Radiation effects on natural convection laminar flow from a horizontal circular cylinder
The effect of radiation on natural convection flow from an isothermal circular cylinder has been investigated numerically in this study. The governing boundary layer equations of motion are transformed into a non-dimensional form and the resulting nonlinear systems of partial differ-ential equations...
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| Veröffentlicht in: | Desalination and water treatment 2011-06, Vol.30 (1-3), p.1-9 |
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| creator | Molla, M.M. Saha, S.C. Khan, M.A.I. Hossain, M.A. |
| description | The effect of radiation on natural convection flow from an isothermal circular cylinder has been investigated numerically in this study. The governing boundary layer equations of motion are transformed into a non-dimensional form and the resulting nonlinear systems of partial differ-ential equations are reduced to convenient boundary layer equations, which are then solved numeri-cally by two distinct efficient methods namely: (i) implicit finite difference method or the Keller-Box Method (KBM) and (ii) Straight Forward Finite Difference Method (SFFD). Numerical results are presented by velocity and temperature distribution of the fluid as well as heat transfer characteris-tics, namely the shearing stress and the local heat transfer rate in terms of the local skin-friction coefficient and the local Nusselt number for a wide range of surface heating parameter and radiation-conduction parameter. Due to the effects of the radiation the skin-friction coefficients as well as the rate of heat transfer increased and consequently the momentum and thermal boundary layer thickness enhanced. |
| doi_str_mv | 10.5004/dwt.2011.1870 |
| format | Article |
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The governing boundary layer equations of motion are transformed into a non-dimensional form and the resulting nonlinear systems of partial differ-ential equations are reduced to convenient boundary layer equations, which are then solved numeri-cally by two distinct efficient methods namely: (i) implicit finite difference method or the Keller-Box Method (KBM) and (ii) Straight Forward Finite Difference Method (SFFD). Numerical results are presented by velocity and temperature distribution of the fluid as well as heat transfer characteris-tics, namely the shearing stress and the local heat transfer rate in terms of the local skin-friction coefficient and the local Nusselt number for a wide range of surface heating parameter and radiation-conduction parameter. Due to the effects of the radiation the skin-friction coefficients as well as the rate of heat transfer increased and consequently the momentum and thermal boundary layer thickness enhanced.</description><identifier>ISSN: 1944-3986</identifier><identifier>ISSN: 1944-3994</identifier><identifier>EISSN: 1944-3986</identifier><identifier>DOI: 10.5004/dwt.2011.1870</identifier><language>eng</language><publisher>L'Aquila: Elsevier Inc</publisher><subject>Applied sciences ; Boundary layer ; Boundary layer equations ; Boundary layer thickness ; Boundary layers ; Circular cylinders ; Coefficients ; Computational fluid dynamics ; Conduction ; Conduction heating ; Convection ; Cylinders ; Equations of motion ; Exact sciences and technology ; Finite difference method ; Fluid flow ; Friction ; Heat transfer ; Heating ; Horizontal circular cylinder ; Laminar flow ; Mathematical models ; Momentum ; Natural convection ; Nonlinear systems ; Nusselt number ; Pollution ; Radiation effects ; Radiation-conduction interaction ; Shear stress ; Shearing ; Skin ; Skin friction ; Temperature distribution ; Thermal boundary layer ; Velocity ; Viscosity ; Water treatment and pollution</subject><ispartof>Desalination and water treatment, 2011-06, Vol.30 (1-3), p.1-9</ispartof><rights>2011 Elsevier Inc.</rights><rights>2015 INIST-CNRS</rights><rights>Copyright Taylor & Francis Group, LLC</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c382t-520a1f28910655a2fdd5c48dfc4f4605bade3d726cac24835967be886549a603</citedby><cites>FETCH-LOGICAL-c382t-520a1f28910655a2fdd5c48dfc4f4605bade3d726cac24835967be886549a603</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782,27907,27908</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=24397135$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Molla, M.M.</creatorcontrib><creatorcontrib>Saha, S.C.</creatorcontrib><creatorcontrib>Khan, M.A.I.</creatorcontrib><creatorcontrib>Hossain, M.A.</creatorcontrib><title>Radiation effects on natural convection laminar flow from a horizontal circular cylinder</title><title>Desalination and water treatment</title><description>The effect of radiation on natural convection flow from an isothermal circular cylinder has been investigated numerically in this study. The governing boundary layer equations of motion are transformed into a non-dimensional form and the resulting nonlinear systems of partial differ-ential equations are reduced to convenient boundary layer equations, which are then solved numeri-cally by two distinct efficient methods namely: (i) implicit finite difference method or the Keller-Box Method (KBM) and (ii) Straight Forward Finite Difference Method (SFFD). Numerical results are presented by velocity and temperature distribution of the fluid as well as heat transfer characteris-tics, namely the shearing stress and the local heat transfer rate in terms of the local skin-friction coefficient and the local Nusselt number for a wide range of surface heating parameter and radiation-conduction parameter. Due to the effects of the radiation the skin-friction coefficients as well as the rate of heat transfer increased and consequently the momentum and thermal boundary layer thickness enhanced.