Get your kindle here, or download a free kindle reading app. Electric propulsion provides a significantly higher specific impulse that allows mass reduction for spacecraft when used in lieu of chemical propulsion. Hall thrusters are very efficient and competitive electric propulsion. The hall thruster has other significant advantages such as. This video is part of the electric propulsion series a. 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. Most importantly, electric and plasma thrusters have a theoretical capacity to. Such regimes, generally referred here as hall plasmas, are widely employed in material processing magnetrons and electric propulsion hall thrusters 4, 5 devices.
Ion and hall thrusters march 2008 the research described in this publication was carried out at the jet propulsion laboratory, california institute of technology, under a contract with the national aeronautics and space administration. Jet propulsion laboratory california institute of technology. Syllabus space propulsion aeronautics and astronautics. 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. Electric ion space propulsion systems and thrusters. Compared with electric propulsion devices such as ion thrusters, the advantages of the hall thruster include a simpler structure and, more importantly, no space charge limitation. 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. Oct 21, 2017 this video is part of the electric propulsion series a. For micro and nano satellite applications, plasma thrusters should not only be miniaturized in mass and volume, but also capable of operating efficiently at very low power levels of a. Thrusters employing electrostatic methods of acceleration specifically hall and gridded ion type devices are superior to other electric types due to low secondary losses of energy e. In spacecraft propulsion, a halleffect thruster het is a type of ion thruster in which the propellant is accelerated by an electric field.
Halleffect thrusters use a magnetic field to limit the electrons axial motion and then use them to ionize propellant, efficiently accelerate the ions to produce thrust, and neutralize the ions in the plume. Electric propulsion products ranges from high and low power hall effect thrusters to electrothermal thrusters, from micronewton field emission electric propulsions up to hundreds of kilowatt magneto plasma dynamic thrusters. The most efficient propulsion system out there duration. This course covers the fundamentals of rocket propulsion and discusses advanced concepts in space propulsion ranging from chemical to electrical thrusters. Starting with primary physical principles and concluding with realistic space thruster designs, it surveys aspects of electricity, magnetism, and ionized gas mechanics underlying. Goebel is the chair of the american institute of aeronautics and astro nautics aiaa electric propulsion. Ion and hall thrusters is an indispensable textbook for advanced undergraduate and graduate students who. Geared toward advanced undergraduates and graduate students, this text systematically develops the concepts of electrical acceleration of gases for propulsion. European research into radiofrequency ion propulsion was initially conducted in the 1960s by the university of giessen, germany. An ion thruster depicted on the right comprises a cylindrically shaped. He is a recognized expert in advanced plasma and ion sources, microwave sources, highvoltage engineering, and pulsedpower switches. However, to date, no hall thruster simulation has produced results in agreement with data without assuming some anomalous electron transport.
Since the early 80s, sitael is involved in development of electric propulsion systems based on innovative proprietary technologies. The power source can be any source of electrical power, but solar and nuclear are the primary options. Ion and hall thrusters to be published this year, and is. An ion thruster or ion drive is a form of electric propulsion used for spacecraft propulsion. Electronicelectric propulsion in satellites, isros status on it, ion thruster,hall effect thruster. Electric thrusters, also termed ion or plasma thrusters, deliver a low thrust level compared to their chemical counterparts, but they offer significant advantages for inspace propulsion as energy is uncoupled to the propellant, therefore allowing for large energy densities. Fundamentals of electric propulsion by goebel, dan m.
Currently, more mature electric propulsion technologies typically considered for inspace use in earth orbit and beyond include. Download for offline reading, highlight, bookmark or take notes while you read fundamentals of electric propulsion. The electric propulsion system consists of five main parts. Hollow cathodes fundamentals of electric propulsion wiley.
Ion and hall thrusters to be published this year, and is the holder of 42 patents. Fundamentals of electric propulsion ion and hall thrusters dan m. It creates thrust by accelerating ions using electricity an ion thruster ionizes a neutral gas by extracting some electrons out of atoms, creating a cloud of positive ions. Electric propulsion an overview sciencedirect topics.
Loose leaf publication dan m goebel, ira katz, jet propulsion laboratory on. Ht20k is a highpower hall effect thruster het designed to be operated at a nominal discharge power of 20kw. Extremely high temperature of an insulated gas stream or direct acceleration by applied body forces ep thrusters are very fuel efficient due to high exhaust velocity v e. Reference herein to any specific commercial product, process, or service. Ht20k offers a favourable combination of performance, reliability, and lifetime for a variety of applications in future space transportation and exploration programs, as well as private commercial space missions. Scott hall, a doctoral student in gallimores lab, will use the funding to put the x3 through a battery of tests, running it up to 60 kilowatts in the plasmadynamics and electric propulsion lab at. Thruster principles fundamentals of electric propulsion. Ion and hall thrusters jpl space science and technology series book online at best prices in india on. This video describes how hall effect thruster works and also a brief history of electric. Fundamentals of jet propulsion with applications download. Within this field, we produce complete propulsion systems, modules, thrusters and related components.
As hall thrusters are electrostatic ion accelerators, thrust they produce can. Jan 26, 2018 electronic electric propulsion in satellites, isros status on it, ion thruster, hall effect thruster. Jahn, 1968 for v e above 10,000 ms, a propulsion system needs. The authors are with the electric propulsion group, propulsion and. Hall effect thrusters use a magnetic field to limit the electrons axial motion and then use them to ionize propellant, efficiently accelerate the ions to produce thrust, and neutralize the ions in the plume. Pdf physics of electric propulsion download full pdf book.
Recent progress and perspectives of space electric propulsion. In spacecraft propulsion, a hall effect thruster het is a type of ion thruster in which the propellant is accelerated by an electric field. Apr 19, 2016 pdf fundamentals of electric propulsion. The research described in this publication was carried out at the.
Perspectives, frontiers, and new horizons for plasmabased space. Goebel about the author ira katz about the author full version. Fundamentals of electric propulsion wiley online books. Ion and hall thrusters hard copies are published by. Fundamentals of electric propulsion ion and hall thrusters. Fundamentals of electric propulsion download ebook pdf. Its the textbook i worked from, and you can download it for free from nasa. Fundamentals of stationary plasma thruster theory request pdf. Clustering of hall effect thrusters for highpower electric propulsion applications by brian eric beal a dissertation submitted in partial fulfillment of the requirements for the degree of doctor of philosophy aerospace engineering at the university of michigan 2004 doctoral committee. Electronicelectric propulsion in satellites, isros status. Topics include advanced mission analysis, physics and engineering of microthrusters, solid propellant rockets, electrothermal, electrostatic, and electromagnetic schemes for accelerating. He is the author of over 100 technical papers, one book entitled fundamentals of electric propulsion. Ion current in hall thrusters richard hofer mafiadoc. Download pdf physicsofelectricpropulsion free online.
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. It does a pretty good job of explaining the trades. Hall thruster a serious contender to get humans to mars. Ht20k offers a favourable combination of performance, reliability, and lifetime for a variety of applications in future space transportation and exploration. Throughout most of the twentieth century, electric propulsion was considered the technology of the future.