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Author :
Publisher :
ISBN 13 :
Total Pages : 11 pages
Book Rating : 4.:/5 (18 download)
Download or read book On Problem of Interaction Between Satellite and Earth's Magnetic Field [with List of References] written by and published by . This book was released on 1960 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yu. V. Zonov
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (31 download)
Download or read book On the Problem of the Interaction Between a Satellite and the Earth's Magnetic Field written by Yu. V. Zonov and published by . This book was released on 1960 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John S. White (writer on artificial satellites.)
Publisher :
ISBN 13 :
Total Pages : 42 pages
Book Rating : 4.:/5 (31 download)
Download or read book Satellite Attitude Control Utilizing the Earth's Magnetic Field written by John S. White (writer on artificial satellites.) and published by . This book was released on 1961 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: The torque developed by the interaction of current-carrying coils with the earth's magnetic field can be used as a means of attitude control. The degree to which the attitude of a vehicle can be maintained utilizing this torque depends on the fluctuations of the magnetic field at the satellite as the satellite orbits about the earth. Due to the nature of the torque developed only two vehicle axes can be c ntinuously controlled simultaneously. With the principle described, either a two- or three-coil system can be used to control vehicle attitude about two axes. Intermittent control about three axes can be obtained. (Author).
Author : Wilfred Joseph Minkus
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (227 download)
Download or read book A Method for Controlling the Attitude of a Satellite Using the Earth's Magnetic Field written by Wilfred Joseph Minkus and published by . This book was released on 1964 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report investigates a means of controlling the attitude of a satellite in a circular orbit about the earth by the torque due to the interaction between the earth's magnetic field and the magnetic moments produced by currents in three orthogonal coils aboard the satellite. This system has the advantage over more conventional ones in that no mass is expended in the control process. It is designed to rotate the satellite about its longitudinal axis in a minimum amount of time while limiting the deviation of this axis from the local normal to the earth. The analysis is limited to the period during which the satellite's attitude is being changed by magnetically produced torques. When these torques are not applied, gravity gradient effects act as a restoring force to align the longitudinal axis with the local normal to the earth. The method is applicable to a satellite with symmetry such that the moment of inertia about its longitudinal axis is much smaller than those about body-fixed axes lying in a plane perpendicular to it and whose moments of inertia about axes in this plane are approximately equal. The model of the earth's magnetic field that is used is a dipole with its poles located at the observed geographical positions. The control system is developed to be applicable to the general type of satellite indicated above and to all orbits except those passing close to the magnetic poles. It is then applied to a particular satellite and type of orbit of interest to RADC. (Author).
Author : R. A. Langel
Publisher : Cambridge University Press
ISBN 13 : 9780521473330
Total Pages : 444 pages
Book Rating : 4.4/5 (733 download)
Download or read book The Magnetic Field of the Earth's Lithosphere written by R. A. Langel and published by Cambridge University Press. This book was released on 1998-07-13 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: This 1998 book documents the collection, processing and analysis of satellite magnetic field data.
Author :
Publisher :
ISBN 13 :
Total Pages : 840 pages
Book Rating : 4.:/5 (319 download)
Download or read book NASA Technical Translation written by and published by . This book was released on 1969 with total page 840 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 768 pages
Book Rating : 4.3/5 (91 download)
Download or read book NASA Technical Note written by and published by . This book was released on 1961 with total page 768 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hermann Lühr
Publisher : Springer
ISBN 13 : 3319642928
Total Pages : 428 pages
Book Rating : 4.3/5 (196 download)
Download or read book Magnetic Fields in the Solar System written by Hermann Lühr and published by Springer. This book was released on 2018-01-10 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book addresses and reviews many of the still little understood questions related to the processes underlying planetary magnetic fields and their interaction with the solar wind. With focus on research carried out within the German Priority Program ”PlanetMag”, it also provides an overview of the most recent research in the field. Magnetic fields play an important role in making a planet habitable by protecting the environment from the solar wind. Without the geomagnetic field, for example, life on Earth as we know it would not be possible. And results from recent space missions to Mars and Venus strongly indicate that planetary magnetic fields play a vital role in preventing atmospheric erosion by the solar wind. However, very little is known about the underlying interaction between the solar wind and a planet’s magnetic field. The book takes a synergistic interdisciplinary approach that combines newly developed tools for data acquisition and analysis, computer simulations of planetary interiors and dynamos, models of solar wind interaction, measurement of ancient terrestrial rocks and meteorites, and laboratory investigations.
Author : Michael A. Kasha
Publisher :
ISBN 13 :
Total Pages : 182 pages
Book Rating : 4.:/5 (41 download)
Download or read book The Ionosphere and Its Interaction with Satellites written by Michael A. Kasha and published by . This book was released on 1969 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 324 pages
Book Rating : 4.:/5 (31 download)
Download or read book Motion of Artificial Satellites in the Earth's Gravitational Field written by and published by . This book was released on 1969 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Frank Hohl
Publisher :
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.:/5 (317 download)
Download or read book The Electromagnetic Torques on Spherical Earth Satellites in a Rarefied Partially Ionized Atmosphere written by Frank Hohl and published by . This book was released on 1966 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: A theoretical investigation has been made of the torques acting, as a result of electromagnetic interaction, on spherical conducting earth satellites. The analysis has been applied to the 41-meter-diameter satellite Echo II (1964 4A), which is in a near polar circular orbit. The calculations have yielded quantitative values for the accelerating and the decelerating torques. A probable explanation of the nearly constant spin rate of Echo II for a long period of time is that the eddy-current torque and the induction torque were in balance. Other torques are shown to be negligible in comparison with these two.
