Ultimate Rayleigh-Bénard turbulence

D Lohse, O Shishkina - Reviews of modern physics, 2024 - APS
Thermally driven turbulent flows are omnipresent in nature and technology. A good
understanding of the physical principles governing such flows is key for numerous problems …

Heat transfer and large scale dynamics in turbulent Rayleigh-Bénard convection

G Ahlers, S Grossmann, D Lohse - Reviews of modern physics, 2009 - APS
The progress in our understanding of several aspects of turbulent Rayleigh-Bénard
convection is reviewed. The focus is on the question of how the Nusselt number and the …

[图书][B] Ratio of momentum diffusivity to thermal diffusivity: introduction, meta-analysis, and scrutinization

IL Animasaun, NA Shah, A Wakif, B Mahanthesh… - 2022 - taylorfrancis.com
This book presents a systematic introduction, practical meaning, and measurement of
thermo-physical properties (ie viscosity, density, thermal conductivity, specific heat capacity …

Thermal convection for large Prandtl numbers

S Grossmann, D Lohse - Physical review letters, 2001 - APS
The Rayleigh-Bénard theory by Grossmann and Lohse [J. Fluid Mech. 407, 27 (2000)] is
extended towards very large Prandtl numbers Pr. The Nusselt number Nu is found here to …

Learning to soar in turbulent environments

G Reddy, A Celani, TJ Sejnowski… - Proceedings of the …, 2016 - National Acad Sciences
Birds and gliders exploit warm, rising atmospheric currents (thermals) to reach heights
comparable to low-lying clouds with a reduced expenditure of energy. This strategy of flight …

[HTML][HTML] Turbulent heat flow: structures and scaling

LP Kadanoff - Physics today, 2001 - pubs.aip.org
For very many years, scientists have studied the motion of enclosed fluids heated from
below and cooled from above. 1 The containers for these Rayleigh–Bénard systems 2 have …

Low-Prandtl-number effects on global and local statistics in two-dimensional Rayleigh–Bénard convection

Y Zhang, Q Zhou - Physics of Fluids, 2024 - pubs.aip.org
We present global and local statistical properties of turbulent Rayleigh–Bénard (RB)
convection at low Prandtl numbers in this work. A series of high resolution two-dimensional …

Numerical experiments on strongly turbulent thermal convection in a slender cylindrical cell

R Verzicco, R Camussi - Journal of Fluid Mechanics, 2003 - cambridge.org
Numerical experiments on strongly turbulent thermal convection in a slender cylindrical cell
Page 1 J. Fluid Mech. (2003), vol. 477, pp. 19–49. c 2003 Cambridge University Press DOI …

Fluctuations in turbulent Rayleigh–Bénard convection: the role of plumes

S Grossmann, D Lohse - Physics of fluids, 2004 - pubs.aip.org
Turbulent Rayleigh–Bénard convection is one of the classical problems of fluid dynamics.
For recent reviews we refer to Refs. 1 and 2; for an earlier review to Ref. 3. One of the key …

Prandtl and Rayleigh number dependence of the Reynolds number in turbulent thermal convection

S Grossmann, D Lohse - Physical Review E, 2002 - APS
Abstract The Prandtl and Rayleigh number dependences of the Reynolds number in
turbulent thermal convection following from the unifying theory by Grossmann and Lohse [J …