STUDY OF OSCILLATING PULSED JET INDUCED BY EXTERNAL EXCITATION SHEAR FLOW

doi:10.3863/j.issn.1000-2634.2000.01.001

西南石油大学学报(自然科学版) ›› 2000, Vol. 22 ›› Issue (1): 1-4.DOI: 10.3863/j.issn.1000-2634.2000.01.001

• 油气理论研究 • Next Articles

STUDY OF OSCILLATING PULSED JET INDUCED BY EXTERNAL EXCITATION SHEAR FLOW

TANG Chuan-lin¹ ZHANG Feng-hua¹ YANG Lin¹ et al

Chongqing University

Received:1999-06-22 Revised:1900-01-01 Online:2000-02-20 Published:2000-02-20
Contact: TANG Chuan-lin

Abstract

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.

Key words: shear flow, self-excited vibration, oscillations, fluidics, laboratory testing, analysis

CLC Number:

TE248
TE21

TANG Chuan-lin ZHANG Feng-hua YANG Lin et al. STUDY OF OSCILLATING PULSED JET INDUCED BY EXTERNAL EXCITATION SHEAR FLOW[J]. 西南石油大学学报(自然科学版), 2000, 22(1): 1-4.

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STUDY OF OSCILLATING PULSED JET INDUCED BY EXTERNAL EXCITATION SHEAR FLOW

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