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Electrical Engineering, 1960
General characteristics of electric propulsion systems for space vehicles, the energy sources and conversion efficiencies available, projected powerplant weights, and some of the various schemes for generating the ion and plasma jets. Also included are results of experimental units and their feasible range of application.
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General characteristics of electric propulsion systems for space vehicles, the energy sources and conversion efficiencies available, projected powerplant weights, and some of the various schemes for generating the ion and plasma jets. Also included are results of experimental units and their feasible range of application.
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Light propulsion for space flight
AIP Conference Proceedings, 1999Conception of using the fission energy for photon rocket engines is proposed. Stationary and pulsed regimes of operating for such engines are discussed. Some analytical estimations have been made to illustrate the possibility of the flight to the planet Pluto using the photon engine of small photon thrust.
Victor Ya. Poupko +4 more
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Drag and propulsion of large satellites in the ionosphere: An Alfvén propulsion engine in space
Journal of Geophysical Research, 1965There is a motionally induced charge separation in a conductor moving across magnetic field lines. This charge may be conducted away, resulting in a dc current flow through the conductor if it moves through a plasma. The generation of Alfven waves is a mechanism particularly effective for circulating the charge for very large conductors moving in or ...
S. D. Drell, H. M. Foley, M. A. Ruderman
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The Journal of the Royal Aeronautical Society, 1966
For centuries, scientists and engineers dreamed of going to the moon or the planets, but the more they learned about the problems involved, the more improbable space flight appeared.While there were many difficult questions, the principal problem overshadowing all others was how to propel the vehicle free of the earth's gravitation.When serious ...
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For centuries, scientists and engineers dreamed of going to the moon or the planets, but the more they learned about the problems involved, the more improbable space flight appeared.While there were many difficult questions, the principal problem overshadowing all others was how to propel the vehicle free of the earth's gravitation.When serious ...
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In-Space Propulsion Electric Propulsion Technologies Mission Benefits
2008 IEEE Aerospace Conference, 2008The primary source of electric propulsion development within NASA is the In-Space Propulsion Technology (ISPT) Project at the NASA Glenn Research Center under the management of the Science Mission Directorate. The electric propulsion (EP) technology area's objective is to develop near and mid-term EP technology that enhances or enables mission capture ...
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2000
Since the dawn of the Space Age, hundreds of humans have entered this strange new realm in modern-day equivalents of the Yankee Clipper. Twenty-four (three of them twice) have orbited our Moon or landed upon it and viewed the Earth as a precious blue-green orb suspended in the inky blackness of the void.
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Since the dawn of the Space Age, hundreds of humans have entered this strange new realm in modern-day equivalents of the Yankee Clipper. Twenty-four (three of them twice) have orbited our Moon or landed upon it and viewed the Earth as a precious blue-green orb suspended in the inky blackness of the void.
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Electric space propulsion systems
Space Science Reviews, 1967Active development of electric thrustors began 10 years ago. Today, several kinds of thrustors have achieved efficiencies above 90 % and lifetimes of several thousand hours. The following article derives the basic theory of electric thrust production at constant exhaust velocity, and at variable exhaust velocity programmed for optimum vehicle ...
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Advanced space propulsion concepts
Acta Astronautica, 1987Abstract Demands are being made for higher performance, more durable, more flexible and lower cost propulsion systems to satisfy spacecraft launch and orbit transfer requirements. The Air Force Rocket Propulsion Laboratory is developing space propulsion having various attributes to meet the transport challenges imposed by modern spacecraft ...
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Space science and electrical propulsion
Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences, 1969Abstract The use of electrical propulsion for space manoeuvres is discussed, and it is shown that for any given manoeuvre it is possible to define the spacecraft parameters which maximize the mass in the final orbit. Examples of various orbital transfers are given, and it is suggested that the flexibility conferred by electrical ...
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Review of micro propulsion technology for space gravitational waves detection
Acta Astronautica, 2022Hui Liu, Ming Zeng, Ming Zeng
exaly