Numerical Study of Convective Heat Transfer on the Horizontal Isothermal Rotating Disk
A numerical analysis of the transient convective flow and heat transfer on a horizontal isothermal rotating disk is presented. Simulation is carried out by solving the axisymmetric Navier-Stokes equation adhering to the Boussinesq approximation coupled to the energy equation for three Rayleigh numbe...
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| Veröffentlicht in: | Nihon Kikai Gakkai rombunshuu. B hen 1995/10/25, Vol.61(590), pp.3770-3775 |
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| Sprache: | eng ; jpn |
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| container_title | Nihon Kikai Gakkai rombunshuu. B hen |
| container_volume | 61 |
| creator | Hirose, Koichi Yokoyama, Takao Ouchi, Masaki |
| description | A numerical analysis of the transient convective flow and heat transfer on a horizontal isothermal rotating disk is presented. Simulation is carried out by solving the axisymmetric Navier-Stokes equation adhering to the Boussinesq approximation coupled to the energy equation for three Rayleigh numbers Ra = 8.4×103, 6.7×104, and 5.4×105, and varying Reynolds number (up to 1.03×104) as parameters. This paper describes isotherms, flow patterns on the isothermal rotating disk, and velocity vectors at the γ-z plane, as well as local heat transfer profile and the comparison of the average Nusselt numbers to Wagner's theoretical approximation. Numerical results demonstrate that the transient mixed convection flow and heat transfer take a minimum value by a certain Reynolds number at given Ra. |
| doi_str_mv | 10.1299/kikaib.61.3770 |
| format | Article |
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B hen</title><addtitle>JSMET</addtitle><description>A numerical analysis of the transient convective flow and heat transfer on a horizontal isothermal rotating disk is presented. Simulation is carried out by solving the axisymmetric Navier-Stokes equation adhering to the Boussinesq approximation coupled to the energy equation for three Rayleigh numbers Ra = 8.4×103, 6.7×104, and 5.4×105, and varying Reynolds number (up to 1.03×104) as parameters. This paper describes isotherms, flow patterns on the isothermal rotating disk, and velocity vectors at the γ-z plane, as well as local heat transfer profile and the comparison of the average Nusselt numbers to Wagner's theoretical approximation. 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Simulation is carried out by solving the axisymmetric Navier-Stokes equation adhering to the Boussinesq approximation coupled to the energy equation for three Rayleigh numbers Ra = 8.4×103, 6.7×104, and 5.4×105, and varying Reynolds number (up to 1.03×104) as parameters. This paper describes isotherms, flow patterns on the isothermal rotating disk, and velocity vectors at the γ-z plane, as well as local heat transfer profile and the comparison of the average Nusselt numbers to Wagner's theoretical approximation. Numerical results demonstrate that the transient mixed convection flow and heat transfer take a minimum value by a certain Reynolds number at given Ra.</abstract><pub>The Japan Society of Mechanical Engineers</pub><doi>10.1299/kikaib.61.3770</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0387-5016 |
| ispartof | Transactions of the Japan Society of Mechanical Engineers Series B, 1995/10/25, Vol.61(590), pp.3770-3775 |
| issn | 0387-5016 1884-8346 |
| language | eng ; jpn |
| recordid | cdi_proquest_miscellaneous_746040322 |
| source | J-STAGE (Japan Science & Technology Information Aggregator, Electronic) Freely Available Titles - Japanese; EZB-FREE-00999 freely available EZB journals |
| subjects | Adapted Limit of Wagner's Approximation Approximation theory Flow patterns Navier Stokes equations Numerical analysis Nusselt number Reynolds number Rotating disks |
| title | Numerical Study of Convective Heat Transfer on the Horizontal Isothermal Rotating Disk |
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