Mean wind in convective turbulence of mercury.

@article{Tsuji2005MeanWI,
  title={Mean wind in convective turbulence of mercury.},
  author={Yoshiyuki Tsuji and Takatoshi Mizuno and Takashi Mashiko and Masaki Sano},
  journal={Physical review letters},
  year={2005},
  volume={94 3},
  pages={034501}
}
The large-scale circulation, often called "wind," in the confined thermal turbulence of mercury is studied experimentally. The instantaneous velocity profile at 128 points is directly measured using ultrasonic velocimetry. The periodic velocity oscillation is observed in the case of the aspect-ratio Gamma = 1,2 but not in Gamma = 0.5. Its peak frequency is scaled by f(c) proportional Ra(gamma(c)), where Ra is the Rayleigh number and gamma(c) = 0.43,0.45 for Gamma = 1,2. f(c) is close to the… CONTINUE READING

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