| 它激剪切流动诱发振荡射流的研究 |
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| 引用本文： | 唐川林 张凤华 杨林 廖荣庆 熊继有. 它激剪切流动诱发振荡射流的研究[J]. 西南石油大学学报(自然科学版), 2000, 22(1): 1-4. DOI: 10.3863/j.issn.1000-2634.2000.01.001 |
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| 作者姓名： | 唐川林 张凤华 杨林 廖荣庆 熊继有 |
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| 作者单位： | 1.重庆大学机械学院,重庆市 400044;2.西南石油学院 |
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| 摘 要： | 摘要:论述了它激剪切流动诱发振荡射流的机理,分析了它激有效激励条件,并对它激振荡射流的轴心压力进行了测试和频谱分析,给出了压力信号的功率谱。实验表明这种射流振荡幅值高,频率宽广,冲蚀效果优于普通射流。
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| 关 键 词： | 剪切流动 自激振动 振荡 射流 实验室试验 分析 |
| 收稿时间： | 1999-06-22 |
STUDY OF OSCILLATING PULSED JET INDUCED BY EXTERNAL EXCITATION SHEAR FLOW |
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| TANG Chuan-lin ZHANG Feng-hua YANG Lin et al. STUDY OF OSCILLATING PULSED JET INDUCED BY EXTERNAL EXCITATION SHEAR FLOW[J]. Journal of Southwest Petroleum University(Seience & Technology Edition), 2000, 22(1): 1-4. DOI: 10.3863/j.issn.1000-2634.2000.01.001 |
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| Authors: | TANG Chuan-lin ZHANG Feng-hua YANG Lin et al |
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| Affiliation: | Chongqing University |
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| Abstract: | The oscillating mechanism of the jet induced by external excitation shear flow was described and the excitation condition was analyzed in this paper. Spectrum analysis was applied to investigate the pressure oscillations in the center of the jet which are measured in laboratory. It is shown experimentally that its oscillating amplitude is very large and the jet has broad frequen-cy, Its erosive effect is superior to that of the ordinary jet. |
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| Keywords: | shear flow self-excited vibration oscillations fluidics laboratory testing analysis |
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