The Structure and Dynamics of the Solar Corona and Inner Heliosphere-First Quarter First Year Progress Report PDF Download
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Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781721024728
Category :
Languages : en
Pages : 28
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Book Description
This report details progress during the first quarter of the first year of our Sun-Earth Connections Theory Program (SECTP) contract. Science Applications International Corporation (SAIC) and the University of California, Irvine (UCI) have conducted research into theoretical modeling of active regions, the solar corona, and the inner heliosphere, using the MHD model.Mikic, Zoran and Grebowsky, J. (Technical Monitor)Goddard Space Flight CenterHELIOSPHERE; SOLAR CORONA; MAGNETOHYDRODYNAMICS; MATHEMATICAL MODELS; PREDICTIONS; SUN; SOLAR MAGNETIC FIELD; SOLAR ECLIPSES; THREE DIMENSIONAL MODELS; SOLAR WIND; UNSTRUCTURED GRIDS (MATHEMATICS); EARTH-MOON SYSTEM
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781721024728
Category :
Languages : en
Pages : 28
Get Book Here
Book Description
This report details progress during the first quarter of the first year of our Sun-Earth Connections Theory Program (SECTP) contract. Science Applications International Corporation (SAIC) and the University of California, Irvine (UCI) have conducted research into theoretical modeling of active regions, the solar corona, and the inner heliosphere, using the MHD model.Mikic, Zoran and Grebowsky, J. (Technical Monitor)Goddard Space Flight CenterHELIOSPHERE; SOLAR CORONA; MAGNETOHYDRODYNAMICS; MATHEMATICAL MODELS; PREDICTIONS; SUN; SOLAR MAGNETIC FIELD; SOLAR ECLIPSES; THREE DIMENSIONAL MODELS; SOLAR WIND; UNSTRUCTURED GRIDS (MATHEMATICS); EARTH-MOON SYSTEM
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781721531325
Category :
Languages : en
Pages : 34
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Book Description
This report covers technical progress during the third quarter of the second year of NASA Sun-Earth Connections Theory Program (SECTP) contract 'The Structure and Dynamics of the Solar Corona and Inner Heliosphere,' NAS5-99188, between NASA and Science Applications International Corporation, and covers the period February 16, 2001 to May 15, 2001. Under this contract SAIC and the University of California, Irvine (UCI) have conducted research into theoretical modeling of active regions, the solar corona, and the inner heliosphere, using the MHD model.In this report we summarize the accomplishments made by our group during the first seven quarters of our Sun-Earth Connection Theory Program contract. The descriptions are intended to illustrate our principal results. A full account can be found in the referenced publications. Mikic, Zoran and Grebowsky, J. (Technical Monitor) Goddard Space Flight Center SAIC-01/8010:APPAT-277
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781723452710
Category :
Languages : en
Pages : 110
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Book Description
Under this contract SAIC, the University of California, Irvine (UCI), and the Jet Propulsion Laboratory (JPL), have conducted research into theoretical modeling of active regions, the solar corona, and the inner heliosphere, using the MHD model. During the period covered by this report we have published 17 articles in the scientific literature. These publications are listed in Section 4 of this report. In the Appendix we have attached reprints of selected articles. Mikic, Zoran Goddard Space Flight Center MATHEMATICAL MODELS; SOLAR CORONA; MAGNETOHYDRODYNAMICS; JET PROPULSION; HELIOSPHERE; RESEARCH AND DEVELOPMENT...
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781720636168
Category :
Languages : en
Pages : 66
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Book Description
This report covers technical progress during the fourth quarter of the second year of NASA Sun-Earth Connections Theory Program (SECTP) contract 'The Structure and Dynamics of the Solar Corona and Inner Heliosphere,' NAS5-99188, between NASA and Science Applications International Corporation, and covers the period May 16,2001 to August 15, 2001. Under this contract SAIC and the University of California, Irvine (UCI) have conducted research into theoretical modeling of active regions, the solar corona, and the inner heliosphere, using the MHD model.Mikic, Zoran and Grebowsky, Joseph M. (Technical Monitor)Goddard Space Flight CenterHELIOSPHERE; MAGNETOHYDRODYNAMICS; SOLAR PHYSICS; SOLAR CORONA; THREE DIMENSIONAL MODELS; SUN
Author: Zoran Mikic
Publisher: BiblioGov
ISBN: 9781289269142
Category :
Languages : en
Pages : 24
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Book Description
This report covers technical progress during the third quarter of the second year of NASA Sun-Earth Connections Theory Program (SECTP) contract 'The Structure and Dynamics of the Solar Corona and Inner Heliosphere, ' NAS5-99188, between NASA and Science Applications International Corporation, and covers the period February 16, 2001 to May 15, 2001. Under this contract SAIC and the University of California, Irvine (UCI) have conducted research into theoretical modeling of active regions, the solar corona, and the inner heliosphere, using the MHD model.In this report we summarize the accomplishments made by our group during the first seven quarters of our Sun-Earth Connection Theory Program contract. The descriptions are intended to illustrate our principal results. A full account can be found in the referenced publications
Author: Zoran Mikic
Publisher: BiblioGov
ISBN: 9781289276508
Category :
Languages : en
Pages : 54
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Book Description
This report covers technical progress during the first quarter of the second year of NASA Sun-Earth Connections Theory Program (SECTP). SAIC and the University of California, Irvine (UCI) have conducted research into theoretical modeling of active regions, the solar corona, and the inner heliosphere, using the MHD model.
