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Langmuir Probe Spacecraft Potential End Item Specification Document
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Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781720608516 Total Pages :94 pages Book Rating :4.6/5 (85 download)
Book Synopsis Langmuir Probe Spacecraft Potential End Item Specification Document by : National Aeronautics and Space Administration (NASA)
Download or read book Langmuir Probe Spacecraft Potential End Item Specification Document written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document describes the Langmuir Probe Spacecraft Potential (LPSP) investigation of the plasma environment in the vicinity of the ProSEDS Delta II spacecraft. This investigation will employ a group of three (3) Langmuir Probe Assemblies, LPAs, mounted on the Delta II second stage to measure the electron density and temperature (n(sub e) and T(sub e)), the ion density (n(sub i)), and the spacecraft potential (V(sub s)) relative to the surrounding ionospheric plasma. This document is also intended to define the technical requirements and flight-vehicle installation interfaces for the design, development, assembly, testing, qualification, and operation of the LPSP subsystem for the Propulsive Small Expendable Deployer System (ProSEDS) and its associated Ground Support Equipment (GSE). This document also defines the interfaces between the LPSP instrument and the ProSEDS Delta II spacecraft, as well as the design, fabrication, operation, and other requirements established to meet the mission objectives. The LPSP is the primary measurement instrument designed to characterize the background plasma environment and is a supporting instrument for measuring spacecraft potential of the Delta II vehicle used for the ProSEDS mission. Specifically, the LPSP will use the three LPAs equally spaced around the Delta II body to make measurements of the ambient ionospheric plasma during passive operations to aid in validating existing models of electrodynamic-tether propulsion. These same probes will also be used to measure Delta II spacecraft potential when active operations occur. When the electron emitting plasma contractor is on, dense neutral plasma is emitted. Effective operation of the plasma contactor (PC) will mean a low potential difference between the Delta II second stage and the surrounding plasma and represents one of the voltage parameters needed to fully characterize the electrodynamic-tether closed circuit. Given that the LP already needs to be well away from any ne
Book Synopsis Scientific and Technical Aerospace Reports by :
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Book Synopsis Fundamentals of Electric Propulsion by : Dan M. Goebel
Download or read book Fundamentals of Electric Propulsion written by Dan M. Goebel and published by John Wiley & Sons. This book was released on 2008-12-22 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: Throughout most of the twentieth century, electric propulsion was considered the technology of the future. Now, the future has arrived. This important new book explains the fundamentals of electric propulsion for spacecraft and describes in detail the physics and characteristics of the two major electric thrusters in use today, ion and Hall thrusters. The authors provide an introduction to plasma physics in order to allow readers to understand the models and derivations used in determining electric thruster performance. They then go on to present detailed explanations of: Thruster principles Ion thruster plasma generators and accelerator grids Hollow cathodes Hall thrusters Ion and Hall thruster plumes Flight ion and Hall thrusters Based largely on research and development performed at the Jet Propulsion Laboratory (JPL) and complemented with scores of tables, figures, homework problems, and references, Fundamentals of Electric Propulsion: Ion and Hall Thrusters is an indispensable textbook for advanced undergraduate and graduate students who are preparing to enter the aerospace industry. It also serves as an equally valuable resource for professional engineers already at work in the field.
Book Synopsis Monthly Catalogue, United States Public Documents by :
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Book Synopsis Measurement Techniques in Space Plasmas by : Robert F. Pfaff
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Book Synopsis First CHAMP Mission Results for Gravity, Magnetic and Atmospheric Studies by : Christoph Reigber
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Book Synopsis Fundamental Planetary Science by : Jack J. Lissauer
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Book Synopsis Guide to Mitigating Spacecraft Charging Effects by : Henry B. Garrett
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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 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Observation of the Earth and its Environment by : Herbert J. Kramer
Download or read book Observation of the Earth and its Environment written by Herbert J. Kramer and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 601 pages. Available in PDF, EPUB and Kindle. Book excerpt: The following listing represents a survey and a short description of 'Earth Observing Mis sions' in alphabetical order. The listing in Part A considers completed-, operational-as well as planned missions on an international scale (Earth observations from space know no na tional boundaries). A look into past activities is important for reasons of heritage, context and of perspective. The document is intended for all who want to keep track of missions and sensors in the fast -growing field of Earth observations. There cannot be any claim to com pleteness, although a considerable effort was made to collect and integrate all known mis sions and sensors into this book. Earth observation by remote sensing changes our view and perception of the world. We be gin to realize the global character of remote sensing, its multidimensional and complemen tary nature, its vast potential to many disciplines, its importance to mankind as a whole. Re mote sensing permits for the first time in history a total system view of the Earth. The view from space toward Earth has brought about sweeping revisions in the Earth sciences, in par ticular in such fields as meteorology, oceanology, hydrology, geology, geography, forestry, agriculture, geodynamics, solar-terrestrial interactions, and many others.
Author :International Union of Pure and Applied Chemistry. Physical and Biophysical Chemistry Division Publisher :Royal Society of Chemistry ISBN 13 :0854044337 Total Pages :240 pages Book Rating :4.8/5 (54 download)
Book Synopsis Quantities, Units and Symbols in Physical Chemistry by : International Union of Pure and Applied Chemistry. Physical and Biophysical Chemistry Division
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Book Synopsis Government Reports Announcements & Index by :
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Book Synopsis Biochar for Environmental Management by : Dr. Johannes Lehmann
Download or read book Biochar for Environmental Management written by Dr. Johannes Lehmann and published by Earthscan. This book was released on 2009 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Biochar is the carbon-rich product when biomass (such as wood, manure, or crop residues) is heated in a closed container with little or no available air. It can be used to improve agriculture and the environment in several ways, and its stability in soil and superior nutrient-retention properties make it an ideal soil amendment to increase crop yields. In addition to this, biochar sequestration, in combination with sustainable biomass production, can be carbon-negative and therefore used to actively remove carbon dioxide from the atmosphere, with major implications for mitigation of climate change. Biochar production can also be combined with bioenergy production through the use of the gases that are given off in the pyrolysis process.This book is the first to synthesize the expanding research literature on this topic. The book's interdisciplinary approach, which covers engineering, environmental sciences, agricultural sciences, economics and policy, is a vital tool at this stage of biochar technology development. This comprehensive overview of current knowledge will be of interest to advanced students, researchers and professionals in a wide range of disciplines"--Provided by publisher.
Book Synopsis Space Station Systems: A Bibliography with Indexes (supplement 2) by :
Download or read book Space Station Systems: A Bibliography with Indexes (supplement 2) written by and published by . This book was released on 1986 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Introduction to Permanent Plug and Abandonment of Wells by : Mahmoud Khalifeh
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Book Synopsis Documentation of Plasma Physics. Pt. 1, Experimental Plasma Physics [and] Theoretical Plasma Physics by :
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Book Synopsis Nanotechnology in Space by : Maria Letizia Terranova
Download or read book Nanotechnology in Space written by Maria Letizia Terranova and published by CRC Press. This book was released on 2021-09-15 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents selected topics on nanotechnological applications in the strategic sector of space. It showcases some current activities and multidisciplinary approaches that have given an unprecedented control of matter at the nanoscale and will enable it to withstand the unique space environment. It focuses on the outstanding topic of dual-use nanotechnologies, illustrating the mutual benefits of key enabling materials that can be used successfully both on earth and in space. It highlights the importance of space as a strategic sector in the global economy, with ever-increasing related businesses worldwide. In this light, it dedicates a chapter to the analysis of current and future markets for space-related nanotechnological products and applications.
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