</description><subject>Applied sciences</subject><subject>Boundary layer</subject><subject>Boundary layer equations</subject><subject>Boundary layer thickness</subject><subject>Boundary layers</subject><subject>Circular cylinders</subject><subject>Coefficients</subject><subject>Computational fluid dynamics</subject><subject>Conduction</subject><subject>Conduction heating</subject><subject>Convection</subject><subject>Cylinders</subject><subject>Equations of motion</subject><subject>Exact sciences and technology</subject><subject>Finite difference method</subject><subject>Fluid flow</subject><subject>Friction</subject><subject>Heat transfer</subject><subject>Heating</subject><subject>Horizontal circular cylinder</subject><subject>Laminar flow</subject><subject>Mathematical models</subject><subject>Momentum</subject><subject>Natural convection</subject><subject>Nonlinear systems</subject><subject>Nusselt number</subject><subject>Pollution</subject><subject>Radiation effects</subject><subject>Radiation-conduction interaction</subject><subject>Shear stress</subject><subject>Shearing</subject><subject>Skin</subject><subject>Skin friction</subject><subject>Temperature distribution</subject><subject>Thermal boundary layer</subject><subject>Velocity</subject><subject>Viscosity</subject><subject>Water treatment and pollution</subject><issn>1944-3986</issn><issn>1944-3994</issn><issn>1944-3986</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNp1kEtLAzEQgIMoWLRH7wvicWue-zhK8QUFQXrwFqZ5YMo2qcluS_31ZmkRL-Yyw8yXGeZD6IbgmcCY3-t9P6OYkBlpanyGJqTlvGRtU53_yS_RNKU1zk_wWnA6QR_voB30LvjCWGtUn4qceuiHCF2hgt_l2tjtYOM8xMJ2YV_YGDYFFJ8huu_g-5F0UQ1d7qtD57w28RpdWOiSmZ7iFVo-PS7nL-Xi7fl1_rAoFWtoXwqKgVjatARXQgC1WgvFG20Vt7zCYgXaMF3TSoGivGGireqVaZpK8BYqzK7Q7XHsNoavwaRersMQfd4oScs4ZpjiOlPlkVIxpBSNldvoNhAPkmA56pNZnxz1yVFf5u9OUyEp6GwEr1z6_UQ5a2vCRObqI2fyhTtnokzKGa-MdjF7kzq4fzb8AOSRgs4</recordid><startdate>20110601</startdate><enddate>20110601</enddate><creator>Molla, M.M.</creator><creator>Saha, S.C.</creator><creator>Khan, M.A.I.</creator><creator>Hossain, M.A.</creator><general>Elsevier Inc</general><general>Desalination Publications</general><general>Elsevier Limited</general><scope>6I.</scope><scope>AAFTH</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7QL</scope><scope>7QO</scope><scope>7ST</scope><scope>7T7</scope><scope>7TN</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H96</scope><scope>H97</scope><scope>KR7</scope><scope>L.G</scope><scope>M7N</scope><scope>P64</scope><scope>SOI</scope></search><sort><creationdate>20110601</creationdate><title>Radiation effects on natural convection laminar flow from a horizontal circular cylinder</title><author>Molla, M.M. ; 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The governing boundary layer equations of motion are transformed into a non-dimensional form and the resulting nonlinear systems of partial differ-ential equations are reduced to convenient boundary layer equations, which are then solved numeri-cally by two distinct efficient methods namely: (i) implicit finite difference method or the Keller-Box Method (KBM) and (ii) Straight Forward Finite Difference Method (SFFD). Numerical results are presented by velocity and temperature distribution of the fluid as well as heat transfer characteris-tics, namely the shearing stress and the local heat transfer rate in terms of the local skin-friction coefficient and the local Nusselt number for a wide range of surface heating parameter and radiation-conduction parameter. Due to the effects of the radiation the skin-friction coefficients as well as the rate of heat transfer increased and consequently the momentum and thermal boundary layer thickness enhanced.</abstract><cop>L'Aquila</cop><pub>Elsevier Inc</pub><doi>10.5004/dwt.2011.1870</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Applied sciences Boundary layer Boundary layer equations Boundary layer thickness Boundary layers Circular cylinders Coefficients Computational fluid dynamics Conduction Conduction heating Convection Cylinders Equations of motion Exact sciences and technology Finite difference method Fluid flow Friction Heat transfer Heating Horizontal circular cylinder Laminar flow Mathematical models Momentum Natural convection Nonlinear systems Nusselt number Pollution Radiation effects Radiation-conduction interaction Shear stress Shearing Skin Skin friction Temperature distribution Thermal boundary layer Velocity Viscosity Water treatment and pollution |
| title | Radiation effects on natural convection laminar flow from a horizontal circular cylinder |
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