### Abstract

A combined numerical–experimental investigation on the scaling of velocity structure functions in turbulent rotating Rayleigh–B´enard convection is carried out. Direct numerical simulations in a cylindrical domain and a horizontally periodic domain are compared with experiments using a cylindrical tank in which stereoscopic particle image velocimetry is employed. The turbulent length scales that govern the scaling of the structure functions are evaluated directly in the numerical simulations. They provide a framework for the interpretation of the structure functions. The composition of the domain (cylinder/periodic) has a quantitative effect on the length scales even in the fluid bulk. At lower rotation rates an additional scaling range due to rotation is found. At higher rotation rates a direct transition is observed from dissipation-range scaling at small separations to an uncorrelated state at larger separations.

Original language | Undefined |
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Title of host publication | Proceedings of the 13th European Turbulence Conference (ETC13) |

Place of Publication | Bristol |

Publisher | Institute of Physics |

Pages | 082006 |

Number of pages | 11 |

DOIs | |

Publication status | Published - 2011 |

Event | 13th European Turbulence Conference, ETC 2011 - Warsaw, Poland Duration: 12 Sep 2011 → 15 Sep 2011 Conference number: 13 |

### Publication series

Name | Journal of Physics: Conference Series |
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Publisher | Institute of Physics |

Number | 08 |

Volume | 318 |

ISSN (Print) | 1742-6588 |

ISSN (Electronic) | 1742-6596 |

### Conference

Conference | 13th European Turbulence Conference, ETC 2011 |
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Abbreviated title | ETC13 |

Country | Poland |

City | Warsaw |

Period | 12/09/11 → 15/09/11 |

### Keywords

- METIS-284975
- EWI-21194
- IR-79476

## Cite this

Kunnen, R. P. J., Clercx, H. J. H., & Geurts, B. J. (2011). Structure functions in rotating Rayleigh–Bénard convection. In

*Proceedings of the 13th European Turbulence Conference (ETC13)*(pp. 082006). (Journal of Physics: Conference Series; Vol. 318, No. 08). Bristol: Institute of Physics. https://doi.org/10.1088/1742-6596/318/8/082006