Surface pressure distribution survey in normal triangular tube arrays
As a first step towards a validation database for models of fluidelastic instability, an experimental parametric study of the surface pressure on a cylinder in the third row of three normal triangular tube arrays ( P / d = 1.32 , 1.58 and 1.97) with air cross flow has been performed. A range of stat...
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| Veröffentlicht in: | Journal of fluids and structures 2009-11, Vol.25 (8), p.1348-1368 |
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| container_title | Journal of fluids and structures |
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| creator | Mahon, J. Meskell, C. |
| description | As a first step towards a validation database for models of fluidelastic instability, an experimental parametric study of the surface pressure on a cylinder in the third row of three normal triangular tube arrays (
P
/
d
=
1.32
, 1.58 and 1.97) with air cross flow has been performed. A range of static tube displacements were examined. Forces were calculated from the pressure measurements providing an understanding of the force generation mechanism. The results show that the fluid forces do not scale proportionally with dynamic head. However, no simple parameterisation was found for the lift force. A bistable flow instability was observed in the pitch ratio of 1.58 even when the tube was displaced. This phenomena resulted in the large asymmetry observed in the pressure distribution around a static cylinder. It is concluded that the fluid forces which are related to fluidelastic instability are dependent on Reynolds number and pitch ratio. |
| doi_str_mv | 10.1016/j.jfluidstructs.2009.07.006 |
| format | Article |
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P
/
d
=
1.32
, 1.58 and 1.97) with air cross flow has been performed. A range of static tube displacements were examined. Forces were calculated from the pressure measurements providing an understanding of the force generation mechanism. The results show that the fluid forces do not scale proportionally with dynamic head. However, no simple parameterisation was found for the lift force. A bistable flow instability was observed in the pitch ratio of 1.58 even when the tube was displaced. This phenomena resulted in the large asymmetry observed in the pressure distribution around a static cylinder. It is concluded that the fluid forces which are related to fluidelastic instability are dependent on Reynolds number and pitch ratio.</description><identifier>ISSN: 0889-9746</identifier><identifier>EISSN: 1095-8622</identifier><identifier>DOI: 10.1016/j.jfluidstructs.2009.07.006</identifier><identifier>CODEN: JFSTEF</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Exact sciences and technology ; Flow instability ; Fluid dynamics ; Fluid forces ; Fluidelastic instability ; Fundamental areas of phenomenology (including applications) ; Hydrodynamic stability ; Physics ; Solid mechanics ; Structural and continuum mechanics ; Surface pressure distribution ; Tube arrays ; Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)</subject><ispartof>Journal of fluids and structures, 2009-11, Vol.25 (8), p.1348-1368</ispartof><rights>2009 Elsevier Ltd</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c388t-8ecbea9cfc3d193151b53a9e08ac939f815e219ade326ebcc479d8787d5407503</citedby><cites>FETCH-LOGICAL-c388t-8ecbea9cfc3d193151b53a9e08ac939f815e219ade326ebcc479d8787d5407503</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jfluidstructs.2009.07.006$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>315,781,785,3551,27928,27929,45999</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22224218$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Mahon, J.</creatorcontrib><creatorcontrib>Meskell, C.</creatorcontrib><title>Surface pressure distribution survey in normal triangular tube arrays</title><title>Journal of fluids and structures</title><description>As a first step towards a validation database for models of fluidelastic instability, an experimental parametric study of the surface pressure on a cylinder in the third row of three normal triangular tube arrays (
P
/
d
=
1.32
