作者
Richard JAM Stevens, Jin-Qiang Zhong, Herman JH Clercx, Guenter Ahlers, Detlef Lohse
发表日期
2009/7/10
期刊
Physical review letters
卷号
103
期号
2
页码范围
024503
出版商
American Physical Society
简介
Weakly rotating turbulent Rayleigh-Bénard convection was studied experimentally and numerically. With increasing rotation and large enough Rayleigh number a supercritical bifurcation from a turbulent state with nearly rotation-independent heat transport to another with enhanced heat transfer is observed at a critical inverse Rossby number . The strength of the large-scale convection roll is either enhanced or essentially unmodified depending on parameters for , but the strength increasingly diminishes beyond where it competes with Ekman vortices that cause vertical fluid transport and thus heat-transfer enhancement.
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RJAM Stevens, JQ Zhong, HJH Clercx, G Ahlers… - Physical review letters, 2009