The aim is not to 1 author to whom any correspondence should be addressed. Propulsion, from the latin words pro meaning before or forwards and pellere meaning to drive is, as this latin word implies, the art of pushing ahead, and in space this means to push a spacecraft to accelerate it. Jahn, physics of electric propulsion 1968 ppt typically transient, 1 10 s snowplow detonation mode acceleration low efficiency relative to mpd mpd typically quasisteady, 1 ms or longer pulse blowing deflagration mode acceleration higher efficiency approaching 50% at high power jahn. Aste 572 advanced spacecraft propulsion spring 2019 schedule. The history, science, and reality of the perfect engine. Geared toward advanced undergraduates and graduate students, this text systematically develops the concepts of electrical acceleration of gases for propulsion. Design and analysis of electromagnetic propulsion system. An ion thruster or ion drive is a form of electric propulsion used for spacecraft propulsion. Jahn authored or coauthored five books and several hundred publications in various technical fields. His textbook physics of electric propulsion, first published in 1968, is still a primary reference in the field. Jahn geared toward advanced undergraduates and graduate students, this text systematically develops the concepts of electrical acceleration of gases for propulsion. A useful overview of electric propulsion for spacecraft was presented by martinezsanchez and pollard.
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. 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. 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. Electrically powered spacecraft propulsion wikipedia. Jordan maclay quantum fields llc richland center, wisconsin 53581 jay hammer and rod clark mems optical, inc.
Physics of electric propulsion dover books on physics, jahn. Lyne occult ether physics teslas hidden space propulsion system hypersonic airbreathing propulsion fundamentals of electric propulsion. 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. Broader view of electric propulsion can be found in several dedicated books by jahn, jahn and choueiri, goebel and katz, and a special issue of ieee transactions of plasma science vol 36, issue 5, part 1,2008. Fundamentals and implications for physics and chemistry. Electric propulsion for small satellites iopscience. This paper describes the basic physics of hall thrusters and gives a nonexhaustive summary of. The acceleration of gases for propulsion by electrical heating andor by electrical and magnetic body forces.
Robert jahn, pioneer of deep space propulsion and mind. Extremely high temperature of an insulated gas stream or. May 26, 2006 physics of electric propulsion by robert g. 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. Download pdf physicsofelectricpropulsion free online. The vicissitudes through which they decided to expatriate, the events which brought them to approach the field of propulsion, the way in which they ended up working together, and the accidents of the discovery of this novel propulsion. Electromagnetic, electrothermal, and electrostatic thrusters rely upon the supply of electric power for propulsion. Study of vacuum energy physics for breakthrough propulsion. 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. Physics of electric propulsion robert g jahn geared toward advanced undergraduates and graduate students, this text systematically develops the concepts of electrical acceleration of gases for propulsion. Jahn, 1968 for v e above 10,000 ms, a propulsion system needs. Electric propulsion an analysis of current propulsion systems.
Physics of electric propulsion, robert jahn, mcgrawhill, 1968. An electricallypowered spacecraft propulsion system uses electrical, and possibly also magnetic fields, to change the velocity of a spacecraft. 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. Starting with primary physical principles and concluding with realistic space thruster designs, it surveys aspects of electricity, magnetism, and ionized gas mechanics. Thus we speak of electrothermal, electrostatic, or electromagnetic propulsion devices. Click download or read online button to physicsofelectricpropulsion book pdf for free now. 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. Electrothermal propulsion, wherein the propellant is heated by some electrical process, then expanded through a suitable nozzle 2. Study of vacuum energy physics for breakthrough propulsion g. These were already described in 1968 by jahn jahn 2006. Course notes will also be provided in pdf format on the. Jahn, professor of aerospace sciences at princeton university, starts his presentation with primary physical principles and concludes with realistic space thruster designs.
Course notes will also be provided in pdf format on the class distance education network. Ion and hall thrusters jpl space science and technology series. Jahn and others published electric propulsion find, read and cite all the research you need on researchgate. Propulsion, from the latin words pro meaning before or forwards and pellere meaning to drive is, as this latin word implies, the art of pushing ahead, and in space this means to. Physics of electric propulsion journal of applied mechanics. Plasma acceleration processes in an ablative pulsed plasma.
Lyne occult ether physics teslas hidden space propulsion system. Here, the main focus is to present the early days of electrodeless magnetoplasma thrusters research and development for future missions with plasma engines. Jahn, 9780486450407, available at book depository with free delivery worldwide. May 26, 2006 geared toward advanced undergraduates and graduate students, this text systematically develops the concepts of electrical acceleration of gases for propulsion. These principles are simple in appearance but the physics of hall thrusters is very intricate and nonlinear because of the complex electron transport across the magnetic field and its coupling with the electric field and the neutral atom density. Physics of electric propulsion dover books on physics by jahn, robert g. First published in 1968, the textbook is still in print. Appts are space propulsion options suitable for microspacecraft, and have recently attracted much attention because of their low electric. Aste 572 advanced spacecraft propulsion spring 2019. Physics of electric propulsion dover books on physics. Pulsed plasma acceleration modeling in detonation and. Jahn 1968 defines electric propulsion as the acceleration of gases for propulsion by electric heating andor by electric and magnetic body forces. Jahn s former students said his seminal work, physics of electric propulsion, provided a foundation for the field.
Electric propulsion uses electric energy to energize or accelerate the propellant. Electrostatic propulsion, wherein the propellant is. The subsequent pages within the electric propulsion section contain specific information and technologies pertaining to the. Reference herein to any specific commercial product, process, or service. Geared toward advanced undergraduates and graduate students, this text develops the concepts of electrical acceleration of gases for propulsion.
Throughout most of the twentieth century, electric propulsion was considered the technology of the future. Plasma acceleration processes in an ablative pulsed plasma thruster appt were investigated. Calculations which i often have to redo, and textbook problems that i get hung up on. How our space program uses ion propulsion children s physics. Electric propulsion systems describe a wide variety of differing mechanics to propel a spacecraft. Use features like bookmarks, note taking and highlighting while reading physics of electric propulsion dover books on physics. Most of these kinds of spacecraft propulsion systems work by electrically expelling propellant reaction mass at high speed electric. Huntsville, alabama 35806 michael george, yeong kim, and asit kir university of alabama huntsville, alabama 35805 abstract. How our space program uses ion propulsion children s physics of energy.
Electric propulsion 127 historically, conceptually, and pragmatically, this. Geared toward advanced undergraduates and graduate students, this text systematically develops the concepts of. 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. Pdf physics of electric propulsion download full pdf book. Broader view of electric propulsion can be found in several dedicated books by jahn, jahn and choueiri, goebel and katz, and a special issue of ieee transactions of plasma science vol.
Pdf giannini, ducati and the dawn of mpd propulsion. 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. Analysis showed that a major portion of reboost of space station can be made using electric propulsion systems with 0. Geared toward advanced undergraduates and graduate students, this text systematically develops the. Physics of electric propulsion dover books on physics 9780486450407. Physics of electric propulsion has 2 available editions to buy at half price books marketplace. Mankins 5 presented some of the early models for launching of rockets using emp. Plasmas for spacecraft propulsion institute of physics. You can read this book with apple books on your iphone, ipad, physics of electric propulsion robert g. Evaluation of solar electric propulsion technologies for discoveryclass missions, journal of spacecraft and rockets 44, 2, 399411 2007. Discharge characteristics of an ablative pulsed plasma. Pdf physics of electric propulsion download full pdf. Robert george jahn april 1, 1930 november 15, 2017 was an.
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