The Use Of Electrostatic Probes To Characterize The Discharge Plasma Structure And Identify Discharge Cathode Erosion Mechanisms In Ring Cusp Ion Thrusters
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The Use Of Electrostatic Probes To Characterize The Discharge Plasma Structure And Identify Discharge Cathode Erosion Mechanisms In Ring Cusp Ion Thrusters
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Author : Daniel A. Herman
language : en
Publisher:
Release Date : 2005
The Use Of Electrostatic Probes To Characterize The Discharge Plasma Structure And Identify Discharge Cathode Erosion Mechanisms In Ring Cusp Ion Thrusters written by Daniel A. Herman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.
A Multiple Cathode High Power Rectangular Ion Thruster Discharge Chamber For Increasing Thruster Lifetime
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Author : Joshua Lucas Rovey
language : en
Publisher:
Release Date : 2006
A Multiple Cathode High Power Rectangular Ion Thruster Discharge Chamber For Increasing Thruster Lifetime written by Joshua Lucas Rovey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
Applied Science Materials Science And Information Technologies In Industry
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Author : D.L. Liu
language : en
Publisher: Trans Tech Publications Ltd
Release Date : 2014-02-06
Applied Science Materials Science And Information Technologies In Industry written by D.L. Liu and has been published by Trans Tech Publications Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-02-06 with Technology & Engineering categories.
Selected, peer reviewed papers from the 2014 International Conference on Advances in Materials Science and Information Technologies in Industry (AMSITI 2014), January 11-12, 2014, Xi’an, China
Journal Of Propulsion And Power
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Author :
language : en
Publisher:
Release Date : 2008
Journal Of Propulsion And Power written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Rocketry categories.
Dissertation Abstracts International
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Author :
language : en
Publisher:
Release Date : 2006
Dissertation Abstracts International written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Dissertations, Academic categories.
Fundamentals Of Electric Propulsion
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Author : Dan M. Goebel
language : en
Publisher: John Wiley & Sons
Release Date : 2008-12-22
Fundamentals Of Electric Propulsion written by Dan M. Goebel and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-12-22 with Technology & Engineering categories.
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.
Lithium Ion Batteries
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Author :
language : en
Publisher:
Release Date : 2019
Lithium Ion Batteries written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with Lithium ion batteries categories.
"This is the first machine-generated scientific book in chemistry published by Springer Nature. Serving as an innovative prototype defining the current status of the technology, it also provides an overview about the latest trends of lithium-ion batteries research. This book explores future ways of informing researchers and professionals. State-of-the-art computer algorithms were applied to: select relevant sources from Springer Nature publications, arrange these in a topical order, and provide succinct summaries of these articles. The result is a cross-corpora auto-summarization of current texts, organized by means of a similarity-based clustering routine in coherent chapters and sections. This book summarizes more than 150 research articles published from 2016 to 2018 and provides an informative and concise overview of recent research into anode and cathode materials as well as further aspects such as separators, polymer electrolytes, thermal behavior and modelling. With this prototype, Springer Nature has begun an innovative journey to explore the field of machine-generated content and to find answers to the manifold questions on this fascinating topic. Therefore it was intentionally decided not to manually polish or copy-edit any of the texts so as to highlight the current status and remaining boundaries of machine-generated content. Our goal is to initiate a broad discussion, together with the research community and domain experts, about the future opportunities, challenges and limitations of this technology."--Publisher's website.
Piezoelectric Mems Resonators
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Author : Harmeet Bhugra
language : en
Publisher: Springer
Release Date : 2017-01-18
Piezoelectric Mems Resonators written by Harmeet Bhugra and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-01-18 with Technology & Engineering categories.
This book introduces piezoelectric microelectromechanical (pMEMS) resonators to a broad audience by reviewing design techniques including use of finite element modeling, testing and qualification of resonators, and fabrication and large scale manufacturing techniques to help inspire future research and entrepreneurial activities in pMEMS. The authors discuss the most exciting developments in the area of materials and devices for the making of piezoelectric MEMS resonators, and offer direct examples of the technical challenges that need to be overcome in order to commercialize these types of devices. Some of the topics covered include: Widely-used piezoelectric materials, as well as materials in which there is emerging interest Principle of operation and design approaches for the making of flexural, contour-mode, thickness-mode, and shear-mode piezoelectric resonators, and examples of practical implementation of these devices Large scale manufacturing approaches, with a focus on the practical aspects associated with testing and qualification Examples of commercialization paths for piezoelectric MEMS resonators in the timing and the filter markets ...and more! The authors present industry and academic perspectives, making this book ideal for engineers, graduate students, and researchers.
Near Discharge Cathode Assembly Plasma Potential Measurements In A 30 Cm Nstar Type Ion Engine During Beam Extraction
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-06-24
Near Discharge Cathode Assembly Plasma Potential Measurements In A 30 Cm Nstar Type Ion Engine During Beam Extraction written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-24 with categories.
Floating emissive probe plasma potential data are presented over a two-dimensional array of locations in the near Discharge Cathode Assembly (DCA) region of a 30-cm diameter ring-cusp ion thruster. Discharge plasma data are presented with beam extraction at throttling conditions comparable to the NASA TH Levels 8, 12, and 15. The operating conditions of the Extended Life Test (ELT) of the Deep Space One (DS1) flight spare ion engine, where anomalous discharge keeper erosion occurred, were TH 8 and TH 12 consequently they are of specific interest in investigating discharge keeper erosion phenomena. The data do not validate the presence of a potential hill plasma structure downstream of the DCA, which has been proposed as a possible erosion mechanism. The data are comparable in magnitude to data taken by other researchers in ring-cusp electron-bombardment ion thrusters. The plasma potential structures are insensitive to thruster throttling level with a minimum as low as 14 V measured at the DCA exit plane and increasing gradually in the axial direction. A sharp increase in plasma potential to the bulk discharge value of 26 to 28 volts, roughly 10 mm radially from DCA centerline, was observed. Plasma potential measurements indicate a low-potential plume structure that is roughly 20 mm in diameter emanating from the discharge cathode that may be attributed to a free-standing plasma double layer. Herman, Daniel A. and Gallimore, Alec D. Glenn Research Center NASA/CR-2006-213296, AIAA Paper 2004-3958, E-14743
Electrostatic Probe Measurements Of Plasma Parameters For Two Reentry Flight Experiments At 25000 Feet Per Second
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Author : W. Linwood Jones
language : en
Publisher:
Release Date : 1972
Electrostatic Probe Measurements Of Plasma Parameters For Two Reentry Flight Experiments At 25000 Feet Per Second written by W. Linwood Jones and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Electrostatics categories.