Flow characteristics on a heated rotating disc under natural convection dominant conditions
Characteristics of circumferential vortices, which emerge on a heated rotating disc under natural convection dominant conditions, have been studied experimentally. The techniques of laser induced fluorescence (LIF) and particle image velocimetry (PIV) have been utilized as a non-invasive method to o...
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| Veröffentlicht in: | International journal of heat and mass transfer 2002-01, Vol.45 (3), p.585-595 |
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| container_end_page | 595 |
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| container_issue | 3 |
| container_start_page | 585 |
| container_title | International journal of heat and mass transfer |
| container_volume | 45 |
| creator | Ogino, Fumimaru Inamuro, Takaji Mizuta, Kei Kino, Atsushi Tomita, Ryuji |
| description | Characteristics of circumferential vortices, which emerge on a heated rotating disc under natural convection dominant conditions, have been studied experimentally. The techniques of laser induced fluorescence (LIF) and particle image velocimetry (PIV) have been utilized as a non-invasive method to obtain two-dimensional temperature and velocity distributions, respectively. The results show that the frequency of appearance of the vortex increases with increasing buoyancy effect. The ensemble averages of the temperature and vertical velocity as well as those of RMS values of temperature and vertical velocity fluctuations are large in the vortex. Most of heat is transferred vertically by fluctuations in the vortex. |
| doi_str_mv | 10.1016/S0017-9310(01)00171-5 |
| format | Article |
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| subjects | Convection and heat transfer Exact sciences and technology Fluid dynamics Fundamental areas of phenomenology (including applications) Instrumentation for fluid dynamics Physics Turbulent flows, convection, and heat transfer |
| title | Flow characteristics on a heated rotating disc under natural convection dominant conditions |
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