Hui-Yuan Chen, Qing-Lian Li, Peng Cheng, Wen-Hao Lin, Chen-Yang Li. Influence of momentum ratio and its throttling method on spray characteristics of pintle injector [J]. Acta Physica Sinica, 2019, 68(20): 204704-1
- Acta Physica Sinica
- Vol. 68, Issue 20, 204704-1 (2019)
![Schematic diagram of the experimental setup[27].试验系统示意图[27]](/richHtml/wlxb/2019/68/20/20190671/img_1.jpg)
Fig. 2. Schematic diagram of the pintle injector.针栓喷注器示意图
Fig. 3. (a) PDA system; (b) measurement point setup under different operating conditions.(a) PDA系统; (b) 不同工况下测点布置示意图
Fig. 4. Determination of the spray angle.喷雾锥角测量方法示意图
Fig. 5. Contrastive analysis on the data from different sections obtained by PDA.PDA不同区段数据对比分析
Fig. 6. Spray range at different LMR.不同局部动量比下的喷雾范围
Fig. 7. Inner/outer boundary under different operating conditions.不同工况下的喷雾内、外边界对比
Fig. 8. Spray angle vs . LMR with different throttling methods.
不同调节方式下喷雾锥角随局部动量比的变化情况
Fig. 9. Spray patterns with changing mass flow rate of the liquid film with only the liquid film injected.单液膜喷注条件下喷雾形态随液膜流量的变化
Fig. 10. Range of SMD under different LMR.不同局部动量比下的SMD变化范围
Fig. 11. Contour of SMD under different LMR.不同局部动量比下SMD分布云图
Fig. 12. Distribution curves of SMD under different operating conditions.不同工况下SMD的分布曲线
Fig. 13. Contour of the resultant velocity under different LMR.不同局部动量比下的合速度云图
Fig. 14. Axial velocity vs . r′under different operating conditions.
不同工况下轴向速度随无量纲径向位置的变化曲线
Fig. 15. Axial velocity vs . r at different axial distances under different operating conditions.
不同工况、不同轴向距离处喷雾下游轴向速度随径向位置的变化曲线
Fig. 16. Sketch map of the spray pattern of the single “cloak”.单个“斗篷”的喷雾形态示意图
Fig. 17. Distribution curves of the radial velocity under different operating conditions.不同工况下径向速度的分布曲线
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Table 1. Structural parameters of the pintle injector.
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Table 2.
Operating conditions.
试验工况
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Table 3.
Parameters of the PDA system.
PDA系统参数表
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