Search for the "ultimate state" in turbulent Rayleigh-Benard convection

被引:0
|
作者
Funfschilling, D. [1 ]
Bodenschatz, E. [1 ]
Ahlers, G. [1 ]
机构
[1] Nancy Univ, LSGC CNRS, F-54001 Nancy, France
关键词
CRYOGENIC HELIUM; DYNAMICS;
D O I
暂无
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
Heat-transport measurements were made in a cylindrical turbulent Rayleigh-Benard convection experiment in a new High-Pressure Convection Facility (HPCF) at the Max Planck Institute for Dynamics and Self-Organization in Gottingen. The cell was L = 2.24 m tall and had a diameter D = 1.12 m. It was filled with N-2 or SF6 gas and operated under pressures of up to 15 bars. These measurements covered Rayleigh numbers up to 3 x 10(14). They did not reveal a transition to an "ultimate regime" and thus are consistent with measurements by Niemela et al. but differ from those of Chavanne et al..
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页码:519 / 522
页数:4
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