|
- 2017
横向气流中环状流射流液膜的破碎与雾化
|
Abstract:
摘要 针对环状流射流液膜在横流中破碎与雾化过程开展实验研究。研究发现,从宏观雾化形态看,环状流射流在横流中可以实现稳定的雾化;实验给出横流作用下环状流射流轨迹无量纲关联式。采用高速摄影技术对横流中环状流射流液膜破碎与雾化瞬态过程进行捕捉,发现环状流射流液膜雾化过程具有周期性和不连续性;不同环状流状态下液膜在横流中雾化机制有较大差异;增大射流表观气速能有效提升雾化效果。
[1] | 王静. 部分空气湿化燃气轮机循环技术[D]. 北京:中国科学院工程热物理研究所, 2009. |
[2] | Liu K, Sun L Y. Experimental study of atomization characteristic of air blast atomizer[J]. Applied Mechanics and Materials, 2013, 300/301:185-188. |
[3] | Sallam K A, Aalburg C, Faeth G M, et al. Primary breakup of round aerated-liquid jets in supersonic crossflows[J]. Atomization and Sprays, 2006, 16(6):657-672. |
[4] | Mishima K, Ishii M. Flow regime transition criteria for upward two-phase flow in vertical tubes[J]. International Journal of Heat and Mass Transfer, 1984, 27(5):723-737. |
[5] | Kataoka I, Ishii M. Entrainment rate in annular two-phase flow[R]. Argonne National Laboratory Report. ANL-82, Argonne, Illinois, 1982. |
[6] | 赵军, 单晓亮. 氢氧能源在鱼雷动力系统的应用途径与前景展望[J]. 鱼雷技术, 2011, 19(4):290-298. |
[7] | Phillips J C, Pch M, Thomas N H. Air flow and droplet motions produced by the interaction of flat-fan spray and cross flows[J]. Atomization and Sprays, 2000, 10(1):83-103. |
[8] | Wahono S, Honnery D, Soria J, et al. High-speed visualisation of primary break-up of an annular liquid sheet[J]. Experiments in Fluids, 2008, 44(3):451-459. |
[9] | 李汛, 刘婷婷. 湿化燃气轮机循环的性能分析[J]. 燃气轮机技术, 2006, 19(3):1-4. |
[10] | Costa M, Melo M J, Sousa J M M, et al. Spray characteristics of an angled liquid injection into subsonic crossflows[J]. AIAA Journal, 2006, 44(3):646-653. |
[11] | Huang X, Wang X, Liao G. Visualisation of two phase flow inside an effervescent atomize[J]. Journal of Visualization, 2008, 11(4):299-308. |
[12] | Ghenai C, Sapmaz H, Lin C X. Penetration height correlation for non-aerated and aerated transverse liquid jets in supersonic cross flow[J]. Experiments in Fluids, 2009, 46(1):121-129. |