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  • 1
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    Antimatter Requirements and Energy Costs for Near-Term Propulsion Applications (1999)
    In:  CASI
    Details
    Publication Date: 2013-08-29
    Description: The superior energy density of antimatter annihilation has often been pointed to as the ultimate source of energy for propulsion. However, the limited capacity and very low efficiency of present-day antiproton production methods suggest that antimatter may be too costly to consider for near-term propulsion applications. We address this issue by assessing the antimatter requirements for six different types of propulsion concepts, including two in which antiprotons are used to drive energy release from combined fission/fusion. These requirements are compared against the capacity of both the current antimatter production infrastructure and the improved capabilities that could exist within the early part of next century. Results show that although it may be impractical to consider systems that rely on antimatter as the sole source of propulsive energy, the requirements for propulsion based on antimatter-assisted fission/fusion do fall within projected near-term production capabilities. In fact, a new facility designed solely for antiproton production but based on existing technology could feasibly support interstellar precursor missions and omniplanetary spaceflight with antimatter costs ranging up to $6.4 million per mission.
    Keywords: Spacecraft Propulsion and Power
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
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    NASA Glenn Experience in High Power Electric Propulsion (2015)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: A high level overview on NASA Glenn's High Power Electric Propulsion.
    Keywords: Spacecraft Propulsion and Power
    Type: GRC-E-DAA-TN28190 , UGART VI Meeting; Nov 17, 2015 - Nov 19, 2015; Bremen; Germany
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    High-Energy Space Propulsion Based on Magnetized Target Fusion (1999)
    In:  Other Sources
    Details
    Publication Date: 2019-07-17
    Description: Magnetized target fusion is an approach in which a magnetized target plasma is compressed inertially by an imploding material wall. A high energy plasma liner may be used to produce the required implosion. The plasma liner is formed by the merging of a number of high momentum plasma jets converging towards the center of a sphere where two compact toroids have been introduced. Preliminary 3-D hydrodynamics modeling results using the SPHINX code of Los Alamos National Laboratory have been very encouraging and confirm earlier theoretical expectations. The concept appears ready for experimental exploration and plans for doing so are being pursued. In this talk, we explore conceptually how this innovative fusion approach could be packaged for space propulsion for interplanetary travel. We discuss the generally generic components of a baseline propulsion concept including the fusion engine, high velocity plasma accelerators, generators of compact toroids using conical theta pinches, magnetic nozzle, neutron absorption blanket, tritium reprocessing system, shock absorber, magnetohydrodynamic generator, capacitor pulsed power system, thermal management system, and micrometeorite shields.
    Keywords: Spacecraft Propulsion and Power
    Type: Jun 20, 1999 - Jun 23, 1999; Los Angeles, CA; United States
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    Propulsion Research and Technology at NASA MSFC (1998)
    In:  Other Sources
    Details
    Publication Date: 2019-07-17
    Description: As NASA's designated Center of Excellence in Space Propulsion, Marshall Space Flight Center (MSFC) recently established the Propulsion Research and Technology Division (PRTD), an organization responsible for the theoretical and experimental study of advanced propulsion concepts and technologies. Although the Scope of the division is broad, the mission is quite focused - to demonstrate the critical propulsion functions and technologies underpinning the transportation systems and spacecraft needed to achieve NASA's Grand Vision for exploration, commercial development, and ultimately human settlement of space. The division is intended to serve as a bridge that takes experimental stage of proof-of-concept. The aim is to address the key issues associated with promising high-payoff technologies, some of which were conceived decades ago, to where they can be seriously considered for advanced development. This paper describes the division's research strategy and summarizes its current activities.
    Keywords: Spacecraft Propulsion and Power
    Type: Joint Propulsion; Jul 12, 1998 - Jul 15, 1998; Cleveland, OH; United States
    Format: text
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    NASA TECHNICAL REPORTS
  • 5
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    Electric Propulsion Research and Development at NASA (2018)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: Electric propulsion (EP) is an important technology for NASA. It has played a major role on three missions, that is Deep Space 1, Dawn and Space Technology 7, and it is planned for use on many more. The ion propulsion system for the ongoing Dawn mission has achieved several notable accomplishments, including providing a total velocity change (delta-V) of over 11 km/s to the spacecraft. As a result of these successes, solar electric propulsion (SEP) is now broadly recognized as an essential technology for both robotic and human exploration. NASA is currently conducting many projects focused on research and development of EP for a variety of applications. All three of NASA's mission directorates that deal directly with space exploration are actively engaged in supporting work in this area. This paper describes these projects in more detail, including the specific engineering activities being conducted at NASA's main centers for EP technology development, namely Glenn Research Center (GRC) and the Jet Propulsion Laboratory (JPL).
