Leo Orbit Surface Charging And Its Relationship To Environment Vehicle Geometry And Ionospheric Conditions

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LEO Orbit Surface Charging and Its Relationship to Environment, Vehicle Geometry, and Ionospheric Conditions

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Author :
Publisher :
ISBN 13 :
Total Pages : 13 pages
Book Rating : 4.:/5 (318 download)

Book Synopsis LEO Orbit Surface Charging and Its Relationship to Environment, Vehicle Geometry, and Ionospheric Conditions by :

Download or read book LEO Orbit Surface Charging and Its Relationship to Environment, Vehicle Geometry, and Ionospheric Conditions written by and published by . This book was released on 2008 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ungrounded surface materials on the exterior of low-to-medium altitude and medium-to-high inclination satellites can become charged in the auroral electron environment at high latitudes. The orientation of such surfaces will present different aspects relative to the satellite sun line and the satellite velocity vector. Such surfaces can be both in shadow and in the satellite wake at the same time, which enhances the chances of charging in the dusk to pre-noon sector of the auroral oval, depending on plasma density and lighting conditions at file satellite altitude and inclination. It is recommended that all surfaces be conductors if surface charging and associated electrostatic discharge (ESD) are to be avoided. Otherwise, the satellite system should be designed to tolerate the surface ESD that will occur.

Active Vehicle Charging Measurements in Sounding Rocket and Space Shuttle Orbiter Environments at Low Earth Orbit (LEO) Altitude

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Author : W. J. Raitt
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (228 download)

Book Synopsis Active Vehicle Charging Measurements in Sounding Rocket and Space Shuttle Orbiter Environments at Low Earth Orbit (LEO) Altitude by : W. J. Raitt

Download or read book Active Vehicle Charging Measurements in Sounding Rocket and Space Shuttle Orbiter Environments at Low Earth Orbit (LEO) Altitude written by W. J. Raitt and published by . This book was released on 1987 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Several collaborative experiments on active space vehicle charging, involved use of low power electron guns to charge the vehicle, and a variety of diagnostics to monitor the electrical potential of the electron gun platform, and perturbations to the charge sheath around the vehicle. The physical processes involved in the acquisition of the steady state electrical potential of a vehicle at LEO altitudes under passive and active conditions is reviewed. Sounding rocket results show that for daytime experiments the vehicle potential rarely exceeds 10v for beam currents up to 80mA. At nighttime both low vehicle charging conditions and somewhat higher charging into the 100's of volt range are observed. The space shuttle orbiter appears to carry a cloud of out-gassing material with it which can become partially ionised thereby providing additional charge carriers for vehicle return currents. The return current flow to the Orbiter is restricted to a small percentage of the vehicle surface area (engine nozzles) and is thereby subject to pronounced plasma wake effects, however the total area is large enough that low electron beam currents can readily be balanced by electron collection at a fairly low potential if the engines have access to typical LEO mid-latitude ionospheric plasma concentrations.

Natural Orbital Environment Definition Guidelines for Use in Aerospace Vehicle Development

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ISBN 13 :
Total Pages : 242 pages
Book Rating : 4.:/5 (317 download)

Book Synopsis Natural Orbital Environment Definition Guidelines for Use in Aerospace Vehicle Development by :

Download or read book Natural Orbital Environment Definition Guidelines for Use in Aerospace Vehicle Development written by and published by . This book was released on 1994 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific and Technical Aerospace Reports

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ISBN 13 :
Total Pages : 964 pages
Book Rating : 4.:/5 (31 download)

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Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1987 with total page 964 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Space Station Systems

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ISBN 13 :
Total Pages : 606 pages
Book Rating : 4.3/5 (91 download)

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Download or read book Space Station Systems written by and published by . This book was released on 1986 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Large Space Structures & Systems in the Space Station Era

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ISBN 13 :
Total Pages : 356 pages
Book Rating : 4.:/5 (31 download)

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Download or read book Large Space Structures & Systems in the Space Station Era written by and published by . This book was released on 1991 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Large Space Structures & Systems in the Space Station Era

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ISBN 13 :
Total Pages : 710 pages
Book Rating : 4.3/5 (91 download)

