聚氧二甲基醚和柴油中添加汽油对定容室喷雾和燃烧特性的影响

IF 7.2 2区工程技术 Q1 CHEMISTRY, APPLIED

Fuel Processing Technology Pub Date : 2025-02-24 DOI:10.1016/j.fuproc.2025.108195

Jingjing He , Hao Chen , Peng Zhang

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引用次数: 0

摘要

聚戊二烯醚和汽油是高含氧、高挥发性柴油的代表性添加剂。在柴油中，聚戊二烯与汽油的最佳掺量比为20%。采用CVC试验台研究了在柴油中添加聚戊二烯和汽油对喷雾特性和燃烧特性的影响。分别在100 MPa、120 MPa和140 MPa的喷射压力下进行了喷雾和燃烧实验。结果表明，在柴油中掺入聚戊二烯醚和汽油可有效提高喷雾雾化质量。与D100相比，D80G20、D80P20和D80G10P10分别降低了65.3%、85.7%和76.7%的SPA最大改善。随着喷射压力的增大，汽油与聚戊二烯混合改善燃油喷射质量的能力降低。汽油降低烟尘排放的能力优于聚乙醚。由于汽油和PODE的双重优势，D80G10P10在四种燃料中具有最低的总KL和时间综合自然光度。

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Effect of polyoxymethylene dimethyl ethers and gasoline addition in diesel on the spray and combustion characteristics in a constant volume chamber

PODE and gasoline are considered as the representative additives of diesel with high oxygen-containing and high volatility. And the optimal blending volume ratio of PODE and gasoline in diesel are 20 %. A CVC test bench is employed to investigate the effects of adding PODE and gasoline in diesel on the spray and combustion characteristics in this study. The spray and combustion experiments are performed under the injection pressures of 100 MPa, 120 MPa and 140 MPa. And the results show that blending PODE and gasoline in diesel can effectively improve the quality of spray atomization. Compared with D100, D80G20, D80P20 and D80G10P10 reduce the maximum improvement of SPA by 65.3 %, 85.7 % and 76.7 % respectively. The ability to improve fuel spray quality by blending gasoline and PODE decreases with the increase of injection pressure. The ability of gasoline to reduce soot emission is superior to PODE. Due to the advantages of both gasoline and PODE, D80G10P10 has the lowest total KL and time integrated natural fame luminosity among the four fuels.

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来源期刊

Fuel Processing Technology 工程技术-工程：化工

CiteScore

13.20

自引率

9.30%

发文量

398

审稿时长

26 days

期刊介绍： Fuel Processing Technology (FPT) deals with the scientific and technological aspects of converting fossil and renewable resources to clean fuels, value-added chemicals, fuel-related advanced carbon materials and by-products. In addition to the traditional non-nuclear fossil fuels, biomass and wastes, papers on the integration of renewables such as solar and wind energy and energy storage into the fuel processing processes, as well as papers on the production and conversion of non-carbon-containing fuels such as hydrogen and ammonia, are also welcome. While chemical conversion is emphasized, papers on advanced physical conversion processes are also considered for publication in FPT. Papers on the fundamental aspects of fuel structure and properties will also be considered.