    Keywords: Spacecraft Propulsion and Power
    Type: GRC-E-DAA-TN56302 , Space Propulsion 2018; May 14, 2018 - May 18, 2018; Seville; Spain
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 6
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    Electric Propulsion Research and Development at NASA (2018)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: Electric propulsion (EP) is an important technology for NASA. It has played a major role on three missions, that is Deep Space 1, Dawn and Space Technology 7, and it is planned for use on many more. The ion propulsion system for the ongoing Dawn mission has achieved several notable accomplishments, including providing a total velocity change (delta-V) of over 11 km/s to the spacecraft. As a result of these successes, solar electric propulsion (SEP) is now broadly recognized as an essential technology for both robotic and human exploration. NASA is currently conducting many projects focused on research and development of EP for a variety of applications. All three of NASA's mission directorates that deal directly with space exploration are actively engaged in supporting work in this area. This paper describes these projects in more detail, including the specific engineering activities being conducted at NASA's main centers for EP technology development, namely Glenn Research Center (GRC) and the Jet Propulsion Laboratory (JPL).
    Keywords: Spacecraft Propulsion and Power
    Type: SP-2018-00389 , GRC-E-DAA-TN56031 , Space Propulsion 2018; May 14, 2018 - May 18, 2018; Seville; Spain
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 7
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    Current Status of NASA's NEXT-C Ion Propulsion System Development Project (2017)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: NASA's Evolutionary Xenon Thruster (NEXT) is a 7-kW class gridded ion thruster-based propulsion system that was initially developed from 2002 to 2012 under NASAs In-Space Propulsion Technology Program to meet future science mission requirements. In 2015, a contract was awarded to Aerojet Rocketdyne, with subcontractor ZIN Technologies, to design, build and test two NEXT flight thrusters and two power processing units that would be available for use on future NASA science missions. Because an additional goal of this contract is to take steps towards offering NEXT as a commercialized system, it is called the NEXT-Commercial project, or NEXT-C. This paper reviews the capabilities of the NEXT-C system, status of the NEXT-C project, and the forward plan to build, test, and deliver flight hardware in support of future NASA and commercial applications. It also briefly addresses some of the potential applications that could utilize the hardware developed and built by the project.
    Keywords: Spacecraft Propulsion and Power
    Type: IAC-17.C4.4.3 , GRC-E-DAA-TN46431 , International Astronautical Congress; Sep 25, 2017 - Sep 29, 2017; Adelaide; Australia
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 8
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    Electric Propulsion Research and Development at NASA (2018)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: No abstract available
    Keywords: Spacecraft Propulsion and Power
    Type: GRC-E-DAA-TN58676 , AIAA/SAE/ASEE Joint Propulsion Conference; Jul 09, 2018 - Jul 11, 2018; Cincinnati, OH; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 9
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    Electric Propulsion Research and Development at NASA (2018)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: Electric propulsion (EP) is an important technology for NASA. It has played a major role on three missions, namely Deep Space 1, Dawn and Space Technology 7, and it is planned for use on many more. The ion propulsion system for the ongoing Dawn mission has achieved several notable accomplishments, including providing a total velocity change (delta-V) of over 11 km/s to the spacecraft. As a result of these successes, solar electric propulsion (SEP) is now broadly recognized as an essential technology for both robotic and human exploration. NASA is currently conducting many projects focused on research and development of EP for a variety of applications. All three of NASA's mission directorates that deal directly with space exploration are actively engaged in supporting work in this area. This paper describes these projects in more detail, including the specific engineering activities being conducted at NASA's main centers for EP technology development, namely Glenn Research Center (GRC) and the Jet Propulsion Laboratory (JPL).
    Keywords: Spacecraft Propulsion and Power
    Type: GRC-E-DAA-TN57336 , International Astronautical Congress; Oct 01, 2018 - Oct 05, 2018; Bremen; Germany
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 10
    facet.materialart.
    Unknown
    Electric Propulsion Research and Development at NASA (2018)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: Electric propulsion (EP) is an important technology for NASA. It has played a major role on three missions, namely Deep Space 1, Dawn and Space Technology 7, and it is planned for use on many more. The ion propulsion system for the ongoing Dawn mission has achieved several notable accomplishments, including providing a total velocity change (delta-V) of over 11 km/s to the spacecraft. As a result of these successes, solar electric propulsion (SEP) is now broadly recognized as an essential technology for both robotic and human exploration. NASA is currently conducting many projects focused on research and development of EP for a variety of applications. All three of NASA's mission directorates that deal directly with space exploration are actively engaged in supporting work in this area. This paper describes these projects in more detail, including the specific engineering activities being conducted at NASA's main centers for EP technology development, namely Glenn Research Center (GRC) and the Jet Propulsion Laboratory (JPL).
    Keywords: Spacecraft Propulsion and Power
    Type: GRC-E-DAA-TN57334 , International Astronautical Congress; Oct 01, 2018 - Oct 05, 2018; Bremen; Germany
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
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