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Y型喷嘴液膜随机破碎模型研究

Mathematical Modeling on Random Breakup Characteristics of Liquid Sheet Shed from Y-Jet Nozzle

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【作者】 宋玉宝章明川尹斌吴江周月桂范卫东

【Author】 SONG Yubao, ZHANG Mingchuan, YIN Bin, WU Jiang, ZHOU Yuegui, FAN Weidong (School of Mechanical and Power Engineering,Shanghai Jiaotong University,Shanghai 200240,China)

【机构】 上海交通大学机械与动力工程学院上海交通大学机械与动力工程学院 上海200240上海200240上海200240

【摘要】 采用Monte Carlo法,综合考虑Y型喷嘴液膜破碎过程中表面扰动波长、液膜厚度及初始雾化液滴速度等分布的随机性,结合混合孔内气、液两相流动及二阶段雾化模型,建立Y型喷嘴雾化液滴粒度分布模型.利用FAM型激光粒度仪对实验喷嘴的雾化特性进行测试,测量结果与模型预测结果吻合较好.

【Abstract】 Based on the previous work in the literature,the random distribution characteristics of the wavelength of surfacedisturbance,the liquid sheet thickness,and the initial droplets velocity were modeled by using the MonteCarlo method.An improved mathematical modeling system with size distribution of droplets for Yjet nozzle was established.To verify the correctness of the model system,a laser diffraction sizedistribution analyzer was applied and several different Yjet nozzles were tested.Fairly good agreement between the experimental results and the model predictions was obtained.

【基金】 国家重点基础研究规划资助项目(G1999022209);上海电力局科技规划资助项目.
  • 【文献出处】 燃烧科学与技术 ,Journal of Combustion Science and Technology , 编辑部邮箱 ,2003年02期
  • 【分类号】O552.421
  • 【被引频次】11
  • 【下载频次】239
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