Formation of Small-Scale Variations of the Electric Field in Convective Flows in the Earth’s Troposphere

We present an example of calculating the nonlinear stage of the formation of small-scale variations of the electric field in a multidisperse plasma-like medium consisting of a fraction of relatively heavy particles and a weakly conducting convective flow around them in a constant background electric...

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Published inRadiophysics and quantum electronics Vol. 67; no. 6; pp. 423 - 430
Main Authors Davydenko, S. S., Filchenkov, S. E., Shirokov, E. A.
Format Journal Article
LanguageEnglish
Published New York Springer US 01.11.2024
Springer Nature B.V
Subjects
Astronomy
Astrophysics and Astroparticles
Charge density
Continuity equation
Convective flow
Earth surface
Electric fields
Hadrons
Heavy Ions
Lasers
Mathematical analysis
Mathematical and Computational Physics
Multilayers
Nuclear Physics
Observations and Techniques
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Poisson equation
Quantum Optics
Theoretical
Troposphere
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Summary:We present an example of calculating the nonlinear stage of the formation of small-scale variations of the electric field in a multidisperse plasma-like medium consisting of a fraction of relatively heavy particles and a weakly conducting convective flow around them in a constant background electric field. A general system of equations describing the indicated medium in a one-dimensional approximation and consisting of the equations of dynamics of heavy particles, continuity equations for the flow of heavy particles and total charge density, as well as the Poisson equation, is given. Calculations of the instability were performed for conditions at altitudes of about 6 km above the Earth’s surface in the region of strong thundercloud convection. The results of calculating the initial stage of instability correspond to the estimates following from the analysis of the dispersion relation. It is shown that due to the development of the instability, multilayer structures of the electric field, density of heavy particles, and charge density with a characteristic vertical scale of the order of 10 m are being formed and are shifted with the flow. The maximum value of the electric field can significantly exceed the initial (background) value.
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ISSN:0033-8443
1573-9120
DOI:10.1007/s11141-025-10384-5