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针栓式喷注器锥形液膜破碎特性试验

方昕昕 沈赤兵 张新桥

方昕昕, 沈赤兵, 张新桥. 针栓式喷注器锥形液膜破碎特性试验[J]. 航空动力学报, 2016, 31(12): 3004-3009. doi: 10.13224/j.cnki.jasp.2016.12.024
引用本文: 方昕昕, 沈赤兵, 张新桥. 针栓式喷注器锥形液膜破碎特性试验[J]. 航空动力学报, 2016, 31(12): 3004-3009. doi: 10.13224/j.cnki.jasp.2016.12.024
FANG Xin-xin, SHEN Chi-bing, ZHANG Xin-qiao. Experiment of breakup characteristics on conical sheets of pintle injectors[J]. Journal of Aerospace Power, 2016, 31(12): 3004-3009. doi: 10.13224/j.cnki.jasp.2016.12.024
Citation: FANG Xin-xin, SHEN Chi-bing, ZHANG Xin-qiao. Experiment of breakup characteristics on conical sheets of pintle injectors[J]. Journal of Aerospace Power, 2016, 31(12): 3004-3009. doi: 10.13224/j.cnki.jasp.2016.12.024

针栓式喷注器锥形液膜破碎特性试验

doi: 10.13224/j.cnki.jasp.2016.12.024
基金项目: 

国防科学技术大学优秀研究生创新资助项目(S150105)

详细信息
    作者简介:

    方昕昕(1991-),男,安徽阜阳人,硕士生,研究方向为火箭及其组合推进技术.

  • 中图分类号: V238

Experiment of breakup characteristics on conical sheets of pintle injectors

  • 摘要: 采用高速摄影获得了针栓式喷注器在不同喷注压降和结构参数下的表面波破碎图像,测量了锥形液膜的破碎长度和破碎时间,研究了变工况时液膜破碎长度和破碎时间的变化规律.试验结果表明:在喷注压降不变的条件下,针栓式喷注器能够实现流量的线性调节.针栓式喷注器设计时,在合理的推进剂动量比范围内,狭缝宽度应尽量取小.液膜在低工况时破碎得更快.液膜破碎长度和破碎时间均随喷注压降的增加而减小.

     

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出版历程
  • 收稿日期:  2015-07-03
  • 刊出日期:  2016-12-28

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