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Conference Paper: Numerical simulation of the proximity interference of two square cylinders
| Title | Numerical simulation of the proximity interference of two square cylinders |
|---|---|
| Authors | |
| Issue Date | 1999 |
| Publisher | American Society of Mechanical Engineers. |
| Citation | Proceedings of the 1999 3rd ASME/JSME Joint Fluids Engineering Conference, FEDSM'99, San Francisco, California, USA, 18-23 July 1999 (CD-ROM), 1999, p. 1 How to Cite? |
| Abstract | A two dimensional discrete vortex method, hybridized with the diffusion velocity method and the random walk technique, is used to simulate flow over two square cylinders in side by side arrangements at Reynolds number Re, based on square cylinder face width D, of 550. The normalized transverse spacing of the cylinder centres varied between 1.125 â ¤ T/D â ¤ 4, covering the proximity interference region. In phase and antiphase vortex sheddings are observed at 2.75 â ¤ T/D â ¤ 4, similar to those of two circular cylinders. At the critical spacing T/D = 1.5, bistable flow is found with the gap flow biased to one cylinder or the other. The biased gap flow is associated with a coupling/entrainment process of the two gap shear layers and the outer shear layer. At T/D = 1.125, the flow over the two square cylinders behaves as that over a single rectangular cylinder, forming a single vortex street. |
| Persistent Identifier | http://hdl.handle.net/10722/250441 |
| ISBN |
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Chiu, A. Y W | - |
| dc.contributor.author | Ko, N. W M | - |
| dc.date.accessioned | 2018-01-16T06:34:02Z | - |
| dc.date.available | 2018-01-16T06:34:02Z | - |
| dc.date.issued | 1999 | - |
| dc.identifier.citation | Proceedings of the 1999 3rd ASME/JSME Joint Fluids Engineering Conference, FEDSM'99, San Francisco, California, USA, 18-23 July 1999 (CD-ROM), 1999, p. 1 | - |
| dc.identifier.isbn | 9780791819616 | - |
| dc.identifier.uri | http://hdl.handle.net/10722/250441 | - |
| dc.description.abstract | A two dimensional discrete vortex method, hybridized with the diffusion velocity method and the random walk technique, is used to simulate flow over two square cylinders in side by side arrangements at Reynolds number Re, based on square cylinder face width D, of 550. The normalized transverse spacing of the cylinder centres varied between 1.125 â ¤ T/D â ¤ 4, covering the proximity interference region. In phase and antiphase vortex sheddings are observed at 2.75 â ¤ T/D â ¤ 4, similar to those of two circular cylinders. At the critical spacing T/D = 1.5, bistable flow is found with the gap flow biased to one cylinder or the other. The biased gap flow is associated with a coupling/entrainment process of the two gap shear layers and the outer shear layer. At T/D = 1.125, the flow over the two square cylinders behaves as that over a single rectangular cylinder, forming a single vortex street. | - |
| dc.language | eng | - |
| dc.publisher | American Society of Mechanical Engineers. | - |
| dc.relation.ispartof | Proceedings of the 1999 3rd ASME/JSME Joint Fluids Engineering Conference, FEDSM'99, San Francisco, California, USA, 18-23 July 1999 (CD-ROM) | - |
| dc.title | Numerical simulation of the proximity interference of two square cylinders | - |
| dc.type | Conference_Paper | - |
| dc.description.nature | link_to_subscribed_fulltext | - |
| dc.identifier.scopus | eid_2-s2.0-0033382473 | - |
| dc.identifier.spage | 1 | - |