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Download or read book Large Space Structures & Systems in the Space Station Era written by and published by . This book was released on 1990 with total page 710 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Guide to Mitigating Spacecraft Charging Effects

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Author : Henry B. Garrett
Publisher : John Wiley & Sons
ISBN 13 : 1118241339
Total Pages : 202 pages
Book Rating : 4.1/5 (182 download)

Book Synopsis Guide to Mitigating Spacecraft Charging Effects by : Henry B. Garrett

Download or read book Guide to Mitigating Spacecraft Charging Effects written by Henry B. Garrett and published by John Wiley & Sons. This book was released on 2012-04-20 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: The definitive guide to the modern body of spacecraft charging knowledge—from first principles for the beginner to intermediate and advanced concepts The only book to blend the theoretical and practical aspects of spacecraft charging, Guide to Mitigating Spacecraft Charging Effects defines the environment that not only creates the aurora, but which also can have significant effects on spacecraft, such as disruption of science measurements and solar arrays from electrostatic discharge (ESD). It describes in detail the physics of the interaction phenomenon as well as how to construct spacecraft to enhance their survivability in the harsh environment of space. Combining the authors' extensive experience in spacecraft charging—and in their provision of design support to NASA, JPL, the commercial satellite market, and numerous other projects—this incredible book offers both a robust physics background and practical advice for neophytes in the field and experienced plasma physicists and spacecraft engineers. In addition to containing numerous equations, graphs, tables, references, and illustrations, Guide to Mitigating Spacecraft Charging Effects covers: Solar cell technology, especially higher voltage arrays, and the new design approaches that are appropriate for them Information about the space plasma environment New analytic computer codes to analyze spacecraft charging Spacecraft anomalies and failures which emphasized designs that are of greater importance than others

The Sun, the Earth, and Near-earth Space

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Author : John A. Eddy
Publisher : Government Printing Office
ISBN 13 : 9780160838088
Total Pages : 316 pages
Book Rating : 4.8/5 (38 download)

Book Synopsis The Sun, the Earth, and Near-earth Space by : John A. Eddy

Download or read book The Sun, the Earth, and Near-earth Space written by John A. Eddy and published by Government Printing Office. This book was released on 2009 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: " ... Concise explanations and descriptions - easily read and readily understood - of what we know of the chain of events and processes that connect the Sun to the Earth, with special emphasis on space weather and Sun-Climate."--Dear Reader.

Ionospheric Prediction and Forecasting

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Author : Bruno Zolesi
Publisher : Springer Science & Business Media
ISBN 13 : 3642384307
Total Pages : 244 pages
Book Rating : 4.6/5 (423 download)

Book Synopsis Ionospheric Prediction and Forecasting by : Bruno Zolesi

Download or read book Ionospheric Prediction and Forecasting written by Bruno Zolesi and published by Springer Science & Business Media. This book was released on 2013-09-25 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes how to predict and forecast the state of planet Earth’s ionosphere under quiet and disturbed conditions in terms of dynamical processes in the weakly ionized plasma media of the upper atmosphere and their relation to available modern measurements and modelling techniques. It explains the close relationship between the state of the media and the radio wave propagation conditions via this media. The prediction and forecasting algorithms, methods and models are oriented towards providing a practical approach to ionospherically dependent systems design and engineering. Proper understanding of the ionosphere is of fundamental practical importance because it is an essential part of telecommunication and navigation systems that use the ionosphere to function or would function much better in its nonappearance on the Earth and on any planet with an atmosphere.

Bulletin of the Atomic Scientists

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ISBN 13 :
Total Pages : 88 pages
Book Rating : 4./5 ( download)

Book Synopsis Bulletin of the Atomic Scientists by :

Download or read book Bulletin of the Atomic Scientists written by and published by . This book was released on 1961-05 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Bulletin of the Atomic Scientists is the premier public resource on scientific and technological developments that impact global security. Founded by Manhattan Project Scientists, the Bulletin's iconic "Doomsday Clock" stimulates solutions for a safer world.

