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- Siu Ling Lam, Xiao-dong Shang, Sheng-Qi Zhou, Ke-Qing Xia
- Physical review. E, Statistical, nonlinear, and…
- 2002

We report results from high Prandtl number turbulent thermal convection experiments. The viscous boundary layer and the Reynolds number are measured in four different fluids over wide ranges of the… (More)

- Ke-Qing Xia, Siu Ling Lam, Sheng-Qi Zhou
- Physical review letters
- 2002

We report Nusselt number measurements from high Prandtl number turbulent thermal convection experiments. The experiments are conducted in four fluids with the Prandtl number Pr varying from 4 to 1350… (More)

- Ke-Qing Xia, Chao Sun, Sheng-Qi Zhou
- Physical review. E, Statistical, nonlinear, and…
- 2003

The spatial structure of the velocity field in turbulent Rayleigh-Bénard convection in water has been measured using the particle image velocimetry technique, with the Rayleigh number Ra varying from… (More)

- Sheng-Qi Zhou, Chao Sun, Ke-Qing Xia
- Physical review. E, Statistical, nonlinear, and…
- 2007

Temperature and velocity oscillations have been found in a rectangular Rayleigh-Bénard convection cell, in which one large-scale convection roll exists. At Rayleigh number Ra=8.9x10(11) and Prandtl… (More)

- Kazuyasu Sugiyama, Rui Ni, +7 authors Detlef Lohse
- Physical review letters
- 2010

We analyze the reversals of the large-scale flow in Rayleigh-Bénard convection both through particle image velocimetry flow visualization and direct numerical simulations of the underlying Boussinesq… (More)

- Heng-Dong Xi, Sheng-Qi Zhou, Quan Zhou, Tak-Shing Chan, Ke-Qing Xia
- Physical review letters
- 2009

We report an experimental study of the three-dimensional spatial structure of the low-frequency temperature oscillations in a cylindrical Rayleigh-Bénard convection cell. Through simultaneous… (More)

- Sheng-Qi Zhou, Guenter Ahlers
- Physical review. E, Statistical, nonlinear, and…
- 2006

We present patterns of electroconvection (EC) for the homeotropically aligned nematic liquid crystal MBBA. A voltage V = square root of 2V0 sin(2pift) was applied. With increasing V0, the bend… (More)

- Sheng-Qi Zhou, Ke-Qing Xia
- Physical review letters
- 2002

Statistical properties of the temperature field in turbulent convection are studied experimentally. We show that the skewness of the plus and minus temperature increments can be used to… (More)

- Ke-Qing Xia, Sheng-Qi Zhou
- 2000

We report an experimental investigation on the relationship between the thickness of the viscous boundary layer and the highest excitation (or cuto ) frequency of the temperature power spectrum in… (More)

- Sheng-Qi Zhou, Nándor Éber, Ágnes Buka, Werner Pesch, Guenter Ahlers
- Physical review. E, Statistical, nonlinear, and…
- 2006

We present experimental measurements near the onset of electroconvection (EC) of homeotropically aligned nematic liquid crystals Phase 5A and MBBA. A voltage of amplitude square root 2V0 and… (More)

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