Author: David H. ManzellaPublisher:
ISBN:
Category :
Languages : en
Pages : 18
Book Description
Laboratory Model 50 KW Hall Thruster
Author: David H. ManzellaLaboratory Model 50 KW Hall Thruster
Author: National Aeronautics and Space Administration (NASA)Publisher: Createspace Independent Publishing Platform
ISBN: 9781721530649
Category :
Languages : en
Pages : 30
Book Description
A 0.46 meter diameter Hall thruster was fabricated and performance tested at powers up to 72 kilowatts. Thrusts up to 2.9 Newtons were measured. Discharge specific impulses ranged from 1750 to 3250 seconds with discharge efficiencies between 46 and 65 percent. Overall specific impulses ranged from 1550 to 3050 seconds with overall efficiencies between 40 and 57 percent. Performance data indicated significant fraction of multiple-charged ions during operation at elevated power levels. Cathode mass flow rate was shown to be a significant parameter with regard to thruster efficiency. Manzella, David and Jankovsky, Robert and Hofer, Richard Glenn Research Center NASA/TM-2002-211887, NAS 1.15:211887, E-13569, AIAA Paper 2002-3676
Fundamentals of Electric Propulsion
Author: Dan M. GoebelPublisher: John Wiley & Sons
ISBN: 0470436263
Category : Technology & Engineering
Languages : en
Pages : 528
Book Description
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.
Performance Evaluation of a 50kW Hall Thruster
Author: David T. JacobsonFundamentals of Electric Propulsion
Author: Dan M. GoebelPublisher: John Wiley & Sons
ISBN: 1394163231
Category : Technology & Engineering
Languages : en
Pages : 564
Book Description
Fundamentals of Electric Propulsion Understand the fundamental basis of spaceflight with this cutting-edge guide As spacecraft engineering continues to advance, so too do the propulsion methods by which human beings can seek out the stars. Ion thrusters and Hall thrusters have been the subject of considerable innovation in recent years, and spacecraft propulsion has never been more efficient. For professionals within and adjacent to spacecraft engineering, this is critical knowledge that can alter the future of space flight. Fundamentals of Electric Propulsion offers a thorough grounding in electric propulsion for spacecraft, particularly the features and mechanisms underlying Ion and Hall thrusters. Updated in the light of rapidly expanding knowledge, the second edition of this essential guide detailed coverage of thruster principles, plasma physics, and more. It reflects the historic output of the legendary Jet Propulsion Laboratory and promises to continue as a must-own volume for spacecraft engineering professionals. Readers of the second edition of Fundamentals of Electric Propulsion readers will also find: Extensive updates to chapters covering hollow cathodes and Hall thrusters, based on vigorous recent research New sections covering magnetic shielding, cathode plume instabilities, and more Figures and homework problems in each chapter to facilitate learning and retention Fundamentals of Electric Propulsion is an essential work for spacecraft engineers and researchers working in spacecraft propulsion and related fields, as well as graduate students in electric propulsion, aerospace science, and space science courses.
The Use of Electrostatic Probes to Characterize the Discharge Plasma Structure and Identify Discharge Cathode Erosion Mechanisms in Ring-cusp Ion Thrusters
Author: Daniel A. HermanControl of Power Electronic Converters and Systems
Author: Frede BlaabjergPublisher: Academic Press
ISBN: 012816168X
Category : Technology & Engineering
Languages : en
Pages : 570
Book Description
Control of Power Electronic Converters, Volume Two gives the theory behind power electronic converter control and discusses the operation, modelling and control of basic converters. The main components of power electronics systems that produce a desired effect (energy conversion, robot motion, etc.) by controlling system variables (voltages and currents) are thoroughly covered. Both small (mobile phones, computer power supplies) and very large systems (trains, wind turbines, high voltage power lines) and their power ranges, from the Watt to the Gigawatt, are presented and explored. Users will find a focused resource on how to apply innovative control techniques for power converters and drives. - Discusses different applications and their control - Explains the most important controller design methods, both in analog and digital - Describes different, but important, applications that can be used in future industrial products - Covers voltage source converters in significant detail - Demonstrates applications across a much broader context
Ion Engine and Hall Thruster Development at the NASA Glenn Research Center
Author: The Development and Characterization of a Two-stage Hybrid Hall/ion Thruster
Author: Peter Young PetersonPublisher:
ISBN:
Category :
Languages : en
Pages : 600
Book Description
Author: Jesse Allen Linnell