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Author : Michal Varady
Release : 2002
Genre :
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis Observations and Modeling of Plasma Loops in Solar Corona by : Michal Varady
Download or read book Observations and Modeling of Plasma Loops in Solar Corona written by Michal Varady. This book was released on 2002. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sean Robert Brannon
Release : 2016
Genre : Mathematical models
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis Observations and Modeling of Plasma Flows Driven by Solar Flares by : Sean Robert Brannon
Download or read book Observations and Modeling of Plasma Flows Driven by Solar Flares written by Sean Robert Brannon. This book was released on 2016. Available in PDF, EPUB and Kindle. Book excerpt: One of the fundamental statements that can be made about the solar atmosphere is that it is structured. This structuring is generally believed to be the result of both the arrangement of the magnetic field in the corona and the distribution of plasma along magnetic loops. The standard model of solar flares involves plasma transported into coronal loops via a process known as chromospheric evaporation, and the resulting evolution of the are loops is believed to be sensitive to the physical mechanism of energy input into the chromosphere by the are. We present here the results of three investigations into chromospheric plasma flows driven by solar are energy release and transport. First, we develop a 1-D hydrodynamic code to simulate the response of a simplified model chromosphere to energy input via thermal conduction from reconnection-driven shocks. We use the results from a set of simulations spanning a parameter space in both shock speed and chromospheric-to-coronal temperature ratio to infer power-law relationships between these quantities and observable evaporation properties. Second, we use imaging and spectral observations of a quasi-periodic oscillation of a are ribbon to determine the phase relationship between Doppler shifts of the ribbon plasma and the oscillation. The phase difference we find leads us to suggest an origin in a current sheet instability. Finally, we use imaging and spectral data of an on-disk are event and resulting are loop plasma flows to generally validate the standard picture of are loop evolution, including evaporation, cooling time, and draining downflows, and we use a simple free-fall model to produce the first direct comparison between observed and synthetic downflow spectra.
Author : R. J. Bray
Release : 1991-07-18
Genre : Science
Kind : eBook
Book Rating : 073/5 ( reviews)
Book Synopsis Plasma Loops in the Solar Corona by : R. J. Bray
Download or read book Plasma Loops in the Solar Corona written by R. J. Bray. This book was released on 1991-07-18. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive account of the properties of plasma loops, the fundamental structural elements of the solar corona. Plasma loops cover a wide range of sizes and range in temperature from tens of thousands to millions of degrees. They not only define the structure of individual active regions but connect different active regions--even across the solar equator. Loops also play an integral and decisive role in the enormous solar explosions called flares. Over recent years a wealth of space and ground-based observations of loops has been obtained in various widely-spaced regions of the electromagnetic spectrum. In this book the authors have selected the best observational material from the literature on which to base a detailed account of the properties of flare and non-flare loops. The book also explores the larger implications of the loop structures for our understanding of solar and stellar coronae. The text is enhanced by a large number of illustrations and unique and beautiful photographs obtained from the ground and from space.
Author : Markus Aschwanden
Release : 2006-08-26
Genre : Science
Kind : eBook
Book Rating : 664/5 ( reviews)
Book Synopsis Physics of the Solar Corona by : Markus Aschwanden
Download or read book Physics of the Solar Corona written by Markus Aschwanden. This book was released on 2006-08-26. Available in PDF, EPUB and Kindle. Book excerpt: A thorough introduction to solar physics based on recent spacecraft observations. The author introduces the solar corona and sets it in the context of basic plasma physics before moving on to discuss plasma instabilities and plasma heating processes. The latest results on coronal heating and radiation are presented. Spectacular phenomena such as solar flares and coronal mass ejections are described in detail, together with their potential effects on the Earth.
Author : Markus Aschwanden
Release : 2006-01-30
Genre : Science
Kind : eBook
Book Rating : 655/5 ( reviews)
Book Synopsis Physics of the Solar Corona by : Markus Aschwanden
Download or read book Physics of the Solar Corona written by Markus Aschwanden. This book was released on 2006-01-30. Available in PDF, EPUB and Kindle. Book excerpt: A thorough introduction to solar physics based on recent spacecraft observations. The author introduces the solar corona and sets it in the context of basic plasma physics before moving on to discuss plasma instabilities and plasma heating processes. The latest results on coronal heating and radiation are presented. Spectacular phenomena such as solar flares and coronal mass ejections are described in detail, together with their potential effects on the Earth.
