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Article: INTERACTION BETWEEN A SUBSONIC AIR JET AND A SHARP EDGE.
| Title | INTERACTION BETWEEN A SUBSONIC AIR JET AND A SHARP EDGE. |
|---|---|
| Authors | |
| Issue Date | 1984 |
| Citation | Transactions of the Canadian Society for Mechanical Engineering, 1984, v. 8, n. 3, p. 126-132 How to Cite? |
| Abstract | This paper describes an experimental investigation of a jet of Mach number 0. 5 which is partially interrupted by a 180 degree sharp edge. Detailed Schlieren and pressure spectral measurements of the jet with the sharp edge located at different locations inside the jet have indicated the presence of the basic jet coherent structure, the axisymmetrical and azimuthal constituents and the resonances set up by the interaction of the jet flow and sharp edge. The resonances are due not only to the interaction of the initial shear layer with the acoustic feedback from the basic coherent structure, but also with the acoustic feedback from the wake vortices set up in the wake flow behind the sharp edge. For the former, dependence of the level of resonance on location of the sharp edge has also been found. |
| Persistent Identifier | http://hdl.handle.net/10722/250409 |
| ISSN | 2021 Impact Factor: 1.324 2020 SCImago Journal Rankings: 0.273 |
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Ko, N. W M | - |
| dc.date.accessioned | 2018-01-16T06:33:57Z | - |
| dc.date.available | 2018-01-16T06:33:57Z | - |
| dc.date.issued | 1984 | - |
| dc.identifier.citation | Transactions of the Canadian Society for Mechanical Engineering, 1984, v. 8, n. 3, p. 126-132 | - |
| dc.identifier.issn | 0315-8977 | - |
| dc.identifier.uri | http://hdl.handle.net/10722/250409 | - |
| dc.description.abstract | This paper describes an experimental investigation of a jet of Mach number 0. 5 which is partially interrupted by a 180 degree sharp edge. Detailed Schlieren and pressure spectral measurements of the jet with the sharp edge located at different locations inside the jet have indicated the presence of the basic jet coherent structure, the axisymmetrical and azimuthal constituents and the resonances set up by the interaction of the jet flow and sharp edge. The resonances are due not only to the interaction of the initial shear layer with the acoustic feedback from the basic coherent structure, but also with the acoustic feedback from the wake vortices set up in the wake flow behind the sharp edge. For the former, dependence of the level of resonance on location of the sharp edge has also been found. | - |
| dc.language | eng | - |
| dc.relation.ispartof | Transactions of the Canadian Society for Mechanical Engineering | - |
| dc.title | INTERACTION BETWEEN A SUBSONIC AIR JET AND A SHARP EDGE. | - |
| dc.type | Article | - |
| dc.description.nature | link_to_subscribed_fulltext | - |
| dc.identifier.scopus | eid_2-s2.0-0021580755 | - |
| dc.identifier.volume | 8 | - |
| dc.identifier.issue | 3 | - |
| dc.identifier.spage | 126 | - |
| dc.identifier.epage | 132 | - |
| dc.identifier.issnl | 0315-8977 | - |