2024 That's a compelling sign that the surface is young, and refreshed by the convection of warmer ice from below. Joel Achenbach, arkansasonline.com, 20 Oct. 2024 This condensation produces more heat, leading to even more powerful convection, and the end result is known as a pyrocumulus ...
Convection is a multi-stage process that often results in the cyclic motion of a fluid in response to heating. Imagine the water in a pan that is over the heat: As the bottom of the pan heats up, this heat is transferred (by conduction) to the water at the bottom of the pan. The ...
Normally, natural convection is free motion. Heat convection is affected by different factors, such as the shape of the container, the relative orientation between the heat flow and the container, and the melt and boundary properties. A dimensionless factor NRa called the Rayleigh number, is used...
The result is tested using the resolved dynamo solution on a finer grid. We find that the commutation error correction is comparable in magnitude to the SGS heat flux near the boundary. Addition of the correction term significantly improves the modeled SGS heat flux near the boundaries.doi:...
According to Dróżdż [55] the positive u component of the sweep event is enhanced by ΔuC which is the result of a higher convection velocity of vortex. The opposite situation occurs for the negative u component of ejection event. The phase-averaged waveforms for the displacing probe ...
Turbulent Rayleigh-Bénard convection (RBC) is one of the very prominent examples of chaos in fluid dynamics with significant relevance in nature. Meanwhile, Echo State Networks (ESN) are among the most fundamental machine learning algorithms suited for
The underlying mechanism that couples the Quasi-Biennial Oscillation (QBO) and the Madden-Julian oscillation (MJO) has remained elusive, challenging our understanding of both phenomena. A popular hypothesis about the QBO-MJO connection is that the vertical extent of MJO convection is strongly modulated...
The forecast evolution of the storm is the result of the interaction between convective signatures and surrounding storm environment. Eight different 'object-environment' interactions are analyzed in eight modules, providing ensemble nowcasts of thunderstorm attributes (satellite- and radar-based) for the...
Indeed, the observed diversity of ENSO is the result of differences in wave/mean-state interaction, the role of the equatorial and extra-equatorial Pacific Ocean and other tropical ocean basins in modulating large scale atmospheric convection, and the response of the ocean to aspects of Westerly ...
16.1 What is the force behind forced convection? Forced convection is the convection of thermal energy by a flow that is not driven by the buoyancy force associated with the temperature gradient or the density variation of the fluid of concern. In plain English, we can define forced convection...