Convective heat transfer of nanofluids with correlations
To investigate the convective heat transfer of nanofluids, experiments were performed using silver-water nanofluids under laminar, transition and turbulent flow regimes in a horizontal 4.3 mm inner-diameter tube-in-tube counter-current heat transfer test section. The volume concentration of the nano...
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| Veröffentlicht in: | Particuology 2011-12, Vol.9 (6), p.626-631 |
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| creator | Asirvatham, Lazarus Godson Raja, Balakrishnan Mohan Lal, Dhasan Wongwises, Somchai |
| description | To investigate the convective heat transfer of nanofluids, experiments were performed using silver-water nanofluids under laminar, transition and turbulent flow regimes in a horizontal 4.3 mm inner-diameter tube-in-tube counter-current heat transfer test section. The volume concentration of the nanoparticles varied from 0.3% to 0.9% in steps of 0.3%, and the effects of thermo-physical properties, inlet temperature, volume concentration, and mass flow rate on heat transfer coefficient were investigated. Experiments showed that the suspended nanoparticles remarkably increased the convective heat transfer coefficient, by as much as 28.7% and 69.3% for 0.3% and 0.9% of silver content, respectively. Based on the experimental results a correlation was developed to predict the Nusselt number of the silver-water nanofluid, with ＋10% agreement between experiments and prediction. |
| doi_str_mv | 10.1016/j.partic.2011.03.014 |
| format | Article |
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The volume concentration of the nanoparticles varied from 0.3% to 0.9% in steps of 0.3%, and the effects of thermo-physical properties, inlet temperature, volume concentration, and mass flow rate on heat transfer coefficient were investigated. Experiments showed that the suspended nanoparticles remarkably increased the convective heat transfer coefficient, by as much as 28.7% and 69.3% for 0.3% and 0.9% of silver content, respectively. Based on the experimental results a correlation was developed to predict the Nusselt number of the silver-water nanofluid, with ＋10% agreement between experiments and prediction.</description><identifier>ISSN: 1674-2001</identifier><identifier>EISSN: 2210-4291</identifier><identifier>DOI: 10.1016/j.partic.2011.03.014</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Convective heat transfer ; Correlation ; Fluid dynamics ; Fluid flow ; Laminar ; Nanocomposites ; Nanofluid ; Nanofluids ; Nanomaterials ; Nanostructure ; Silver ; Transition ; Turbulent ; Turbulent flow ; 体积浓度 ; 化学性质 ; 对流换热系数 ; 热物理性质 ; 纳米流体 ; 纳米粒子 ; 逆流换热 ; 银含量</subject><ispartof>Particuology, 2011-12, Vol.9 (6), p.626-631</ispartof><rights>2011 Chinese Society of Particuology and Institute of Process Engineering, Chinese Academy of Sciences</rights><rights>Copyright © Wanfang Data Co. Ltd. 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The volume concentration of the nanoparticles varied from 0.3% to 0.9% in steps of 0.3%, and the effects of thermo-physical properties, inlet temperature, volume concentration, and mass flow rate on heat transfer coefficient were investigated. Experiments showed that the suspended nanoparticles remarkably increased the convective heat transfer coefficient, by as much as 28.7% and 69.3% for 0.3% and 0.9% of silver content, respectively. Based on the experimental results a correlation was developed to predict the Nusselt number of the silver-water nanofluid, with ＋10% agreement between experiments and prediction.</description><subject>Convective heat transfer</subject><subject>Correlation</subject><subject>Fluid dynamics</subject><subject>Fluid flow</subject><subject>Laminar</subject><subject>Nanocomposites</subject><subject>Nanofluid</subject><subject>Nanofluids</subject><subject>Nanomaterials</subject><subject>Nanostructure</subject><subject>Silver</subject><subject>Transition</subject><subject>Turbulent</subject><subject>Turbulent flow</subject><subject>体积浓度</subject><subject>化学性质</subject><subject>对流换热系数</subject><subject>热物理性质</subject><subject>纳米流体</subject><subject>纳米粒子</subject><subject>逆流换热</subject><subject>银含量</subject><issn>1674-2001</issn><issn>2210-4291</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNqFkEtvEzEUhS0EEqHtP2Ax7GAxw_UjtmeDhCIelSqxadeWx3OdOEzt1J6kwK_HYcq6q7v57jk6HyFvKXQUqPy47w42z8F1DCjtgHdAxQuyYoxCK1hPX5IVlUq0DIC-Jm9K2QNIJhlfEb1J8YRuDidsdmjnZs42Fo-5Sb6JNiY_HcNYmscw7xqXcsbJziHFckleeTsVvHq6F-Tu65fbzff25se3683nm9bxvp_bUWsulNajAO5Qj1KNqvfeDaD79ajWahCouBZ6EEJwqge3xl57rp3kUlPgF-TDkvtoo7dxa_bpmGNtNH-2P6dfg8HzaJDwj32_sIecHo5YZnMfisNpshHTsZgqC7TqGVMVFQvqciolozeHHO5t_l2hMyfN3ixSzTnfADdVan37tLxhnXwKmE1xAaPDMeRq0YwpPBfw7ql3l-L2IdRB_4urISlBaf4XkB-LtQ</recordid><startdate>20111201</startdate><enddate>20111201</enddate><creator>Asirvatham, Lazarus Godson</creator><creator>Raja, Balakrishnan</creator><creator>Mohan Lal, Dhasan</creator><creator>Wongwises, Somchai</creator><general>Elsevier B.V</general><general>R(&)AC Division, Department of Mechanical Engineering, College of Engineering, Guindy, Anna University, Chennai 600 025, Tamil Nadu, India%Indian Institute of Information Technology, Design and Manufacturing(IIITD(&)M)-Kancheepuram, Chennai 600 048, India%Fluid Mechanics, Thermal Engineering and Multiphase Flow Research Lab(FUTURE), Department of Mechanical Engineering, King Mongkut's University of Technology Thonburi,126 Bangmod, Tongkru, Bangkok 10140, Thailand</general><general>The Academy of Science, The Royal Institute of Thailand, Saham Suea Pa, Dusit, Bangkok 10300, Thailand</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7TB</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><scope>2B.</scope><scope>4A8</scope><scope>92I</scope><scope>93N</scope><scope>PSX</scope><scope>TCJ</scope></search><sort><creationdate>20111201</creationdate><title>Convective heat transfer of nanofluids with correlations</title><author>Asirvatham, Lazarus Godson ; 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The volume concentration of the nanoparticles varied from 0.3% to 0.9% in steps of 0.3%, and the effects of thermo-physical properties, inlet temperature, volume concentration, and mass flow rate on heat transfer coefficient were investigated. Experiments showed that the suspended nanoparticles remarkably increased the convective heat transfer coefficient, by as much as 28.7% and 69.3% for 0.3% and 0.9% of silver content, respectively. Based on the experimental results a correlation was developed to predict the Nusselt number of the silver-water nanofluid, with ＋10% agreement between experiments and prediction.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.partic.2011.03.014</doi><tpages>6</tpages></addata></record> |
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| subjects | Convective heat transfer Correlation Fluid dynamics Fluid flow Laminar Nanocomposites Nanofluid Nanofluids Nanomaterials Nanostructure Silver Transition Turbulent Turbulent flow 体积浓度 化学性质 对流换热系数 热物理性质 纳米流体 纳米粒子 逆流换热 银含量 |
| title | Convective heat transfer of nanofluids with correlations |
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