, 1.58 and 1.97) with air cross flow has been performed. A range of static tube displacements were examined. Forces were calculated from the pressure measurements providing an understanding of the force generation mechanism. The results show that the fluid forces do not scale proportionally with dynamic head. However, no simple parameterisation was found for the lift force. A bistable flow instability was observed in the pitch ratio of 1.58 even when the tube was displaced. This phenomena resulted in the large asymmetry observed in the pressure distribution around a static cylinder. It is concluded that the fluid forces which are related to fluidelastic instability are dependent on Reynolds number and pitch ratio.</description><subject>Exact sciences and technology</subject><subject>Flow instability</subject><subject>Fluid dynamics</subject><subject>Fluid forces</subject><subject>Fluidelastic instability</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Hydrodynamic stability</subject><subject>Physics</subject><subject>Solid mechanics</subject><subject>Structural and continuum mechanics</subject><subject>Surface pressure distribution</subject><subject>Tube arrays</subject><subject>Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)</subject><issn>0889-9746</issn><issn>1095-8622</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqNkFtLAzEQhYMoWKv_YUH0bddc9pLgk5R6gYIP6nPIJrOSst2tk02h_95Ii-Cb8zIw8805zCHkmtGCUVbfrYt110fvwoTRTqHglKqCNgWl9QmZMaqqXNacn5IZlVLlqinrc3IRwpomsBRsRpZvETtjIdsihBARMueTmm_j5MchS5Md7DM_ZMOIG9NnaWWGz9gbzKbYQmYQzT5ckrPO9AGujn1OPh6X74vnfPX69LJ4WOVWSDnlEmwLRtnOCseUYBVrK2EUUGmsEqqTrALOlHEgeA2ttWWjnGxk46qSNhUVc3J70N3i-BUhTHrjg4W-NwOMMWhR85JKpRJ4fwAtjiEgdHqLfmNwrxnVP9Hptf4Tnf6JTtNGp-jS9c3RxgRr-g7NYH34leCpSs5k4pYHDtLPOw-og_UwWHAewU7ajf5fft_Cfo6i</recordid><startdate>20091101</startdate><enddate>20091101</enddate><creator>Mahon, J.</creator><creator>Meskell, C.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>H8D</scope><scope>KR7</scope><scope>L7M</scope></search><sort><creationdate>20091101</creationdate><title>Surface pressure distribution survey in normal triangular tube arrays</title><author>Mahon, J. ; Meskell, C.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c388t-8ecbea9cfc3d193151b53a9e08ac939f815e219ade326ebcc479d8787d5407503</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Exact sciences and technology</topic><topic>Flow instability</topic><topic>Fluid dynamics</topic><topic>Fluid forces</topic><topic>Fluidelastic instability</topic><topic>Fundamental areas of phenomenology (including applications)</topic><topic>Hydrodynamic stability</topic><topic>Physics</topic><topic>Solid mechanics</topic><topic>Structural and continuum mechanics</topic><topic>Surface pressure distribution</topic><topic>Tube arrays</topic><topic>Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mahon, J.</creatorcontrib><creatorcontrib>Meskell, C.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of fluids and structures</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Mahon, J.</au><au>Meskell, C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Surface pressure distribution survey in normal triangular tube arrays</atitle><jtitle>Journal of fluids and structures</jtitle><date>2009-11-01</date><risdate>2009</risdate><volume>25</volume><issue>8</issue><spage>1348</spage><epage>1368</epage><pages>1348-1368</pages><issn>0889-9746</issn><eissn>1095-8622</eissn><coden>JFSTEF</coden><abstract>As a first step towards a validation database for models of fluidelastic instability, an experimental parametric study of the surface pressure on a cylinder in the third row of three normal triangular tube arrays (
P
/
d
=
1.32
, 1.58 and 1.97) with air cross flow has been performed. A range of static tube displacements were examined. Forces were calculated from the pressure measurements providing an understanding of the force generation mechanism. The results show that the fluid forces do not scale proportionally with dynamic head. However, no simple parameterisation was found for the lift force. A bistable flow instability was observed in the pitch ratio of 1.58 even when the tube was displaced. This phenomena resulted in the large asymmetry observed in the pressure distribution around a static cylinder. It is concluded that the fluid forces which are related to fluidelastic instability are dependent on Reynolds number and pitch ratio.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.jfluidstructs.2009.07.006</doi><tpages>21</tpages></addata></record> |
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| ispartof | Journal of fluids and structures, 2009-11, Vol.25 (8), p.1348-1368 |
| issn | 0889-9746 1095-8622 |
| language | eng |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | Exact sciences and technology Flow instability Fluid dynamics Fluid forces Fluidelastic instability Fundamental areas of phenomenology (including applications) Hydrodynamic stability Physics Solid mechanics Structural and continuum mechanics Surface pressure distribution Tube arrays Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...) |
| title | Surface pressure distribution survey in normal triangular tube arrays |
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