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首页> 外文会议>2011 International Conference on Computer Distributed Control and Intelligent Environmental Monitoring >Analysis of Droplet Arrival Statistics for Droplet Clustering in Effervescent Spray: The Influence of Atomizer Internal Design
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Analysis of Droplet Arrival Statistics for Droplet Clustering in Effervescent Spray: The Influence of Atomizer Internal Design

机译：泡腾喷雾中液滴聚集的液滴到达统计分析：雾化器内部设计的影响

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A novel convergent-divergent effervescent atomizer spraying water with air as atomizing medium was used to investigate the dependence of droplet clustering on atomizer internal design by the ideal spray theory of Edwards and Marx. Results demonstrated that all the size classes of droplets show the spray unsteadiness in effervescent atomization. Atypical example of an unsteady spray behavior is droplet clustering. The high number of deviation can be found for the small droplets at the edge of spray regardless of the atomizer internal design. No distinct relation about the droplet clustering behavior between all droplets and various droplet sizes in spray can be found. Low deviation can be obtained by increasing the diameter of incline aeration holes at air to liquid mass ratio (ALR) of 10%. The angle of incline aeration holes has no influence on the droplet clustering at ALR of 10%. The center region of spay showed high droplet clustering for a short mixing chamber atomizer at the ALR value above 0.58%.
机译：以爱德华兹和马克思的理想喷雾理论为基础，研究了一种新型的以空气为雾化介质的会聚-发散泡腾雾化器，以空气为雾化介质研究了雾滴团聚对雾化器内部设计的依赖性。结果表明，所有大小尺寸的液滴在泡腾雾化中均显示出喷雾不稳定。不稳定喷雾行为的非典型示例是液滴聚类。无论雾化器的内部设计如何，对于喷雾边缘的小液滴而言，都可以发现高偏差。没有发现关于所有液滴和喷雾中各种液滴尺寸之间的液滴聚集行为的明显关系。通过在空气与液体的质量比（ALR）为10％的情况下增加倾斜通风孔的直径，可以获得较低的偏差。倾斜的曝气孔角度对ALR为10％时的液滴聚集没有影响。对于短混合室雾化器，在LR值大于0.58％时，喷口的中心区域显示出较高的液滴聚集性。

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