Penetrative convection of water in cavities cooled from below

Corcione, Massimo; Quintino, Alessandro

doi:10.1016/j.compfluid.2015.09.003

Computers & Fluids

2015

DOI: 10.1016/j.compfluid.2015.09.003

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Penetrative convection of water in cavities cooled from below

Massimo Corcione

Alessandro Quintino

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Cited by 7 publications

(1 citation statement)

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“…While the temperature exceeds Tc convection develops and it is important for the flow dynamics in the water beneath the ice (6). This water density anomaly results in a complex coupling between the ice layer, the gravitationally stably stratified layer of fluid (0 < T ≤ Tc), and the unstably stratified layer (T > Tc, with convective instability) (7)(8)(9)(10)(11)(12)(13)(14)(15). The stably stratified layer always exists in the ice-water system, but its strength may be enhanced or depleted under different levels of turbulence.…”

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confidence: 99%

How the growth of ice depends on the fluid dynamics underneath

Wang

Calzavarini

Sun

et al. 2021

Proc. Natl. Acad. Sci. U.S.A.

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Convective flows coupled with solidification or melting in water bodies play a major role in shaping geophysical landscapes. Particularly in relation to the global climate warming scenario, it is essential to be able to accurately quantify how water-body environments dynamically interplay with ice formation or melting process. Previous studies have revealed the complex nature of the icing process, but have often ignored one of the most remarkable particularities of water, its density anomaly, and the induced stratification layers interacting and coupling in a complex way in the presence of turbulence. By combining experiments, numerical simulations, and theoretical modeling, we investigate solidification of freshwater, properly considering phase transition, water density anomaly, and real physical properties of ice and water phases, which we show to be essential for correctly predicting the different qualitative and quantitative behaviors. We identify, with increasing thermal driving, four distinct flow-dynamics regimes, where different levels of coupling among ice front and stably and unstably stratified water layers occur. Despite the complex interaction between the ice front and fluid motions, remarkably, the average ice thickness and growth rate can be well captured with the theoretical model. It is revealed that the thermal driving has major effects on the temporal evolution of the global icing process, which can vary from a few days to a few hours in the current parameter regime. Our model can be applied to general situations where the icing dynamics occur under different thermal and geometrical conditions.

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confidence: 99%

How the growth of ice depends on the fluid dynamics underneath

Wang

Calzavarini

Sun

et al. 2021

Proc. Natl. Acad. Sci. U.S.A.

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Experimental and numerical study of turbulent penetrative Rayleigh-Bénard flow of water near 4 °C in a box-shaped container

Huang,

Gao,

2025

Case Studies in Thermal Engineering

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Turbulent Rayleigh-Bénard convection of cold water near its maximum density in a vertical cylindrical container

Huang

Zhang

et al. 2018

International Journal of Heat and Mass Transfer

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Penetrative convection of water in cavities cooled from below

Cited by 7 publications

References 29 publications

How the growth of ice depends on the fluid dynamics underneath

How the growth of ice depends on the fluid dynamics underneath

Experimental and numerical study of turbulent penetrative Rayleigh-Bénard flow of water near 4 °C in a box-shaped container

Turbulent Rayleigh-Bénard convection of cold water near its maximum density in a vertical cylindrical container

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