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The organization of turbulent convection
2008Highly resolved numerical simulations are used to study three-dimensional, compressible convection. The viscous dissipation is sufficiently low that the flow divides itself in depth into two distinct regions: (i) an upper thermal boundary layer containing a smooth flow with a granular appearance, and (ii) a turbulent interior pierced by the strongest ...
Nicholas Brummell +4 more
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Self-Organized Criticality and Homeostasis in Atmospheric Convective Organization
Journal of the Atmospheric Sciences, 2012AbstractAtmospheric convection has a tendency to organize on a hierarchy of scales ranging from the mesoscale to the planetary scales, with the latter especially manifested by the Madden–Julian oscillation. The present paper examines two major competing mechanisms of self-organization in a cloud-resolving model (CRM) simulation from a phenomenological ...
Jun-Ichi Yano +2 more
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Monthly Weather Review, 2023
Abstract The realism of convective organization in operational convection-permitting model simulations is objectively assessed, with a particular focus on the mesoscale aspects, such as convective mode. A tracking and classification algorithm is applied to observed radar reflectivity and simulated radar reflectivity from the ...
Ewan Short, Todd P. Lane
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Abstract The realism of convective organization in operational convection-permitting model simulations is objectively assessed, with a particular focus on the mesoscale aspects, such as convective mode. A tracking and classification algorithm is applied to observed radar reflectivity and simulated radar reflectivity from the ...
Ewan Short, Todd P. Lane
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A Conceptual Model for Tropical Convective Organization
2021Tropical convective organization and associated clusters of precipitation affect the global circulation and Earth’s energy budget, but many aspects such as the power-law distribution of precipitation clusters and the relation to convective self-aggregation remain poorly understood.
Ziwei Li, Paul O'Gorman
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Organization of tropical convection
2017Atmospheric moist convection is an important source of uncertainty in current climate models. Compared to the resolved spatial scales, convective updrafts are small scale processes which, however, have an important influence on the atmospheric state. To determine their effect on the resolved scales, clouds are usually approximated as non-interacting ...
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Infrared-Convective Drying of Organic Pigments
Drying Technology, 2008The drying of organic pigments is a challenging assignment due to the complex relationship between heat and mass transfer and the quality attributes such as color, shade, and strength. There is an urgent need to address the drying technology-related issues of this industrially important class of specialty chemicals. The widely used tray dryers and band
Pawar, S.B. +3 more
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Characteristics of Convective Organizations in Radar Measurements
2018 19th International Radar Symposium (IRS), 2018Previous studies suggested that organization of clouds in clusters can modify the mean state of the atmosphere. The increase in outgoing longwave radiation can result in a negative feedback on the surface temperature. This raised the question whether convective organizations can also impact the climate and how climate predictions are affected by the ...
Ieda Pscheidt, Silke Tromel
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Self-organization in convective magma mixing
Earth-Science Reviews, 1990Abstract Convective magma mixing is driven by thermal and compositional effects on melt density. We investigated the role of compositional buoyancy in convective magma mixing by means of two-dimensional numerical simulation. Two kinds of self-organization phenomena were observed in our simulations: (1) temporally-local unmixing events associated with
C OLDENBURG, F SPERA, D YUEN
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Momentum Transport by Organized Convection
1997Basic aspects of the transport of momentum by organized convection are presented. Included are the relationship between the momentum flux and mean state, a formal distinction between eddy mixing and organized transport and key quantities arising from energy considerations.
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The Dynamics and Simulation of Organized Deep Convection
1983The dynamical implications of certain observational models of deep convection are discused. Various approximations to equations representing the macroscale dynamics of deep, organised convection are presented and compared, and distinctive finite difference techniques are discussed. Dynamical models of important basic types of deep convection in two and
M. J. Miller, M. W. Moncrieff
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