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| Abstract: |
| Slinger is a rotary atomizer whose atomization performance is affected by the parameters of orifice. 8 kinds of orifices with different structure parameters were investigated, and an optimal diameter exists for the round orifice with that the spray SMD is the smallest and the uniformity is the best. Increases in the axial length of slot orifice decrease the spray SMD and improve the spray uniformity, but increases in the width of the slot orifice are invalid for liquid spray SMD, and the spray uniformity becomes even worse. In most cases, the spray SMD of slot orifice is smaller than that of round orifice with the same perimeter, and the spray uniformity is better likewise. Increases in radial length of orifice cause the spray SMD to be larger, but the spray uniformity become obviously better. The spray SMD become larger with decreases in liquid surface tension. The spray uniformity became better nevertheless. |
| Key words: rotary atomization slinger orifice parameters spray uniformity SMD |
| DOI：10.11916/j.issn.1005-9113.20052 |
| Clc Number:V231.2+3; TK16 |
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| Descriptions in Chinese: |
| 甩油盘出孔参数与雾化性能关系研究 覃文隆 （中国飞行试验研究院 西安 710089） 中文说明：甩油盘一种旋转雾化器，雾化性能受其出孔参数影响。通过对8种不同形状参数出孔的研究发现，对于圆形出孔，存在一个最佳直径，此直径下液雾SMD最小，均匀性最好；对于槽形出孔，增加出孔的轴向长度可以减小液雾SMD并提高均匀性，但增加出孔宽度对液雾SMD影响不大，均匀性甚至下降。绝大多数情况下，相同周长的槽形出孔比圆形出孔的液雾SMD更小，均匀性更好。增加出孔的径向长度会增大液雾SMD，但同时均匀性明显变好。液雾SMD随液体表面张力减小而增大，但均匀性会有所好转。 关键词：旋转雾化，甩油盘，出孔参数，液雾均匀性，液雾SMD |
