On certain approaches to the control methods development for the precipitation formation processes in convective clouds

Vitaly A. Shapovalov, Ludmila M. Fedchenko, Boris P. Koloskov, Aleksey A. Bychkov, Boris A. Ashabokov, Alexander V. Shapovalov

DOI: http://dx.doi.org/10.12775/EQ.2019.020

Abstract


The article aims at searching for the optimal way of emission of ice nucleating agent in convective cloud in order to prevent ‎formation of harmful hail by analyzing simulations of this process within a numerical model ‎of cloud‎. The state of the physics of clouds and active influences on them is discussed. It is noted that at the present time studies of the regularities of the formation and development of clouds as a whole begin taking into account their systemic properties. The main directions of research at the next stage of its development are discussed. The features of the existing methods of active action on convective clouds are noted, the main tasks encountered in the development of methods for controlling sedimentation in convective clouds by introducing reagents are formulated. It is noted that research on the development of methods for active influence on clouds should be conducted on the basis of new and more effective approaches, which should be based on the extensive use of mathematical modeling. Some approaches to solving this problem are discussed. According to the authors, the most promising of them are approaches based on the theory of optimal control and bifurcation theory. Some results of numerical modeling of the active effect on convective clouds are given.

Keywords


physics of clouds; convective clouds; hail formation; multidimensional ‎models of clouds; ‎artificial modification of convective clouds; optimal control; bifurcation theory

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References


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