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    Dynamo models created on the planets under the influence of tidal forces of the satellite and the sun
/ V. A. Kochnev // International Multidisciplinary Scientific GeoConference Surveying Geology and Mining Ecology Management, SGEM : International Multidisciplinary Scientific Geoconference, 2017. - Vol. 17: 17th International Multidisciplinary Scientific Geoconference, SGEM 2017 (29 June 2017 through 5 July 2017, ) Conference code: 130800, Is. 62. - P899-906, DOI 10.5593/sgem2017/62/S28.115 . -
Аннотация: It is known that the movement of the liquid core creates electric currents, inducing a main magnetic field of the planet. The liquid core of the high temperature becomes ionized plasma (plasma), which It is quasi-neutral (not neutral) - by definition. One of the major geodynamo questions: what is the source of strength, causing fluid movement in the core of the planet? Many authors have investigated geodynamo: planetary rotation around its axis, the temperature difference and pressure as well as the Coriolis force. Moffatt (1980), at the end of his book, as expressed the problem mentioned above “… For example, it is not yet known that the ultimate source energy is the basic movements of the Earth’s disk Dynamo”. In this study, the role of the driving forces of the liquid core considered tidal forces created axial rotation of the planet and the influence of external objects (the Sun and planets, satellites). The value of the tidal force on the equator of the planet depends on the radius and the period of the axial rotation of the planet, mass, radius and the orbital period of the satellite around the planet. The paper presents the formula and the results of the calculation of tidal forces and forecast the relative values equatorial magnetic fields of the planets all the planets of the solar system. The interpretation of the results illustrated with drawings. The new version of the dynamo It helps to explain the reasons high intensity magnetic Jupiter's field compared to Saturn’s fields, Uranus and Neptune, and much more Earth field intensity compared with fields of Venus, Mercury and Mars. The calculations of the correlation values the magnetic field at the equator: on the model according to the forecast and observations on the planets. Correlation coefficient is 0.997, that indicates a close relationship observed and estimates fields, and this is indirect evidence of the correctness of the adopted model. © SGEM2017 All Rights Reserved.

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Держатели документа:
Institute of Computational Modelling of the Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Kochnev, V. A.

    Kinematic-gravitational ion model of planetary dynamo.
[Text] : доклад, тезисы доклада / V. A. Kochnev // Journal of Physics: Conference Series : Methods, Tools, and Outcomes. Honor of academician Anatoly Alekseev's 90th Birthday / Workshop on Numerical Modeling in MHD and Plasma Physics: Methods, Tools, and Outcomes. Honor of academician Anatoly Alekseev's 90th Birthday (2018 ; 11.10 - 12.10 ; Novosibirsk) : Institute of Physics Publishing, 2018. - 1103DOI 10.1088/1742-6596/1103/1/012009 . -

Аннотация: Based on the solution of inverse problem for the main magnetic field of Earth, it is shown that the global sources of magnetic field are situated in the equatorial region of the Earth's core. The estimates of magnetic moments, volumetric currents and their densities are obtained. The direction of the current flow is determined, which can be explained by the motion of the positively charged core matter under the influence of tidal forces, directed against the basic axial rotation of the Earth. The core is positively charged due to migration of electrons across the core-mantle boundary. For the planets of the Solar system estimates of the tidal forces produced by the Sun and the satellites of the planets are obtained. A close linear relationship is established between the magnitude of tidal forces and the observed magnetic field of the planets. As a result, we arrive to a simple geodynamo mechanism in which the electric current is the motion of weakly positively charged liquid core associated with the action of tidal forces.

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Держатели документа:
Institute of Computational Modelling|Siberian Branch of the Russian Academy of Sciences

Доп.точки доступа:
Kochnev, V.A.; Workshop on Numerical Modeling in MHD and Plasma Physics: Methods, Tools, and Outcomes. Honor of academician Anatoly Alekseev's 90th Birthday(2018 ; 11.10 - 12.10 ; Novosibirsk)
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    Distribution of Sources of Magnetic Field in the Earth's Core Obtained by Solving Inverse Magnetometry Problem
/ V. Kochnev ; ed.: D. . Nurgaliev, N. . Khairullina // PRACTICAL AND THEORETICAL ASPECTS OF GEOLOGICAL INTERPRETATION OF : SPRINGER INTERNATIONAL PUBLISHING AG, 2019. - 45th Uspensky International Geophysical Seminar (MAR 12-16, 2018, Kazan, RUSSIA). - P285-291. - (Springer Proceedings in Earth and Environmental Sciences), DOI 10.1007/978-3-319-97670-9_33. - Cited References:13 . -

Кл.слова (ненормированные):
Magnetic field of earth -- Effective magnetization -- Inverse magnetometry -- problem volumetric currents -- Geodynamo

Аннотация: The purpose of this work is to create a model of sources of Earth's magnetic field. Main magnetic field in IGRF-2005 model is used as initial condition for solving inverse magnetometry problem using adaptive method of solving systems of equations. Distributions of effective magnetization, magnetic moments and volumetric currents in the Earth's core, consistent with observed magnetic field, are obtained.

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Держатели документа:
RAS, Inst Computat Modeling SB, Krasnoyarsk, Russia.

Доп.точки доступа:
Kochnev, V.; Nurgaliev, D... \ed.\; Khairullina, N... \ed.\