsevier Ltd

引用

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