Numerical Simulation of Thermodynamic, Microstructural, and Electric Characteristics of Convective Clouds at the Growth and Mature Stages

Ashabokov, B. A.; Shapovalov, A. V.; Kuliev, D. D.; Prodan, K. A.; Shapovalov, V. A.

doi:10.1007/s11141-014-9483-z

Cited by 12 publications

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“…In this paper we use for this purpose a three-dimensional numerical model of mixed convective clouds with a detailed account of the processes [ processes of cloud formation. In particular, on the basis of this model, the formation of the thermodynamic, microstructural and electrical characteristics of convective clouds was studied [14] [15] [16], and the formation of their microstructural characteristics was studied in [17] [18]. Of the works devoted to the study of the role of the interaction of processes in the clouds on the formation of their microstructural characteristics, it can be noted [19].…”

Section: Introductionmentioning

confidence: 99%

Mathematical Modeling of the Influence of the Wind Field Structure in the Atmosphere on the Cloud Formation Processes

Ashabokov¹,

Fedchenko²,

Shapovalov³

et al. 2018

ACS

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The state of the physics of convective clouds and cloud seeding is discussed briefly. It is noted that at the present time there is a transition from the stage of investigation of "elementary" processes in the clouds to the stage of studying the formation of macro-and microstructural characteristics of clouds as a whole, taking into account their system properties. The main directions of the development of cloud physics at the upcoming stage of its development are discussed. The paper points out that one of these areas is the determination of the structure-forming factors for the clouds and the study of their influence on their formation and evolution. It is noted that one of such factors is the interaction of clouds with their surrounding atmosphere, and the main method of studying its role in the processes of cloud formation is mathematical modeling. A three-dimensional nonstationary model of convective clouds is presented with a detailed account of the processes of thermohydrodynamics and microphysics, which is used for research. The results of modeling the influence of the wind field structure in the atmosphere on the formation and evolution of clouds are presented. It is shown that the dynamic characteristics of the atmosphere have a significant effect on the formation of macro-and microstructural characteristics of convective clouds: the more complex the structure of the wind field in the atmosphere (i.e., the more intense the interaction of the atmosphere and the cloud), the less powerful the clouds are formed.

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Section: Introductionmentioning

confidence: 99%

Mathematical Modeling of the Influence of the Wind Field Structure in the Atmosphere on the Cloud Formation Processes

Ashabokov¹,

Fedchenko²,

Shapovalov³

et al. 2018

ACS

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“…This is due to the fact that a convective cloud is a highly complex thermodynamic and microphysics system, important features of which are the nonstationarity, three-dimensionality and nonlinearity [3][4][5][6][7]. Therefore, the solution of problems of physics of convective clouds requires a holistic approach and the use of more effective methods, the most important among which is numerical modeling [1][2][3][4][5][6][7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Numerical Study of the Dynamic, Thermodynamic and Microstructural Parameters of Convective Clouds

Shapovalov¹,

Shapovalov²,

Koloskov³

et al. 2018

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On the basis of a three-dimensional non stationary model of a convective cloud with detailed description of dynamic, thermodynamic and microphysical processes, numerical experiments were conducted to study the formation of parameters of convective clouds under unstable stratification of the atmosphere. Numerical experiments have been carried out to study the formation of convective processes in the atmosphere. The thermo hydrodynamic parameters in the zone of a thunderstorm cloud are determined, and regions with a vortex motion of air are identified. The main flows feeding the convective cloud in the mature stage are determined. Due to the means of visualization, the areas of formation and growth of precipitation particles are identified. In a three-dimensional form, the interaction of dynamic and thermodynamic processes is analyzed. The interaction of fields is manifested in the form of deformation of fields of thermodynamic parameters under the influence of dynamic processes. Trajectories of air streams around a cloud and the trajectories of drops in a cloud are determined. The results of numerical experiments confirm that dynamic processes significantly influence the formation of fields of thermodynamic parameters in the cloud, which also determine the course of microphysical processes and the nature of the growth of precipitation particles.

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“…Among them there are such factors, the role of which in the formation and development of clouds can not be considered studied at a sufficient level. Considering cloud as a complex physical system the interaction of processes in clouds and the interaction of clouds with the atmosphere is studied [7].…”

Section: Introductionmentioning

confidence: 99%

Development of Methods of Active Influence on the Processes of Precipitation Formation in Clouds in Order to Solve Environmental and Economic Problems

Ashabokov

Shapovalov

Tashilova

2018

MSF

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The paper discusses some approaches to the development of methods of active influence on clouds, which develop in the High-Mountain geophysical institute. We considered the problems of determination in the cloud the region in which to make the particles of the reactants, concentration of these particles, the beginning and completion of seeding. Such questions should be solved on the basis of numerical modeling of clouds. The most common approach to the development of methods of active influence on clouds is a simulation of different variants of any particles of reagent in the cloud and choose the most effective one from the point of view of achieving the objectives of impact compared to a natural development of the cloud. Another approach to the development of the method of sedimentation control in the clouds is to consider this problem in the framework of optimal control theory. Despite the difficulties in implementing this approach, it is very effective and produces optimal results.

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Numerical Simulation of Thermodynamic, Microstructural, and Electric Characteristics of Convective Clouds at the Growth and Mature Stages

Cited by 12 publications

References 0 publications

Mathematical Modeling of the Influence of the Wind Field Structure in the Atmosphere on the Cloud Formation Processes

Mathematical Modeling of the Influence of the Wind Field Structure in the Atmosphere on the Cloud Formation Processes

Numerical Study of the Dynamic, Thermodynamic and Microstructural Parameters of Convective Clouds

Development of Methods of Active Influence on the Processes of Precipitation Formation in Clouds in Order to Solve Environmental and Economic Problems

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