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Journal Nonlinear World №9 for 2014 г.
Article in number:
Methodological aspects of electrical activity evaluation of remote meteorological objects in the atmosphere
Authors:
V.V. Mikhailov - Dr. Sc. (Eng.), Professor, Head, Russian Air Force Military Educational and Scientific Center «Zhukovsky-Gagarin Air Force Academy» (Voronezh). E-mail: mvv987@pochta.ru
M.B. Biletov - Ph. D. (Eng.), Associate Professor, Senior Lecturer, Russian Air Force Military Educational and Scientific Center «Zhukovsky-Gagarin Air Force Academy» (Voronezh). E-mail: vaiumet@mail.ru
I.E. Kuznetsov - Ph. D. (Geogr.), Head, Russian Air Force Military Educational and Scientific Center «Zhukovsky-Gagarin Air Force Academy» (Voronezh). E-mail: vaiumet@mail.ru
Abstract:
Development of new types of aircraft based dielectric composite materials with reduced radioacoustic, the development of electronic systems management requires information about the electrical activity of meteorological facilities. Electrical state of the atmosphere plays an important role not only in the operation of weapons and military equipment, but in the formation of local message atmospheric disturbances generate precipitation, development and evolution of severe weather like hail, storm, tornado. The presence of charges on the hydrometeors leads to spatial and temporal fluctuations microphysical characteristics of clouds and precipitation, cloud base height, change in the conditions of freezing cloud droplets, and has a significant impact on the icing and the electrification of aircraft, their work avionics. Moreover, high values of the electric field creates, stress on the hardware. Marked by wide enough, but not the full range of influence of the electric state of the atmosphere on the running processes requires the development of methods to evaluate the electrical characteristics of the atmosphere. The root cause of the variations of the electric field of the atmosphere is the presence of electric charges carried by aerosols - airborne particles of different origin. Currently, data on atmospheric aerosol charges obtained contact methods using technical equipment installed on board aircraft, ground traps, the introduction of the medium under study probes instrumentation. The disadvantage of the contact methods is low spatial-temporal discontinuity, the inability to obtain information in large volumes of space, information distortion due to the influence of aircraft on the characteristics of the electric field of the atmosphere, the difficulty of obtaining information on the fields of electrical characteristics and their changes due to the low spatial discreteness of contact methods. Deficiencies noted do not provide reliable information about the electrical parameters of the atmosphere. Thus, the aim is to enhance the effectiveness of the measurement parameters characterizing the electrical state of the atmosphere through the development of methodological aspects of the assessment of electrical activity using meteorological objects r radioacoustic and radar. To assess the electrical state of the atmosphere are encouraged to use information on charges of atmospheric aerosol particles determined using radar and radioacoustic methods. Radioacoustic method provides information on the charges of small aerosol particles, radar-on charges of aerosol particles of clouds and precipitation over large distances. Such a comprehensive approach to improve the accuracy and validity estimates of the electrical state meteorological objects in the atmosphere.
Pages: 16-23
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