| 生物柴油-柴油-丁醇燃料喷雾与燃烧过程可视化实验 |
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| 引用本文： | 刘宇,李君,高莹.生物柴油-柴油-丁醇燃料喷雾与燃烧过程可视化实验[J].吉林大学学报(工学版),2011(Z1):34-40. |
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| 作者姓名： | 刘宇 李君 高莹 |
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| 作者单位： | 吉林大学汽车仿真与控制国家重点实验室; |
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| 基金项目： | “863”国家高技术研究发展计划项目(2006AA11A197) |
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| 摘 要： | 采用可视化定容燃烧器模拟发动机高温、高压环境,利用高速摄像机和铜蒸气激光器,拍摄记录生物柴油-柴油-丁醇混合燃料整个雾化与燃烧过程。对可变高温、高压实验环境下不同掺混比例的燃料液态贯穿距和放热率进行测量。实验结果表明:环境温度800K和900K时,B10D80N10燃料喷射过程中发生微爆,油束末端破裂、发散成羽状,导致液态贯穿距离突然降低。随着环境温度的升高,燃烧过程逐渐由预混合燃烧向扩散燃烧转变,微爆现象也随之减弱或消失。
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| 关 键 词： | 动力机械工程 生物柴油 喷雾 燃烧 微爆 |
Optical investigation on spray and combustion by using biodiesel-diesel-butanol blend fuel |
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| LIU Yu,LI Jun,GAO Ying.Optical investigation on spray and combustion by using biodiesel-diesel-butanol blend fuel[J].Journal of Jilin University:Eng and Technol Ed,2011(Z1):34-40. |
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| Authors: | LIU Yu LI Jun GAO Ying |
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| Affiliation: | LIU Yu,LI Jun,GAO Ying (State Key Laboratory of Automotive Simulation and Control,Jilin University,Changchun 130022,China) |
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| Abstract: | An optical constant volume chamber simulated HTHP ambient condition was employed by using biodiesel-diesel-butanol blends.With high-speed camera and synchronized copper vapor laser,recorded fuel spray and combustion process,measured liquid jet penetration length and heat release rate under variable ambient temperature and fuel composition conditions.Results shown that micro-explosion existed during B10S80N10 fuel spray process at 800 K and 900 K ambient temperature.It resulted in tip of the spray jet erupte... |
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| Keywords: | power machinery and engineering biodiesel spray combustion micro-explosion |
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