The demonstration of electric propulsion was an ion engine carried on board the sert1 space electric rocket test spacecraft, launched on 20 july 1964 and it operated for 31 minutes. Electrostatic propulsion, wherein the propellant is. An short introduction to plasma and ion spacecraft propulsion. Pdf electric propulsion research and development at jpl. The most famous spaceships in the sf literature are powered by electricpropulsion engines, like the discovery in the film 2001. Luckily we can distinguish two qualitatively different regions. The subsequent pages within the electric propulsion section contain specific information and technologies pertaining to the. An electricallypowered spacecraft propulsion system uses electrical, and possibly also magnetic fields, to change the velocity of a spacecraft. Although we have discussed the differences between the two principal types of airbreathing propulsion systems, it is interesting to note that that the ramjet is a particular case of the gas turbine propulsion system.
Other electric propulsion devices can have even more dramatic losses 1. Jahn, professor of aerospace sciences at princeton university, starts his presentation with primary physical principles and concludes with realistic space thruster designs. Electric propulsion an analysis of current propulsion systems. Hybrid electric propulsion breakout summary from nasa aero propulsion control technology roadmap development workshop august 1819, 2016, cleveland, ohio george kopasakis. Texts that start at a fundamental concept building toward a complex set of actions is invaluable. Future trends of electrical propulsion and implications to. May 26, 2006 physics of electric propulsion by robert g. Nextstep research opportunities lay at the intersection between the issues evoked by the propulsion ideas and unresolved problems in contemporary physics. A simplified illustrative description of the principles of operation is given. Physics of electric propulsion dover books on physics. 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. An ion engine has a high specific impulse making it very fuelefficient but a very low thrust.
Design and performance analysis study of an ion thruster. Starting with primary physical principles and concluding with realistic space thruster designs, it surveys aspects of electricity, magnetism, and ionized gas mechanics. 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. American institute of aeronautics and astronautics 12700 sunrise valley drive, suite 200 reston, va 201915807 703. New branch point of contact for hybrid electric control research is. Merino, 20170126 ep2 research group new capabilities.
Read unlimited books and audiobooks on the web, ipad, iphone and android. Electrical aspects of the rocket ion propulsion system. The gas turbine propulsion system, on the other hand, has gasdynamic and mechanical compression and expansion, fig. Biblarz, the eighth edition of rocket propulsion elements offers a thorough introduction to basic principles of rocket propulsion for guided missiles, space flight, or satellite flight. They are then collected by the upstream anode, and pumped by the power supply to an external.
A followup mission launched on 3 february 1970, sert2, carried two ion thrusters, one operated for more than five months and the other for almost three months. Utilization of ambient gas as a propellant for low earth orbit electric propulsion pdf. A new principle of electric propulsion for spacecraft is introduced, using microwave technology to achieve direct conversion of d. Choueiri, electric propulsion, encyclopedia of physical. Typical all electric propulsion arrangements all electric propulsion arrangements operating profile of the vessels advancement in naval weapon systems increase in. Start here if the reader really wants to understand the initial motivations behind design trades in the beginning of spaceflight. The breakthrough propulsion physics project bpp was a research project funded by nasa from 19962002 to study various proposals for revolutionary methods of spacecraft propulsion that would require breakthroughs in physics before they could be realized. Geared toward advanced undergraduates and graduate st.
Geared toward advanced undergraduates and graduate students, this text systematically develops the concepts of electrical acceleration of gases for propulsion. Electric propulsion an analysis of current propulsion. Electric machines, power electronics, electric propulsion system for ships. Our electric space propulsion expertise is based on the space proven radio frequency ion technology rit. Geared toward advanced undergraduates and graduate students, this text systematically develops the. Electric propulsion 127 historically, conceptually, and pragmatically, this. Lecture notes marine power and propulsion mechanical. A more systematic and detailed version of this process is john andersons horizon mission methodology 6.
In addition, there process control modeling design simulation pdf is a supply of trained engineers and the education. Within this field, we produce complete propulsion systems, modules, thrusters and related components. Electric propulsion and plasma dynamics laboratory princeton. Pisacane as part of requirements for 744 space systems i course at jhu, whiting school of engineering. For propulsion, the maximum thruster efficiency can be summed as the kinetic energy divided by the total energy spent or power in a given unit of time.
The ion propulsion system for the solar electric propulsion. Journal of propulsion and power articles in advance. Advances in electric propulsion electric propulsion has been applied in marine vessels over many decades, while the real expansion and wider use started in the 1990s. Modeling the physics of plasma thruster plumes in electric. Read unlimited books and audiobooks on the web, ipad, iphone and. The impact of electric propulsion on the performance of. Electric propulsion is not a new concept, having been studied in parallel with chemical propulsion for many years, and sciencefiction writers have always been fascinated by it. Nuclear propulsion through direct conversion of fusion energy the future of manned space exploration and development of space depends critically on the creation of a dramatically more proficient propulsion architecture for inspace transportation. The role of nuclear power and nuclear propulsion in the peaceful exploration of space. Jahn geared toward advanced undergraduates and graduate students, this text systematically develops the concepts of electrical acceleration of gases for propulsion. Reference herein to any specific commercial product, process, or service. Electrically powered spacecraft propulsion wikipedia.
Electrostatic propulsion devices electrothermal propulsion devices electromagnetic propulsion devices. The project ended in 2002, when the advanced space transportation program was reorganized and all speculative research less than technology. An ion thruster or ion drive is a form of electric propulsion used for spacecraft propulsion. Army public school, bangalore, university of petroleum and energy sciences. The book, dated, is a wonderful introduction to the world of electric propulsion. Electrothermal propulsion, wherein the propellant is heated by some electrical process, then expanded through a suitable nozzle 2.
