Numerical Study on Heat Transfer Enhancement in a Circular Dimpled Surface by Using Inline and Staggered Pattern at Laminar Flow Regimes
This paper presents the numerical studies of an irregular surface – a circular dimpled surface with different patterns of dimple arrangement (i.e., inline and staggered) and to identify the one that gives maximum heat transfer rate under laminar flow conditions. The comparative studies are made with...
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| Veröffentlicht in: | Applied mechanics and materials 2015-11, Vol.813-814, p.754-759 |
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| creator | Guntamadugu Hemanth, Kumar Seralathan, S. Micha Premkumar, T. Ravikumar, T.S. |
| description | This paper presents the numerical studies of an irregular surface – a circular dimpled surface with different patterns of dimple arrangement (i.e., inline and staggered) and to identify the one that gives maximum heat transfer rate under laminar flow conditions. The comparative studies are made with a flat plate. The studies are carried out with inlet velocities 1 m/s and 49 m/s at laminar flow regimes. The investigations revealed that heat transfer rate increases as the air flow velocity increases and it decreases as the air flow velocity is decreased. Also, air flow contact with heated plate plays a vital role in heat transfer rate. Based on the study, it is concluded that the heat transfer rate depends on the surface area, air flow velocity and the air flow contact with the heated plate. At air velocities 1 m/s and 49 m/s, the heat transfer rate is highest for the circular dimple with staggered pattern under the laminar flow conditions. |
| doi_str_mv | 10.4028/www.scientific.net/AMM.813-814.754 |
| format | Article |
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The comparative studies are made with a flat plate. The studies are carried out with inlet velocities 1 m/s and 49 m/s at laminar flow regimes. The investigations revealed that heat transfer rate increases as the air flow velocity increases and it decreases as the air flow velocity is decreased. Also, air flow contact with heated plate plays a vital role in heat transfer rate. Based on the study, it is concluded that the heat transfer rate depends on the surface area, air flow velocity and the air flow contact with the heated plate. 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At air velocities 1 m/s and 49 m/s, the heat transfer rate is highest for the circular dimple with staggered pattern under the laminar flow conditions.</description><subject>Air flow</subject><subject>Circularity</subject><subject>Dimpling</subject><subject>Flow velocity</subject><subject>Heat transfer</subject><subject>Laminar flow</subject><subject>Laminar heat transfer</subject><subject>Studies</subject><issn>1660-9336</issn><issn>1662-7482</issn><issn>1662-7482</issn><isbn>9783038356646</isbn><isbn>3038356646</isbn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqNkctO3DAUhq1epALlHSx1VynBtzjOkg5QkIa2KrC2HOd4MEqcqe1oNG_AY9cwldplF0dncX59v3Q-hD5TUgvC1Nlut6uT9RCyd97WAfLZ-e1trSivFBV124g36IhKyapWKPYWnXat4oQr3kgp5LvXG6k6zuUHdJzSEyFSUKGO0PO3ZYLorRnxXV6GPZ4DvgaT8X00ITmI-DI8mmBhKt3YB2zwyke7jCbiCz9tRxjw3RKdsYD7PX5IPmzwTRh9AGxCuWWz2UAsqR8mZ4gFkPHaTD4UwNU47_BP2PgJ0kf03pkxwemffYIeri7vV9fV-vvXm9X5urKMclENklHWWQqu54L1A2XMtVb1lhIy9ANnlPCmdb0zw9A1fUdb2kpBoLEtYZYpfoI-HbjbOP9aIGX9NC8xlEpNO8JFx1TLSurLIWXjnFIEp7fRTybuNSX6xYguRvRfI7oY0cWILkbKCF2MFMjFAZJffpnBPv7T9f-Y3--xnN8</recordid><startdate>20151127</startdate><enddate>20151127</enddate><creator>Guntamadugu Hemanth, Kumar</creator><creator>Seralathan, S.</creator><creator>Micha Premkumar, T.</creator><creator>Ravikumar, T.S.</creator><general>Trans Tech Publications Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7TB</scope><scope>8BQ</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BFMQW</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>FR3</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>KR7</scope><scope>L6V</scope><scope>M7S</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope></search><sort><creationdate>20151127</creationdate><title>Numerical Study on Heat Transfer Enhancement in a Circular Dimpled Surface by Using Inline and Staggered Pattern at Laminar Flow Regimes</title><author>Guntamadugu Hemanth, Kumar ; 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The comparative studies are made with a flat plate. The studies are carried out with inlet velocities 1 m/s and 49 m/s at laminar flow regimes. The investigations revealed that heat transfer rate increases as the air flow velocity increases and it decreases as the air flow velocity is decreased. Also, air flow contact with heated plate plays a vital role in heat transfer rate. Based on the study, it is concluded that the heat transfer rate depends on the surface area, air flow velocity and the air flow contact with the heated plate. At air velocities 1 m/s and 49 m/s, the heat transfer rate is highest for the circular dimple with staggered pattern under the laminar flow conditions.</abstract><cop>Zurich</cop><pub>Trans Tech Publications Ltd</pub><doi>10.4028/www.scientific.net/AMM.813-814.754</doi><tpages>6</tpages></addata></record> |
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| subjects | Air flow Circularity Dimpling Flow velocity Heat transfer Laminar flow Laminar heat transfer Studies |
| title | Numerical Study on Heat Transfer Enhancement in a Circular Dimpled Surface by Using Inline and Staggered Pattern at Laminar Flow Regimes |
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