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    • 周昕毅，李铁，赖哲渊，王斌.柴油机非蒸发喷雾相似性研究[J].内燃机工程,2018,39(5):1-7.
    Study on Similarity of Non-Evaporating Diesel Spray
    DOI：10.13949/j.cnki.nrjgc.2018.05.001
    Key Words:diesel engine  similarity theory  injection rate  non-evaporating spray
    Author NameAffiliation
    ZHOU Xinyi, LI Tie, LAI Zheyuan, WANG Bin 1.State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
    2.Collaborative Innovation Center for Advanced Ship and Deep Sea Exploration, Shanghai 200240, China 
    摘要点击次数: 3832
    全文下载次数: 2011
    Abstract:Based on the three combustion similarity rules for the single value condition, the existence of similarity was theoretically explored in spray mixture formation processes. The Bosch long tube method and high-speed shadowgraphy were employed to investigate the similarity of diesel injection rate and non-evaporating spray characteristics respectively with two different size diesel nozzles. The results show that the normalized spray penetration distance and injection rate can be well scaled for all the three rules, while the similarity rule that keeps the injection pressure constant is more preferable for scaling the spray angle. The other two similarity rules, which decrease the injection pressure, will result in smaller spray angle and lower excess air ratio.
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