Author : Claudia Stolle
Publisher : Springer
ISBN 13 : 9789402412246
Total Pages : 0 pages
Book Rating : 4.4/5 (122 download)
Download or read book Earth's Magnetic Field written by Claudia Stolle and published by Springer. This book was released on 2017-12-14 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume provides a comprehensive view on the different sources of the geomagnetic field both in the Earth’s interior and from the field’s interaction with the terrestrial atmosphere and the solar wind. It combines expertise from various relevant areas of geomagnetic and near Earth space research with the aim to better characterise the state and dynamics of Earth’s magnetic field. Advances in the exploitation of geomagnetic observations hold a huge potential not only for an improved quantitative description of the field source but also for a better understanding of the underlying processes and physics. Key is the separation of the field sources in the observations, especially, but not solely, during times of quiet geomagnetic conditions, when the most subtle geomagnetic effects can be identified and become significant. The collected articles are based on the current constellation of ground and space observations, and on state-of-the-art empirical models and physics-based simulations. Thus, it provides an in-depth overview over recent achievements, current limitations and challenges, and future opportunities in the field of geomagnetism and space sciences. Originally published in Space Science Reviews, Volume 206, Issue 1-4, March 2017
Author : A. H. Davis
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (31 download)
Download or read book Interaction of a Charged Satellite with the Ionosphere by A. H. Davis and I. Harris written by A. H. Davis and published by . This book was released on 1961 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (141 download)
Download or read book The Motion of a Charged Satellite in the Earth's Magnetic Field written by and published by . This book was released on 1968 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James L. Burch
Publisher : Springer Science & Business Media
ISBN 13 : 0387898204
Total Pages : 575 pages
Book Rating : 4.3/5 (878 download)
Download or read book The THEMIS Mission written by James L. Burch and published by Springer Science & Business Media. This book was released on 2009-03-03 with total page 575 pages. Available in PDF, EPUB and Kindle. Book excerpt: J.L. Burch·V. Angelopoulos Originally published in the journal Space Science Reviews, Volume 141, Nos 1–4, 1–3. DOI: 10.1007/s11214-008-9474-5 © Springer Science+Business Media B.V. 2008 The Earth, like all the other planets, is continuously bombarded by the solar wind, which is variable on many time scales owing to its connection to the activity of the Sun. But the Earth is unique among planets because its atmosphere, magnetic eld, and rotation rates are each signi cant, though not dominant, players in the formation of its magnetosphere and its reaction to solar-wind inputs. An intriguing fact is that no matter what the time scale of solar-wind variations, the Earth’s response has a de nite pattern lasting a few hours. Known as a magnetospheric substorm, the response involves a build-up, a crash, and a recovery. The build-up (known as the growth phase) occurs because of an interlinking of the geom- netic eld and the solar-wind magnetic eld known as magnetic reconnection, which leads to storage of increasing amounts of magnetic energy and stress in the tail of the mag- tosphere and lasts about a half hour. The crash (known as the expansion phase) occurs when the increased magnetic energy and stresses are impulsively relieved, the current system that supports the stretched out magnetic tail is diverted into the ionosphere, and bright, dynamic displays of the aurora appear in the upper atmosphere. The expansion and subsequent rec- ery phases result from a second magnetic reconnection event that decouples the solar-wind and geomagnetic elds.
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309313953
Total Pages : 37 pages
Book Rating : 4.3/5 (93 download)
Download or read book Solar and Space Physics written by National Research Council and published by National Academies Press. This book was released on 2014-09-25 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 2010, NASA and the National Science Foundation asked the National Research Council to assemble a committee of experts to develop an integrated national strategy that would guide agency investments in solar and space physics for the years 2013-2022. That strategy, the result of nearly 2 years of effort by the survey committee, which worked with more than 100 scientists and engineers on eight supporting study panels, is presented in the 2013 publication, Solar and Space Physics: A Science for a Technological Society. This booklet, designed to be accessible to a broader audience of policymakers and the interested public, summarizes the content of that report.
Author : Thomas Penz
Publisher : Sudwestdeutscher Verlag Fur Hochschulschriften AG
ISBN 13 : 9783838104102
Total Pages : 148 pages
Book Rating : 4.1/5 (41 download)
Download or read book Reconstruction of Magnetic Reconnection Events written by Thomas Penz and published by Sudwestdeutscher Verlag Fur Hochschulschriften AG. This book was released on 2009 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: Magnetic reconnection is a basic process taking place in plasmas on Earth and in space. After a general introduction, this work focusses on magnetic reconnection in the Earth' magnetosphere. Because of the interaction between the solar wind and the terrestrial magnetic field, magnetic field line merging is initiated under certain conditions, leading to various phenomena like the polar aurora or the injection of high-energetic particles influencing near-Earth satellites. The author presents a method to achieve detailed information about the reconnection process from remote satellite measurements. Therefore, an ill- posed inverse problem is solved using regularization theory. Using multi-spacecraft measurements, e.g. from the Cluster satellites, it is possible to gain information about the spatial location of the reconnection event, so this method presents a complementary approach to ground-based and in-situ satellite measurements. The work combines a thorough analysis of theoretical space plasma problems with experimental data from satellite missions and numerical simulations to provide new insights in this exciting field of space physics.
