Numerical simulation of the flow around and through a hygroscopic porous circular cylinder
•Effects of adsorption due to the hygroscopicity of the porous cylinder are studied.•The critical Reynolds number of porous cylinder might be lower than the solid one.•Effects of adsorption have a significant effect on the flow behind the cylinder.•The rise of temperature due to heat released effect...
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| Veröffentlicht in: | Computers & fluids 2014-03, Vol.92, p.188-198 |
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| creator | Zhu, Qingyong Chen, Yaoqin Yu, Huaizhong |
| description | •Effects of adsorption due to the hygroscopicity of the porous cylinder are studied.•The critical Reynolds number of porous cylinder might be lower than the solid one.•Effects of adsorption have a significant effect on the flow behind the cylinder.•The rise of temperature due to heat released effects the separation.
The flow around and through a hygroscopic porous circular cylinder was studied numerically in this paper. The cylinder is placed horizontally and exposed to a uniform flow of air. The effects of the important parameters, the hygroscopicity, the porosity, the Reynolds and Darcy numbers, on the flow are investigated in detail. A single-domain model is introduced to describe the flow around and through a porous circular cylinder with consideration of the adsorption effects. The flow is simulated by solving time-dependent Navier–Stokes equations in the homogenous fluid region and Darcy–Brinkman–Forchheimer extended model in the inner region. High order compact finite difference schemes are constructed for better simulation of this problem. Detailed numerical simulation results indicate that the effects of adsorption may have a significant effect on the flow behind the porous cylinder and suppress the occurrence of recirculating wake. |
| doi_str_mv | 10.1016/j.compfluid.2013.12.022 |
| format | Article |
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The flow around and through a hygroscopic porous circular cylinder was studied numerically in this paper. The cylinder is placed horizontally and exposed to a uniform flow of air. The effects of the important parameters, the hygroscopicity, the porosity, the Reynolds and Darcy numbers, on the flow are investigated in detail. A single-domain model is introduced to describe the flow around and through a porous circular cylinder with consideration of the adsorption effects. The flow is simulated by solving time-dependent Navier–Stokes equations in the homogenous fluid region and Darcy–Brinkman–Forchheimer extended model in the inner region. High order compact finite difference schemes are constructed for better simulation of this problem. Detailed numerical simulation results indicate that the effects of adsorption may have a significant effect on the flow behind the porous cylinder and suppress the occurrence of recirculating wake.</description><identifier>ISSN: 0045-7930</identifier><identifier>EISSN: 1879-0747</identifier><identifier>DOI: 10.1016/j.compfluid.2013.12.022</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>Adsorption effects ; Circular cylinders ; Computational fluid dynamics ; Computer simulation ; Cylinders ; Fluid flow ; Heat transfer ; High order accurate compact difference schemes ; Hygroscopic porous circular cylinder ; Mathematical analysis ; Mathematical models ; Navier-Stokes equations</subject><ispartof>Computers & fluids, 2014-03, Vol.92, p.188-198</ispartof><rights>2013 Elsevier Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c381t-5332f5860b245b87f7e0ec3e2847b21a0b121236a581c22849bd93f9cb417ddc3</citedby><cites>FETCH-LOGICAL-c381t-5332f5860b245b87f7e0ec3e2847b21a0b121236a581c22849bd93f9cb417ddc3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.compfluid.2013.12.022$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3549,27923,27924,45994</link.rule.ids></links><search><creatorcontrib>Zhu, Qingyong</creatorcontrib><creatorcontrib>Chen, Yaoqin</creatorcontrib><creatorcontrib>Yu, Huaizhong</creatorcontrib><title>Numerical simulation of the flow around and through a hygroscopic porous circular cylinder</title><title>Computers & fluids</title><description>•Effects of adsorption due to the hygroscopicity of the porous cylinder are studied.•The critical Reynolds number of porous cylinder might be lower than the solid one.•Effects of adsorption have a significant effect on the flow behind the cylinder.•The rise of temperature due to heat released effects the separation.
