| 生物柴油—柴油混合燃料喷雾液滴尺寸数目分布的理论预测 |
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| 引用本文： | 曹建明,王磊,陈志伟,张秋霞,庄严,蔡恒恩,耿莉敏,边耀璋,陈昊.生物柴油—柴油混合燃料喷雾液滴尺寸数目分布的理论预测[J].车用发动机,2009(1). |
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| 作者姓名： | 曹建明 王磊 陈志伟 张秋霞 庄严 蔡恒恩 耿莉敏 边耀璋 陈昊 |
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| 作者单位： | 长安大学汽车学院,陕西,西安,710064 |
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| 基金项目： | 交通部西部交通建设项目 |
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| 摘 要： | 运用最大熵原理和质量守恒定律导出的喷雾液滴尺寸分布函数,建立了生物柴油—柴油混合燃料的喷雾液滴尺寸分布模型,对柴油、生物柴油—柴油混合燃料进行了模拟计算,并与试验结果进行了对比分析。结果表明,随着生物柴油掺混比的增大,燃料黏度增大,喷雾锥角变小,索特平均直径增大,计算数据与试验数据吻合很好。
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| 关 键 词： | 生物柴油 柴油 混合燃料 喷雾 质量评价 尺寸数目分布 |
Theoretical Prediction of Droplet Size Distribution for Biodiesel/Diesel Blended Fuel |
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| CAO Jian-ming,WANG Lei,CHEN Zhi-wei,ZHANG Qiu-xia,ZHUANG Yan,CAI Hen-gen,GENG Li-min,BIAN Yao-zhang,CHEN Hao.Theoretical Prediction of Droplet Size Distribution for Biodiesel/Diesel Blended Fuel[J].Vehicle Engine,2009(1). |
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| Authors: | CAO Jian-ming WANG Lei CHEN Zhi-wei ZHANG Qiu-xia ZHUANG Yan CAI Hen-gen GENG Li-min BIAN Yao-zhang CHEN Hao |
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| Institution: | CAO Jian-ming,WANG Lei,CHEN Zhi-wei,ZHANG Qiu-xia,ZHUANG Yan,CAI Heng-en,GENG Li-min,BIAN Yao-zhang,CHEN Hao(Automobile Faculty,Chang'an University,Xi'an 710064,China) |
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| Abstract: | Based on the maximum entropy principle and the mass conservation law,biodiesel/diesel blended fuel droplet size distribution function was derived and then its model was established.The numerical simulations of biodiesel/diesel blended fuel and diesel were carried on with the model and were compared with the test results.The results show that,with the increase of biodiesel mixing ratio,fuel viscosity rises,spray cone angle decreases,and sauter mean diameter increases.A good agreement is acquired between nume... |
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| Keywords: | biodiesel diesel blended fuel spray quality evaluation size distribution |
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