Národní úložiště šedé literatury Nalezeno 2 záznamů.  Hledání trvalo 0.00 vteřin. 
Temperature profiles and temperature fluctuations in turbulent Rayleigh-Bénard convection
Drahotský, Jakub ; Mantia,, Marco La (oponent) ; Urban, Pavel (vedoucí práce)
This work describes experimental research directed at the study of vertical temperature profiles and fluctuations in the turbulent Rayleigh-Bénard convection. Experiments took place in Barrel of Ilmenau containing the cylindrical experimental cell with a diameter of 7.15 m and the height of 4.70 m (the aspect ratio = 1.5) filled with dry air. The temperature profiles and fluctuations were studied along the vertical axis of the cell between the top and bottom plates within the range of Rayleigh number (Ra) of 1E11 4E12. The temperature profiles were measured by a novel method using the optical fibre system Luna ODiSI-B which was purchased by the team in Ilmenau. The system permits to measure the temperature profile simultaneously along the whole optical fibre length with a spatial resolution of 5 mm.
Temperature profiles and temperature fluctuations in turbulent Rayleigh-Bénard convection
Drahotský, Jakub ; Mantia,, Marco La (oponent) ; Urban, Pavel (vedoucí práce)
This work describes experimental research directed at the study of vertical temperature profiles and fluctuations in the turbulent Rayleigh-Bénard convection. Experiments took place in Barrel of Ilmenau containing the cylindrical experimental cell with a diameter of 7.15 m and the height of 4.70 m (the aspect ratio = 1.5) filled with dry air. The temperature profiles and fluctuations were studied along the vertical axis of the cell between the top and bottom plates within the range of Rayleigh number (Ra) of 1E11 4E12. The temperature profiles were measured by a novel method using the optical fibre system Luna ODiSI-B which was purchased by the team in Ilmenau. The system permits to measure the temperature profile simultaneously along the whole optical fibre length with a spatial resolution of 5 mm.

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