The flow around and through a hygroscopic porous circular cylinder was studied numerically in this paper. The cylinder is placed horizontally and exposed to a uniform flow of air. The effects of the important parameters, the hygroscopicity, the porosity, the Reynolds and Darcy numbers, on the flow are investigated in detail. A single-domain model is introduced to describe the flow around and through a porous circular cylinder with consideration of the adsorption effects. The flow is simulated by solving time-dependent Navier–Stokes equations in the homogenous fluid region and Darcy–Brinkman–Forchheimer extended model in the inner region. High order compact finite difference schemes are constructed for better simulation of this problem. Detailed numerical simulation results indicate that the effects of adsorption may have a significant effect on the flow behind the porous cylinder and suppress the occurrence of recirculating wake.</description><subject>Adsorption effects</subject><subject>Circular cylinders</subject><subject>Computational fluid dynamics</subject><subject>Computer simulation</subject><subject>Cylinders</subject><subject>Fluid flow</subject><subject>Heat transfer</subject><subject>High order accurate compact difference schemes</subject><subject>Hygroscopic porous circular cylinder</subject><subject>Mathematical analysis</subject><subject>Mathematical models</subject><subject>Navier-Stokes equations</subject><issn>0045-7930</issn><issn>1879-0747</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqFULtOxDAQtBBIHI9vwCVNgtdOYqdEiJeEoIGGxnI2DudTEgc7Ad3fY3SI9orVPjQz2hlCLoDlwKC62uToh6nrF9fmnIHIgeeM8wOyAiXrjMlCHpIVY0WZyVqwY3IS44alXfBiRd6fl8EGh6an0Q1Lb2bnR-o7Oq8t7Xr_TU3wy9hSk2pep_ljTQ1dbz-Cj-gnh3Ty6RopuoCJHyhueze2NpyRo8700Z7_9VPydnf7evOQPb3cP95cP2UoFMxZKQTvSlWxhhdlo2QnLbMoLFeFbDgY1gAHLipTKkCernXT1qKrsSlAti2KU3K5052C_1xsnPXgItq-N6NNj2mopKwVVKreDy1LYFJCoRJU7qCYjMZgOz0FN5iw1cD0b_B6o_-D17_Ba-A6BZ-Y1zumTaa_nA06orMj2tYFi7Nuvdur8QMTu5EF</recordid><startdate>20140320</startdate><enddate>20140320</enddate><creator>Zhu, Qingyong</creator><creator>Chen, Yaoqin</creator><creator>Yu, Huaizhong</creator><general>Elsevier Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H96</scope><scope>L.G</scope><scope>7SC</scope><scope>7TB</scope><scope>7U5</scope><scope>8FD</scope><scope>FR3</scope><scope>H8D</scope><scope>JQ2</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope></search><sort><creationdate>20140320</creationdate><title>Numerical simulation of the flow around and through a hygroscopic porous circular cylinder</title><author>Zhu, Qingyong ; Chen, Yaoqin ; Yu, Huaizhong</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c381t-5332f5860b245b87f7e0ec3e2847b21a0b121236a581c22849bd93f9cb417ddc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Adsorption effects</topic><topic>Circular cylinders</topic><topic>Computational fluid dynamics</topic><topic>Computer simulation</topic><topic>Cylinders</topic><topic>Fluid flow</topic><topic>Heat transfer</topic><topic>High order accurate compact difference schemes</topic><topic>Hygroscopic porous circular cylinder</topic><topic>Mathematical analysis</topic><topic>Mathematical models</topic><topic>Navier-Stokes equations</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhu, Qingyong</creatorcontrib><creatorcontrib>Chen, Yaoqin</creatorcontrib><creatorcontrib>Yu, Huaizhong</creatorcontrib><collection>CrossRef</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Computer and Information Systems Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><jtitle>Computers & fluids</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhu, Qingyong</au><au>Chen, Yaoqin</au><au>Yu, Huaizhong</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Numerical simulation of the flow around and through a hygroscopic porous circular cylinder</atitle><jtitle>Computers & fluids</jtitle><date>2014-03-20</date><risdate>2014</risdate><volume>92</volume><spage>188</spage><epage>198</epage><pages>188-198</pages><issn>0045-7930</issn><eissn>1879-0747</eissn><abstract>•Effects of adsorption due to the hygroscopicity of the porous cylinder are studied.•The critical Reynolds number of porous cylinder might be lower than the solid one.•Effects of adsorption have a significant effect on the flow behind the cylinder.•The rise of temperature due to heat released effects the separation.
The flow around and through a hygroscopic porous circular cylinder was studied numerically in this paper. The cylinder is placed horizontally and exposed to a uniform flow of air. The effects of the important parameters, the hygroscopicity, the porosity, the Reynolds and Darcy numbers, on the flow are investigated in detail. A single-domain model is introduced to describe the flow around and through a porous circular cylinder with consideration of the adsorption effects. The flow is simulated by solving time-dependent Navier–Stokes equations in the homogenous fluid region and Darcy–Brinkman–Forchheimer extended model in the inner region. High order compact finite difference schemes are constructed for better simulation of this problem. Detailed numerical simulation results indicate that the effects of adsorption may have a significant effect on the flow behind the porous cylinder and suppress the occurrence of recirculating wake.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/j.compfluid.2013.12.022</doi><tpages>11</tpages></addata></record> |
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| ispartof | Computers & fluids, 2014-03, Vol.92, p.188-198 |
| issn | 0045-7930 1879-0747 |
| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Adsorption effects Circular cylinders Computational fluid dynamics Computer simulation Cylinders Fluid flow Heat transfer High order accurate compact difference schemes Hygroscopic porous circular cylinder Mathematical analysis Mathematical models Navier-Stokes equations |
| title | Numerical simulation of the flow around and through a hygroscopic porous circular cylinder |
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