Influence of Blending Ratio on Spray Characteristics of Gasoline–Hydrogenated Catalytic Biodiesel Blended Fuel

Yufei Zhou, Donghe Xie (), Jun Fu () and Xueliang Huang
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Yufei Zhou: Mechanical and Electronic Engineering Department, Hunan Automotive Engineering Vocational University, Zhuzhou 412000, China
Donghe Xie: Mechanical and Electronic Engineering Department, Hunan Automotive Engineering Vocational University, Zhuzhou 412000, China
Jun Fu: College of Mechanical and Engineering, Shaoyang University, Shaoyang 422000, China
Xueliang Huang: College of Mechanical and Engineering, Shaoyang University, Shaoyang 422000, China

Energies, 2024, vol. 17, issue 20, 1-11

Abstract: Blending gasoline with hydrogenated catalytic biodiesel has the potential to improve combustion problems of gasoline direct-injection compression combustion, and the spray characteristics of the blending fuel can directly affect the combustion effect. In order to understand the spray characteristics of a gasoline–hydrocatalyzed catalytic biodiesel mixture, a numerical spray model of constant volume combustion chamber was established, and the accuracy of the model was verified by experimental data in the literature. Based on this model, the spray penetration, sauter mean diameter, spray velocity field and concentration field of gasoline–hydrocatalyzed catalytic biodiesel at different blending ratios were studied. The results show that under the conditions of 850 K ambient temperature, 5 MPa ambient pressure, and 80 MPa injection pressure, as the proportion of hydrogenated catalytic biodiesel in the blending fuel increases, the spray penetration increases, the sauter mean diameter decreases slightly, and the area of high velocity and high concentration at the spray center increases. The results of this study will contribute to the development of blended fuels for superior combustion performance and reduced pollutant emissions at appropriate blending ratios.

Keywords: constant volume combustion chamber; gasoline; catalytic hydrogenated biodiesel; spray characteristics (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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