TROCONVEX SIGNED
Turbulent Rotating Convection to the Extreme
Total Cost €
0EC-Contrib. €
0Partnership
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Explore the words cloud of the TROCONVEX project. It provides you a very rough idea of what is the project "TROCONVEX" about.
Project "TROCONVEX" data sheet
The following table provides information about the project.
| Coordinator |
TECHNISCHE UNIVERSITEIT EINDHOVEN
Organization address contact info |
| Coordinator Country | Netherlands [NL] |
| Total cost | 1˙804˙543 € |
| EC max contribution | 1˙804˙543 € (100%) |
| Programme |
1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC)) |
| Code Call | ERC-2015-STG |
| Funding Scheme | ERC-STG |
| Starting year | 2016 |
| Duration (year-month-day) | from 2016-04-01 to 2021-03-31 |
Partnership
Take a look of project's partnership.
| # | ||||
|---|---|---|---|---|
| 1 | TECHNISCHE UNIVERSITEIT EINDHOVEN | NL (EINDHOVEN) | coordinator | 1˙804˙543.00 |
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Project objective
The aim of this project is to understand the processes involved in heat and energy transfer of geostrophic turbulent convection, to identify the structure of this seemingly featureless flow, and to model its global convective heat transfer based on these new insights. The geostrophic regime of turbulent rotating convection is relevant for many geophysical and astrophysical flows. The flow behaviour in this regime displays significant and unexpected differences with the traditionally studied regime, making extrapolations impossible. Heat-transfer models of geophysical and astrophysical flows are an essential part of assessing their energy balance for e.g. climate modelling. Geostrophic turbulent convection is characterised by combined strong thermal forcing and rapid rotation, making it hard to replicate in experiments and computations.We propose a revolutionary experiment capable of covering an unprecedented part of this new regime. Heat-flux measurements and optical diagnostics of the flow using stereoscopic particle image velocimetry are featured. The experiment is complemented with highly optimised parallel computations to gain access to additional flow information in parts of the parameter range. The focus is on the small-scale energy transfer processes and the influence of presence or absence of (Ekman-type) boundary layers, both of which are decisive for the flow organisation into structures and subsequently for the global heat transfer. We will characterise the heat transfer and energy cascade processes in the flow as a function of the governing parameters quantifying buoyant forcing and rotation. We will address open questions on the heat-flux scaling of geostrophic convection and its dependence on the types of coherent structures being formed, effects of boundary-layer dynamics and energy cascade mechanisms in the flow. These insights will allow us to model the heat flux, a crucial result for the understanding of convection in geo- and astrophysics.
Publications
| year | authors and title | journal | last update |
|---|---|---|---|
| 2019 |
Kim M. J. Alards, Rudie P. J. Kunnen, Richard J. A. M. Stevens, Detlef Lohse, Federico Toschi, Herman J. H. Clercx Sharp transitions in rotating turbulent convection: Lagrangian acceleration statistics reveal a second critical Rossby number published pages: , ISSN: 2469-990X, DOI: 10.1103/physrevfluids.4.074601 |
Physical Review Fluids 4/7 | 2019-09-04 |
| 2018 |
Jonathan S. Cheng, Jonathan M. Aurnou, Keith Julien, Rudie P. J. Kunnen A heuristic framework for next-generation models of geostrophic convective turbulence published pages: 277-300, ISSN: 0309-1929, DOI: 10.1080/03091929.2018.1506024 |
Geophysical & Astrophysical Fluid Dynamics 112/4 | 2019-07-08 |
| 2017 |
Kim M. J. Alards, Hadi Rajaei, Lorenzo Del Castello, Rudie P. J. Kunnen, Federico Toschi, Herman J. H. Clercx Geometry of tracer trajectories in rotating turbulent flows published pages: , ISSN: 2469-990X, DOI: 10.1103/PhysRevFluids.2.044601 |
Physical Review Fluids 2/4 | 2019-04-30 |
| 2018 |
Kim M. J. Alards, Hadi Rajaei, Rudie P. J. Kunnen, Federico Toschi, Herman J. H. Clercx Directional change of tracer trajectories in rotating Rayleigh-Bénard convection published pages: , ISSN: 2470-0045, DOI: 10.1103/PhysRevE.97.063105 |
Physical Review E 97/6 | 2019-04-30 |
| 2016 |
Hadi Rajaei, Pranav Joshi, Rudie P. J. Kunnen, Herman J. H. Clercx Flow anisotropy in rotating buoyancy-driven turbulence published pages: , ISSN: 2469-990X, DOI: 10.1103/PhysRevFluids.1.044403 |
Physical Review Fluids 1/4 | 2019-04-30 |
| 2018 |
Hadi Rajaei, Kim M. J. Alards, Rudie P. J. Kunnen, Herman J. H. Clercx Velocity and acceleration statistics in rapidly rotating Rayleigh–Bénard convection published pages: 374-397, ISSN: 0022-1120, DOI: 10.1017/jfm.2018.751 |
Journal of Fluid Mechanics 857 | 2019-04-30 |
| 2017 |
Hadi Rajaei, Rudie P. J. Kunnen, Herman J. H. Clercx Exploring the geostrophic regime of rapidly rotating convection with experiments published pages: 45105, ISSN: 1070-6631, DOI: 10.1063/1.4980072 |
Physics of Fluids 29/4 | 2019-04-30 |
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