Evaporation Characteristics of Ethanol Blended Biodiesel Fuel for Generators

WEI Haoxiang; WANG Xiaorong; JIANG Genzhu; HUANG Chenjun; ZHANG Mingrui

doi:10.16516/j.ceec.2024.6.05

SOUTHERN ENERGY CONSTRUCTION > 2024 > 11(6): 52-58. > DOI: 10.16516/j.ceec.2024.6.05 CSTR: 32391.14.j.ceec.2024.6.05

WEI Haoxiang, WANG Xiaorong, JIANG Genzhu, et al. Evaporation characteristics of ethanol blended biodiesel fuel for generators [J]. Southern energy construction, 2024, 11(6): 52-58. DOI: 10.16516/j.ceec.2024.6.05

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Evaporation Characteristics of Ethanol Blended Biodiesel Fuel for Generators

School of Mechanical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu, China

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Received Date: May 07, 2024
Revised Date: May 20, 2024
Accepted Date: May 23, 2024
Available Online: July 30, 2024

Abstract

Abstract

Introduction In the current context of increasing energy demand and environmental conservation advocacy, it is necessary to seek alternative energy sources for traditional fuel generators, and better fuels can be identify by studying the evaporation characteristics of fuels.
Method The droplet suspension experiments were conducted to investigate the evaporation characteristics of droplets of methyl oleate fuel with ethanol contents of 0%, 20%, 30%, and 50% at the ambient temperature of 673 K and 773 K.
Results The results indicate that as the ambient temperature increases from 673 K to 773 K, the evaporation rate of the blended droplets rises. Furthermore, with the continuous increase in ethanol contents, the difference in droplet evaporation rates between the two ambient temperatures becomes more pronounced. At lower ambient temperatures, the evaporation process of the droplets is relatively stable, with the droplet evaporation rate showing a gradual decrease trend. The addition of ethanol leads to an extension of the droplet's equilibrium evaporation stage, increasing the evaporation time and inhibiting the evaporation process. Conversely, at higher ambient temperatures, the evaporation process exhibits greater fluctuations, with the droplet evaporation rate showing a gradual increase trend and reaching its maximum at the ethanol content of 50%. The addition of ethanol induces micro-explosion events, reducing the evaporation time and enhancing the evaporation process. Moreover, increasing the ambient temperature and ethanol content promotes the occurrence, intensity, and frequency of micro-explosion events in droplets.
Conclusions Based on the experimental results of droplet suspension experiments on the evaporation characteristics of methyl oleate and ethanol blended droplets, this study provides important data support and references for related fuel research and applications.
- generator,
- evaporation characteristics,
- methyl oleate,
- ethanol,
- micro-explosion

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References

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ZHANG Mingrui

School of Mechanical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu, China

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Evaporation Characteristics of Ethanol Blended Biodiesel Fuel for Generators