Physics of electric propulsion dover books on physics, jahn. Electric propulsion the acceleration of gases for propulsion by electric heating andor by electric and magnetic body forces. The impact of electric propulsion on the performance of vtol. Overview of electric propulsion activities in japan kimiya komurasaki1 the university of tokyo, kashiwa, 2778561, japan and hitoshi kuninaka 2 japan aerospace exploration agency, sagamihara, 2998510, japan. Figure 1 development of electric propulsion fleet in 1995 the electric propulsion fleet was made of 269 units, with 11 units delivered that year. Hybrid electric propulsion breakout summary from nasa aeropropulsion control technology roadmap development workshop august 1819, 2016, cleveland, ohio george kopasakis. The advent of distributed propulsion and electric or hybrid electric propulsion systems offers additional opportunities to optimize the vehicle layout and improve flight performance. Equation 1 shows the efficiency as a function of propellant velocity. An procash 280 pdf electric field and electromagnetic propulsion, wherein current driven. Katz, electric propulsion for jpl missions aiaa20053674, 41 st aiaa joint propulsion conference, tucson, az, july 10, 2005. A form of electric space propulsion in which ions are accelerated by an electrostatic field to produce a highspeed typically about 30 kms exhaust. The technology of early ion propulsion systems that used cesium and mercury propellants.
Electric propulsion system characterization through experiments. Jahn, 9780486450407, available at book depository with free delivery worldwide. Nuclear electric propulsion is expected to open new doors in deep space. Solar electric propulsion concepts for human space exploration carolyn r. Giesepp gridded ion engine standardised electric propulsion platform consortium. Solar electric propulsion concepts for human space exploration.
Most of these kinds of spacecraft propulsion systems work by electrically expelling propellant reaction mass at high speed electric thrusters typically use much less propellant than chemical rockets because they have a higher exhaust speed operate. Stipub1197 isbn 9201074042 includes bibliographical references. Hall thrusters have had a curious and long history. The subsequent pages within the electric propulsion section contain specific information and technologies pertaining to the differing subsets of electric propulsion systems. Electrical aspects of the rocket ion propulsion system jaisal chauhan, dr ugur guven. Thruster for the solar electric propulsion technology demonstration mission, presented at the 62nd jannaf propulsion meeting, jannaf20153946, nashville, tn, june 1 5, 2015. The advent of distributed propulsion and electricor hybridelectric propulsion systems offers additional opportunities to optimize the vehicle layout and improve flight performance. Electric propulsion systems describe a wide variety of differing mechanics to propel a spacecraft. Overview of electric propulsion activities in japan invited. Consortium partners include the arianegroup, qinetiq, ohb, crisa airbus defence and space, ast advanced space technologies, mars space and the university of. We are partners of the giesepp consortium which is supported by the european unions horizon 2020 research and innovation programme.
Cathodeless ion engines are on the hayabusa asteroid explorer, and kaufmantype engines are on the engineering test satelliteviii at. Spacecraft powered by typical electric propulsion systems may eject propellant at up to 20 times the speed of conventional chemical systems, delivering a much higher specific impulse, or the amount of thrust obtained for the weight of fuel burned. Use features like bookmarks, note taking and highlighting while reading physics of electric propulsion dover books on physics. Electromagnetic, electrothermal, and electrostatic thrusters rely upon the supply of electric power for propulsion. Electric propulsion systems for ships topics yoshifumi ajioka kiyoshi ohno increasing use of electric propulsion systems on ships as is the case with general automobiles that are driven on land, the main type of engine used on ships is the internal combustion engine motors such as diesel engines and gas turbines. An advanced electric propulsion diagnostic aepd platform. Abstract a rocket is a machine that develops thrust by means of rapid expulsion of matter. Throughout most of the twentieth century, electric propulsion was considered the technology of the future. New branch point of contact for hybridelectric control research is. Download pdf physicsofelectricpropulsion free online.
Richard hofer preparing to test jpls 6 kw hall thruster. This report embraces a number of conventional propulsion methods and fuels and also. Merino, 20170126 unmagnetized ep plasma plumes physical phenomena in a plasma plume can be complex. The general classes of systems for electric propulsion are.
Electric propulsion system characterization through. Robert george jahn april 1, 1930 november 15, 2017 was an american plasma physicist, professor of aerospace science, and dean of engineering at princeton university. In 20 the fleet accounted for 1750 units, with 199 units delivered that year alone figure 1 and figure 2. Physics of electric propulsion dover books on physics 9780486450407. Physics of electric propulsion dover books on physics kindle edition by jahn, robert g download it once and read it on your kindle device, pc, phones or tablets.
The electric propulsion systems linkedin slideshare. Electric ion space propulsion systems and thrusters. As an additional application it is also possible, that the energy necessary for the functioning of the electric units of the propulsion system is ensured by using. Read physics of electric propulsion online by robert g. The role of nuclear power and nuclear propulsion in the. Dec 19, 2015 1 overview ofthe conventional power plants in marine system. Radio frequency ion propulsion for orbit raising, station keeping and deep space missions. Barrett national aeronautics and space administration glenn research center cleveland, ohio 445 abstract advances in solar array and electric thruster technologies now offer the promise of new, very capable. It describes the physical mechanisms and designs for various types of rockets and provides an understanding of how rocket propulsion is applied to flying vehicles. Experimental characterization is an essential task in development, qualification and optimization process of electric propulsion thrusters or ion beam sources for material processing, because it can verify that the thruster or ion beam source fulfills the requested mission or application requirements, and it can provide parameters for thruster and plasma modeling.
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