Results 81 to 90 of about 350,639 (185)
Integrated propulsion for near-Earth space missions. Volume 1: Executive summary [PDF]
Tradeoffs between electric propulsion system mass ratio and transfer time from LEO to GEO were conducted parametrically for various thruster efficiency, specific impulse, and other propulsion parameters.
Dailey, C. L. +3 more
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Field resonance propulsion concept [PDF]
A propulsion concept was developed based on a proposed resonance between coherent, pulsed electromagnetic wave forms, and gravitational wave forms (or space-time metrics).
Holt, A. C.
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Electric Propulsion for Manned Mars Exploration [PDF]
Advanced high-power electric propulsion systems can significantly enhance piloted Mars missions. An increase in the science payload delivered to Mars and the reduction of the total Earth-departure mass are the major system-level benefits of electric ...
Palaszewski, Bryan
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Derrotero, 2018 This paper describes the considerations taken into account in order to design and build an electronic control system to be used on an Unmanned Surface Vehicle (USV), in an effective, versatile and economic way, using Commercial Off-The-Shelf elements ...
Juan Pablo Gutiérrez Bucheli +1 more
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Space transportation systems, launch systems, and propulsion for the Space Exploration Initiative: Results from Project Outreach [PDF]
A number of transportation and propulsion options for Mars exploration missions are analyzed. As part of Project Outreach, RAND received and evaluated 350 submissions in the launch vehicle, space transportation, and propulsion areas.
Augenstein, B. +4 more
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Concurrent optimization of airframe and engine design parameters [PDF]
An integrated system for the multidisciplinary analysis and optimization of airframe and propulsion design parameters is being developed. This system is known as IPAS, the Integrated Propulsion/Airframe Analysis System. The traditional method of analysis
Lavelle, Thomas M. +2 more
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Elements of cost comparison for planetary missions with advanced propulsion [PDF]
Cost and performance comparisons are made between chemical propulsion and nuclear electric propulsion for planetary missions at Jupiter and beyond. Nuclear rocket comparisons are made for performance only.
Stearns, J. W.
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Investigation of space rendezvous propulsion system requirements. Volume I - Summary Final report, 20 Nov. 1961 - 19 Dec. 1962 [PDF]
Space rendezvous propulsion system requirements - phase and mission analyses, and propulsion system design ...
Lysdale, C. A.
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Propulsion Working Group report [PDF]
Existing technology limits and performances, high payoff technologies, propulsion technologies, electric propulsion systems, and advanced bipropellant systems are ...
Kelley, James H. +2 more
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Propulsion technology needs for advanced space transportation systems [PDF]
Plans are formulated for chemical propulsion technology programs to meet the needs of advanced space transportation systems from 1980 to the year 2000.
Gregory, J. W.
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