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A large thermal turbulent Taylor-Couette (THETACO) facility for investigation of turbulence induced by simultaneous action of rotation and radial temperature gradient

Abstract : A thermal Taylor-Couette facility (THETACO) has been designed to investigate turbulent flows generated by differential rotation and radial temperature gradient. It consists of a cylindrical annulus with a rotating inner cylinder and fixed outer cylinder. The electric heating system is installed inside the inner cylinder and the annulus is immersed in a large cylindrical container filled with cooling fluid. Temperature regulators control independently the temperature of the inner surface of the inner cylinder and that of the cooling fluid. The facility allows to reach values of the Reynolds number (~ 5 × 10 5) and of the Rayleigh number (~ 3 × 10 6) for water as working fluid. The facility provides torque measurements, a full optical access at the side and from the bottom for velocity measurements using PIV (2D, stereoscopic and tomographic). Temperature measurements in the flow can be performed by thermochromic liquid crystals or laser induced fluorescence.
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https://hal-normandie-univ.archives-ouvertes.fr/hal-03236921
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Submitted on : Wednesday, May 26, 2021 - 2:35:54 PM
Last modification on : Thursday, May 27, 2021 - 3:29:51 AM
Long-term archiving on: : Friday, August 27, 2021 - 7:48:14 PM

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Harminder Singh, Antoine Bonnesoeur, Hugues Besnard, Claude Houssin, Arnaud Prigent, et al.. A large thermal turbulent Taylor-Couette (THETACO) facility for investigation of turbulence induced by simultaneous action of rotation and radial temperature gradient. Review of Scientific Instruments, American Institute of Physics, 2019, 90 (11), pp.115112. ⟨10.1063/1.5119811⟩. ⟨hal-03236921⟩

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