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Pulsed Plasma Thruster Plumes
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Book Synopsis Particle Simulation of Pulsed Plasma Thruster Plumes by :
Download or read book Particle Simulation of Pulsed Plasma Thruster Plumes written by and published by . This book was released on 2002 with total page 109 pages. Available in PDF, EPUB and Kindle. Book excerpt: This final report summarizes the research carried out on the development of numerical approaches for simulating the plumes of pulsed plasma thrusters. A significant amount of progress has been made in the three years of this grant and this summarized in the 9 journals and conference papers that are included as appendices to this report. Our modeling had made progress in al aspects of simulating these complex devices including Teflon ablation, plasma formation, electro-magnetic acceleration, plume expansion, and particulate transport. Several different pulsed plasma thruster devices were modeled including an electro-thermal device (the PPT-4 developed at the University of Illinois by Dr. Rod Burton), and various micro-PPT's (developed at the Air Force Research Laboratory by Dr. Greg Spanjers and colleagues).
Book Synopsis Pulsed Plasma Thruster Plumes by : Nikos A. Gatsonis
Download or read book Pulsed Plasma Thruster Plumes written by Nikos A. Gatsonis and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pulsed Plasma Thruster Plume Characterization of Ion Species Using a Gridded Energy Analyzer by : Krystal Marie Parker
Download or read book Pulsed Plasma Thruster Plume Characterization of Ion Species Using a Gridded Energy Analyzer written by Krystal Marie Parker and published by . This book was released on 2002 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Axisymmetric Hybrid Numerical Modeling of Pulsed Plasma Thruster Plumes by : Xuemin Yin
Download or read book Axisymmetric Hybrid Numerical Modeling of Pulsed Plasma Thruster Plumes written by Xuemin Yin and published by . This book was released on 2000 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pulsed Plasma Thruster Contamination by : Roger M. Myers
Download or read book Pulsed Plasma Thruster Contamination written by Roger M. Myers and published by . This book was released on 1996 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electron Temperature Effects on Pulsed Plasma Thruster Plume Expansion by : Nikos A. Gatsonis
Download or read book Electron Temperature Effects on Pulsed Plasma Thruster Plume Expansion written by Nikos A. Gatsonis and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modeling of a Pulsed Plasma Thruster from Plasma Generation to Plume Far Field by : Iain D. Boyd
Download or read book Modeling of a Pulsed Plasma Thruster from Plasma Generation to Plume Far Field written by Iain D. Boyd and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Plume Diagnostics in Pulsed Plasma Thruster by : Naoki Kumagai
Download or read book Plume Diagnostics in Pulsed Plasma Thruster written by Naoki Kumagai and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental and Theoretical Analysis of Pulsed Plasma Exhaust Plumes by : Dominic J. Palumbo
Download or read book Experimental and Theoretical Analysis of Pulsed Plasma Exhaust Plumes written by Dominic J. Palumbo and published by . This book was released on 1978 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pulsed plasma plume diagnostic studies performed in the past have shown that considerable uncertainty exists because of the degree of backscatter encountered in ground test facilities. The large level of backscatter is attributable to the extremely high mass expulsion rate characteristic of solid propellant pulsed plasma thrusters (30 to 40 g/s on the average). The study reported upon herein had the objective of obtaining a suitable analytic model and computational scheme for calculation of the plume characteristics of a 23 mN-s pulsed plasma thruster. The calculated results were compared to experimental measurements of electron number density and temperature, obtained using specially designed Langmuir probes, only up to the point in the time when backscatter of plume effluents off the vacuum chamber walls became significant. A secondary objective of the program was to design a suitable driver circuit for the Langmuir Sangmuir probes so that a voltage ramp could be pulsed for one microsecond at any given time subsequent to thruster discharge initiation and the volt-ampere characteristic could be displayed on an XY oscilloscope.
Book Synopsis Investigation Or a Pulsed Plasma Thruster Plume Using a Quadruple Langmuir Probe Technique by : Jurg C. Zwahlen
Download or read book Investigation Or a Pulsed Plasma Thruster Plume Using a Quadruple Langmuir Probe Technique written by Jurg C. Zwahlen and published by . This book was released on 2003 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Liquid Pulsed Plasma Thruster Plasma Plume Investigation and MR-SAT Cold Gas Propulsion System Performance Analysis by : Jeremiah Daniel Hanna
Download or read book Liquid Pulsed Plasma Thruster Plasma Plume Investigation and MR-SAT Cold Gas Propulsion System Performance Analysis written by Jeremiah Daniel Hanna and published by . This book was released on 2017 with total page 103 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The plasma plume produced by a liquid pulsed plasma thruster is investigated using a Langmuir triple probe and a nude Faraday probe. The Langmuir triple probe failed to produce results which are suspected caused by the presence of ionic liquid in the plume resulting in shorting of the probe. The nude Faraday probe is able to record the ion current density which revealed a high level of inconsistency in the plasma plume. Ion current density recorded by the nude Faraday probe had a relative standard deviation of upwards of 100% of the mean value. Controlling the amount of propellant used during each pulse was extremely difficult. Investigating the plasma plume with more complex probes was not done due to the inconsistency measured by the nude Faraday probe and the expulsion of ionic liquid from the thruster which is highly corrosive to metals. Examining the historical thrust test data performed by the Missouri Satellite Research Team, a revised model with new assumptions was created and resulted in an improvement in accuracy to within 4.5%. The cold gas propulsion system developed over the years had undergone testing which resulted in measured thrust half of what was predicted. Developing a thrust prediction scheme that incorporates the effects of the solenoid control valve decreases the error to between 1-3% depending on temperature considerations. This thrust prediction scheme can be applied to the current design for the NanoSat 8 competition and results in an accurate prediction of thrust"--Abstract, page iii.
Book Synopsis Pulsed Plasma Thruster Plume Measurements Using a Triple Langmuir Probe Method by : L. Byrne
Download or read book Pulsed Plasma Thruster Plume Measurements Using a Triple Langmuir Probe Method written by L. Byrne and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Plume Characterization of a One-Millipound Solid Teflon Pulsed Plasma Thruster by : L. C. Pless
Download or read book Plume Characterization of a One-Millipound Solid Teflon Pulsed Plasma Thruster written by L. C. Pless and published by . This book was released on 1978 with total page 103 pages. Available in PDF, EPUB and Kindle. Book excerpt: An evaluation was made of the pulsed plasma thruster plume-wall backscatter characteristics of the MOLSINK facility. On the thruster axis, this backscatter drops off to zero as the angle between the axis and wall location reaches 40. This wall backscatter was found to be essentially symmetric about the plume axis. The total integrated backscatter from the MOLSINK wall is approximately equal to 5% of the total mass injected from the pulsed plasma thruster during the discharge pulse.
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 Characterization of a Pulsed Plasma Thruster Plume Using a Quadruple Langmuir Probe Method by : N. A. Gatsonis
Download or read book Characterization of a Pulsed Plasma Thruster Plume Using a Quadruple Langmuir Probe Method written by N. A. Gatsonis and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Device and Plume Models of an Electrothermal Pulsed Plasma Thruster by : Michael Keidar
Download or read book Device and Plume Models of an Electrothermal Pulsed Plasma Thruster written by Michael Keidar and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Splitting Method for Unsteady 3-D Magnetogasdynamic Flows Applied to Pulsed Plasma Thruster Plumes by : Sergey T. Surzhikov
Download or read book A Splitting Method for Unsteady 3-D Magnetogasdynamic Flows Applied to Pulsed Plasma Thruster Plumes written by Sergey T. Surzhikov and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
