Effects of Blending Long-Chain Alcohols with Jet Fuel on the Macroscopic Spray Characteristics  

作　　者：Li Fengyu Liu Yanju Huang Qifu Fu Wei Shi Weidong Lin Qizhao 

机构地区：[1]Department of Thermal Science and Energy Engineering,University of Science and Technology of China,Hefei 230026 [2]Beijing Mechanical Equipment Institute,Beijing,100854

出　　处：《China Petroleum Processing & Petrochemical Technology》2019年第4期49-57,共9页中国炼油与石油化工（英文版）

基　　金：supported by the National Natural Science Foundation of China(No.51376171)

摘　　要：Long-chain alcohols were considered to be promising alternative fuels and fuel additives. This study was aimed at figuring out the influences of blending long-chain alcohols with jet fuel on the macroscopic spray characteristic. n-Butanol and n-pentanol were chosen as tested alternative fuels. A common-rail injection system was used to create high-pressure injection conditions. The Schlieren imaging system was used to capture spray processes. Results showed that with the addition of long-chain alcohols, the spray tip penetration and the peak spray tip velocity increased, whereas the spray cone angle and the spray area decreased. Comparisons between those macroscopic spray characteristics of AKB blends and AKP blends were also conducted. Compared to AKB blends, AKP blends showed similar spray tip penetration, larger peak tip velocity, smaller spray cone angle, and smaller spray area.Long-chain alcohols were considered to be promising alternative fuels and fuel additives. This study was aimed at figuring out the influences of blending long-chain alcohols with jet fuel on the macroscopic spray characteristic. n-Butanol and n-pentanol were chosen as tested alternative fuels. A common-rail injection system was used to create high-pressure injection conditions. The Schlieren imaging system was used to capture spray processes. Results showed that with the addition of long-chain alcohols, the spray tip penetration and the peak spray tip velocity increased, whereas the spray cone angle and the spray area decreased. Comparisons between those macroscopic spray characteristics of AKB blends and AKP blends were also conducted. Compared to AKB blends, AKP blends showed similar spray tip penetration, larger peak tip velocity, smaller spray cone angle, and smaller spray area.

关 键 词：macroscopic spray characteristics jet fuel N-BUTANOL n-pentanol common-rail system 

分 类 号：TG1[金属学及工艺—金属学]