Author: Rainer Schwenn
Publisher: Springer Science & Business Media
ISBN: 3642753647
Category : Science
Languages : en
Pages : 360
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Book Description
Physics of the Inner Heliosphere gives for the first time a comprehensive and complete summary of our knowledge of the inner solar system. Using data collected over more than 11 years by the HELIOS twin solar probes, one of the most successful ventures in unmanned space exploration, the authors have compiled six extensive reviews of the physical processes of the inner heliosphere and their relation to the solar atmosphere. Researchers and advanced students in space and plasma physics, astronomy, and solar physics will be surprised to see just how closely the heliosphere is tied to, and how sensitively it depends on, the sun. Volume 2 deals with particles, waves, and turbulence, with chapters on: - magnetic clouds - interplanetary clouds - the solar wind plasma and MHD turbulence - waves and instabilities - energetic particles in the inner solar system
Author: Rainer Schwenn
Publisher: Springer Science & Business Media
ISBN: 3642753612
Category : Science
Languages : en
Pages : 290
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Book Description
Physics of the Inner Heliosphere gives for the first time a comprehensive and complete summary of our knowledge of the inner solar system. Using data collected over more than 11 years by the HELIOS twin solar probes, one of the most successful ventures in unmanned space exploration, the authors have compiled 10 extensive reviews of the physical processes of the inner heliosphere and their connections to the solar atmosphere. Researchers and advanced students in space and plasma physics, astronomy, and solar physics will be surprised to see just how closely the heliosphere is tied to the sun and how sensitively it depends on our star. The four chapters of Volume I of the work deal with large-scale phenomena: - observations of the solar corona - the structure of the interplanetary medium - the interplanetary magnetic field - interplanetary dust.
Author: S. Gibson
Publisher:
ISBN:
Category : Heliosphere (Astrophysics)
Languages : en
Pages : 198
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Book Description
Author: Christina On-Yee Lee
Publisher:
ISBN:
Category :
Languages : en
Pages : 338
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Book Description
This dissertation is devoted to expanding our understanding of the solar wind structure in the inner heliosphere and variations therein with solar activity. Using spacecraft observations and numerical models, the origins of the large-scale structures and long-term trends of the solar wind are explored in order to gain insights on how our Sun determines the space environments of the terrestrial planets. I use long term measurements of the solar wind density, velocity, interplanetary magnetic field, and particles, together with models based on solar magnetic field data, to generate time series of these properties that span one solar rotation (̃27 days). From these time series, I assemble and obtain the synoptic overviews of the solar wind properties. The resulting synoptic overviews show that the solar wind around Mercury, Venus, Earth, and Mars is a complex co-rotating structure with recurring features and occasional transients. During quiet solar conditions, the heliospheric current sheet, which separates the positive interplanetary magnetic field from the negative, usually has a remarkably steady two- or four-sector structure that persists for many solar rotations. Within the sector boundaries are the slow and fast speed solar wind streams that originate from the open coronal magnetic field sources that map to the ecliptic. At the sector boundaries, compressed high-density and the related high-dynamic pressure ridges form where streams from different coronal source regions interact. High fluxes of energetic particles also occur at the boundaries, and are seen most prominently during the quiet solar period. The existence of these recurring features depends on how long-lived are their source regions. In the last decade, 3D numerical solar wind models have become more widely available. They provide important scientific tools for obtaining a more global view of the inner heliosphere and of the relationships between conditions at Mercury, Venus, Earth, and Mars. When I compare the model results with observations for periods outside of solar wind disturbances, I find that the models do a good job of simulating at least the steady, large-scale, ambient solar wind structure. However, it remains a challenge to accurately model the solar wind during active solar conditions. During these times, solar transients such as coronal mass ejections travel through interplanetary space and disturb the ambient solar wind, producing a far less predictable and modelable space environment. However, such conditions may have the greatest impact on the planets - especially on their atmospheres and magnetospheres. I therefore also consider the next steps in modeling, toward including active conditions.
