Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/7549
DC Field | Value | Language |
---|---|---|
dc.contributor | Department of Mechanical Engineering | - |
dc.creator | Lam, K | - |
dc.creator | Cheung, WC | - |
dc.date.accessioned | 2015-11-10T08:33:01Z | - |
dc.date.available | 2015-11-10T08:33:01Z | - |
dc.identifier.issn | 0022-1120 | - |
dc.identifier.issn | 1469-7645 (EISSN) | - |
dc.identifier.uri | http://hdl.handle.net/10397/7549 | - |
dc.language.iso | en | en_US |
dc.publisher | Cambridge University Press | en_US |
dc.rights | © 1988 Cambridge University Press. The journal web page is located at: http://journals.cambridge.org/action/displayJournal?jid=FLM | en_US |
dc.title | Phenomena of vortex shedding and flow interference of three cylinders in different equilateral arrangements | en_US |
dc.type | Journal/Magazine Article | en_US |
dc.identifier.spage | 1 | - |
dc.identifier.epage | 26 | - |
dc.identifier.volume | 196 | - |
dc.identifier.doi | 10.1017/S0022112088002587 | - |
dcterms.abstract | This paper describes how the flows around three equal circular cylinders arranged in an equilateral-triangular manner interact at different angles of incidence α and spacing ratios l/d. Some vortex-shedding-frequency data evaluated from flow visualization experiments conducted at Reynolds numbers of 2.1 × 103 and 3.5 × 103, based on the diameter of a single cylinder, using a dye -injection technique, are presented. In order to provide additional insight to the understanding of the flow structure around this particular cylinder array, some photographs indicating the typical flow patterns for various arrangements are also presented. The investigation indicates that the flows interact in a complex fashion for spacing ratios smaller than 2.29 and it also reveals that, at this range of spacing ratios and at α = 0°, bistable flow characteristic exists. Moreover, for l/d approximately smaller than 4.65 there always exists an angle at which the vortex shedding behind an upstream cylinder is suppressed by a nearest downstream cylinder. This angle is found not to remain constant but increases as the spacing ratio increases. For illustration and comparisons, some numerical results obtained from the application of the surface-vorticity method have also been presented. | - |
dcterms.accessRights | open access | en_US |
dcterms.bibliographicCitation | Journal of fluid mechanics, Nov. 1988, v. 196, p. 1-26 | - |
dcterms.isPartOf | Journal of fluid mechanics | - |
dcterms.issued | 1988-11 | - |
dc.identifier.isi | WOS:A1988R433000001 | - |
dc.description.oa | Version of Record | en_US |
dc.identifier.FolderNumber | OA_IR/PIRA | en_US |
dc.description.pubStatus | Published | en_US |
Appears in Collections: | Journal/Magazine Article |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
Lam_Phenomena_Vortex_Shedding.pdf | 4.01 MB | Adobe PDF | View/Open |
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