Space Station Systems

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ISBN 13 :
Total Pages : 308 pages
Book Rating : 4.F/5 ( download)

Book Synopsis Space Station Systems by :

Download or read book Space Station Systems written by and published by . This book was released on 1986 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Planning the Future Space Weather Operations and Research Infrastructure: Proceedings of the Phase II Workshop

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Author : National Academies Of Sciences Engineeri
Publisher : National Academies Press
ISBN 13 : 9780309693660
Total Pages : 0 pages
Book Rating : 4.6/5 (936 download)

Book Synopsis Planning the Future Space Weather Operations and Research Infrastructure: Proceedings of the Phase II Workshop by : National Academies Of Sciences Engineeri

Download or read book Planning the Future Space Weather Operations and Research Infrastructure: Proceedings of the Phase II Workshop written by National Academies Of Sciences Engineeri and published by National Academies Press. This book was released on 2023-06-14 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Affecting technological systems at a global-scale, space weather can disrupt high-frequency radio signals, satellite-based communications, navigational satellite positioning and timing signals, spacecraft operations, and electric power delivery with cascading socioeconomic effects resulting from these disruptions. Space weather can also present an increased health risk for astronauts, as well as aviation flight crews and passengers on transpolar flights. In 2019, the National Academies was approached by the National Aeronautics and Space Administration, the National Oceanic and Atmospheric Administration, and the National Science Foundation to organize a workshop that would examine the operational and research infrastructure that supports the space weather enterprise, including an analysis of existing and potential future measurement gaps and opportunities for future enhancements. This request was subsequently modified to include two workshops, the first (Phase I) of which occurred in two parts on June 16-17 and September 9-11, 2020. The Phase II workshop occurred on April 11-14, 2022, with sessions on agency updates, research needs, data science, observational and modeling needs, and emerging architectures relevant to the space weather research community and with ties to operational needs. This publication summarizes the presentation and discussion of that workshop.

NASA SP.

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ISBN 13 :
Total Pages : 368 pages
Book Rating : 4.:/5 (319 download)

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Download or read book NASA SP. written by and published by . This book was released on 1990 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:

International Aerospace Abstracts

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ISBN 13 :
Total Pages : 1044 pages
Book Rating : 4.F/5 ( download)

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Download or read book International Aerospace Abstracts written by and published by . This book was released on 1999 with total page 1044 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Precise Geodetic Infrastructure

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Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309163293
Total Pages : 157 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Precise Geodetic Infrastructure by : National Research Council

Download or read book Precise Geodetic Infrastructure written by National Research Council and published by National Academies Press. This book was released on 2010-10-25 with total page 157 pages. Available in PDF, EPUB and Kindle. Book excerpt: Geodesy is the science of accurately measuring and understanding three fundamental properties of Earth: its geometric shape, its orientation in space, and its gravity field, as well as the changes of these properties with time. Over the past half century, the United States, in cooperation with international partners, has led the development of geodetic techniques and instrumentation. Geodetic observing systems provide a significant benefit to society in a wide array of military, research, civil, and commercial areas, including sea level change monitoring, autonomous navigation, tighter low flying routes for strategic aircraft, precision agriculture, civil surveying, earthquake monitoring, forest structural mapping and biomass estimation, and improved floodplain mapping. Recognizing the growing reliance of a wide range of scientific and societal endeavors on infrastructure for precise geodesy, and recognizing geodetic infrastructure as a shared national resource, this book provides an independent assessment of the benefits provided by geodetic observations and networks, as well as a plan for the future development and support of the infrastructure needed to meet the demand for increasingly greater precision. Precise Geodetic Infrastructure makes a series of focused recommendations for upgrading and improving specific elements of the infrastructure, for enhancing the role of the United States in international geodetic services, for evaluating the requirements for a geodetic workforce for the coming decades, and for providing national coordination and advocacy for the various agencies and organizations that contribute to the geodetic infrastructure.

Large Space Structures & Systems in the Space Station Era

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Author : John J. Ferrainolo
Publisher :
ISBN 13 :
Total Pages : 356 pages
Book Rating : 4.:/5 (317 download)

Book Synopsis Large Space Structures & Systems in the Space Station Era by : John J. Ferrainolo

Download or read book Large Space Structures & Systems in the Space Station Era written by John J. Ferrainolo and published by . This book was released on 1990 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: