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  • 1
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    Heavy Oil In Saskatchewan (1984)
    Society of Petroleum Engineers
    Details
    Publication Date: 1984-01-01
    Print ISSN: 0021-9487
    Electronic ISSN: 2156-4663
    Topics: Geosciences
    Published by Society of Petroleum Engineers
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    PAPER CURRENT
  • 2
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    Results of a First Generation Propellant Energy Source Module Testing: Non-Nuclear Testing of Fission System (1999)
    In:  CASI
    Details
    Publication Date: 2013-08-29
    Description: The use of resistance heaters to simulate heat from fission allows extensive development of fission systems to be performed in non-nuclear test facilities, saving time and money. Resistance heated tests on the Module Unfueled Thermal- hydraulic Test (MUTT) article has been performed at the Marshall Space Flight Center. This paper discusses the results of these experiments to date, and describes the additional testing that will be performed. Recommendations related to the design of testable space fission power and propulsion systems are made.
    Keywords: Spacecraft Propulsion and Power
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    Development Progress in Phase 1 Fission Propulsion Systems (2000)
    In:  Other Sources
    Details
    Publication Date: 2019-07-17
    Description: Phase 1 fission propulsion systems are those fission propulsion systems that are highly testable and require no development of nuclear fuels or materials. The systems can be developed without new or significantly modified facilities, have adequate performance for numerous missions of interest, and demonstrate technologies and programmatics that are traceable to Phase 2 and Phase 3 systems. Phase 1 fission propulsion systems focus on safety, cost and schedule. Phase 1 flight units can be tested at full thrust using resistance heaters to simulate heat from fission. The development and use of Phase 1 systems will help enable Phase 2 or Phase 3 fission propulsion systems capable of giving rapid, affordable access to any point in the solar system. A Phase 1 fission propulsion system under development at the Marshall Space Flight Center (MSFC) in collaboration with individuals from Department of Energy Laboratories and industry is the Safe Affordable Fission Engine (SAFE). The propellant energy source of a 30 kW SAFE unit (SAFE-30) is being fabricated, and will begin testing at MSFC in FY00. The conceptual design of a 300 kW SAFE unit (SAFE-300)is nearing completion. Experiments have been performed on both SAFE-30 and SAFE-300 components. Module tests have confirmed the performance potential of the SAFE series of propulsion systems. This paper will report on the development status of the Phase 1 SAFE fission propulsion system.
    Keywords: Spacecraft Propulsion and Power
    Type: Advanced Space Propulsion Research; May 31, 2000 - Jun 02, 2000; Pasadena, CA; United States
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    Reactivity Studies of Inconel 625 with Sodium, and Lunar Regolith Stimulant (2008)
    In:  Other Sources
    Details
    Publication Date: 2019-07-19
    Description: In the event of the need for nuclear power in exploration, high flux heat pipes will be needed for heat transfer from space nuclear reactors to various energy conversion devices, and to safely dissipate excess heat. Successful habitation will necessitate continuous operation of alkali metal filled heat pipes for 10 or-more years in a hostile environment with little maintenance. They must be chemical and creep resistant in the high vacuum of space (lunar), and they must operate reliably in low gravity conditions with intermittent high radiation fluxes. One candidate material for the heat pipe shell, namely Inconel 625, has been tested to determine its compatibility with liquid sodium. Any reactivity could manifest itself as a problem over the long time periods anticipated. In addition, possible reactions with the lunar regolith will take place, as will evaporation of selected elements at the external surfaces of the heat pipes, and so there is a need for extensive long-term testing under simulated lunar conditions.
    Keywords: Energy Production and Conversion
    Type: Space Technology and Applications International Forum, STAIF-2008; Feb 10, 2008 - Feb 14, 2008; Albuquerque, NM; United States
    Format: text
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    NASA TECHNICAL REPORTS
  • 5
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    Phase 1 Space Fission Propulsion System Testing and Development Progress (2001)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: Successful development of space fission systems requires an extensive program of affordable and realistic testing. In addition to tests related to design/development of the fission system, realistic testing of the actual flight unit must also be performed. If the system is designed to operate within established radiation damage and fuel burn up limits while simultaneously being designed to allow close simulation of heat from fission using resistance heaters, high confidence in fission system performance and lifetime can be attained through a series of non-nuclear tests. The Safe Affordable Fission Engine (SAFE) test series, whose ultimate goal is the demonstration of a 300 kW flight configuration system, has demonstrated that realistic testing can be performed using non-nuclear methods. This test series, carried out in collaboration with other NASA centers, other government agencies, industry, and universities, successfully completed a testing program with a 30 kWt core, Stirling engine, and ion engine configuration. Additionally, a 100 kWt core is in fabrication and appropriate test facilities are being reconfigured. This paper describes the current SAFE non-nuclear tests, which includes test article descriptions, test results and conclusions, and future test plans.
    Keywords: Spacecraft Propulsion and Power
    Type: Space Technologies Applications International Forum Conference; Feb 03, 2002 - Feb 07, 2002; Albuquerque, NM; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 6
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    Development and Results of a First Generation Least Expensive Approach to Fission: Module Tests and Results (2000)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: The use of resistance heaters to simulate heat from fission allows extensive development of fission systems to be performed in non-nuclear test facilities, saving time and money. Resistance heated tests on the Module Unfueled Thermal-hydraulic Test (MUTT) article has been performed at the Marshall Space Flight Center. This paper discusses the results of these experiments and identifies future tests to be performed.
    Keywords: Nuclear Physics
    Type: Proceedings of ICONE 8: 8th International Conference on Nuclear Engineering; Apr 02, 2000 - Apr 06, 2000; Baltimore, MD; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 7
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    Space Fission Propulsion Testing and Development Progress (2001)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: Successful development of space fission systems will require an extensive program of affordable and realistic testing. In addition to tests related to design/development of the fission system, realistic testing of the actual flight unit must also be performed. Testing can be divided into two categories, non-nuclear tests and nuclear tests. Full power nuclear tests of space fission systems we expensive, time consuming, and of limited use, even in the best of programmatic environments. If the system is designed to operate within established radiation damage and fuel burn up limits while simultaneously being designed to allow close simulation of heat from fission using resistance heaters, high confidence in fission system performance and lifetime can be attained through a series of non-nuclear tests. Non-nuclear tests are affordable and timely, and the cause of component and system failures can be quickly and accurately identified. MSFC is leading a Safe Affordable Fission Engine (SAFE) test series whose ultimate goal is the demonstration of a 300 kW flight configuration system using non-nuclear testing. This test series is carried out in collaboration with other NASA centers, other government agencies, industry, and universities. If SAFE-related nuclear tests are desired they will have a high probability of success and can be performed at existing nuclear facilities. The paper describes the SAFE non-nuclear test series, which includes test article descriptions, test results and conclusions, and future test plans.
    Keywords: Spacecraft Propulsion and Power
    Type: Space Technologies Applications International Forum Conference; Feb 11, 2001 - Feb 14, 2001; Albuquerque, NM; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 8
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    First Generation Least Expensive Approach to Fission (FiGLEAF) Testing Results (2000)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: Successful development of space fission systems will require an extensive program of affordable and realistic testing. In addition to tests related to design/development of the fission system, realistic testing of the actual flight unit must also be performed. Testing can be divided into two categories, non-nuclear tests and nuclear tests. Full power nuclear tests of space fission systems are expensive, time consuming, and of limited use, even in the best of programmatic environments. If the system is designed to operate within established radiation damage and fuel burn up limits while simultaneously being designed to allow close simulation of heat from fission using resistance heaters, high confidence in fission system performance and lifetime can be attained through a series of non-nuclear tests. Non-nuclear tests are affordable and timely, and the cause of component and system failures can be quickly and accurately identified. MSFC is leading a Safe Affordable Fission Engine (SAFE) test series whose ultimate goal is the demonstration of a 300 kW flight configuration system using non-nuclear testing. This test series is carried out in collaboration with other NASA centers, other government agencies, industry, and universities. The paper describes the SAFE test series, which includes test article descriptions, test results and conclusions, and future test plans.
    Keywords: Nuclear Physics
    Type: Joint Propulsion; Jul 16, 2000 - Jul 19, 2000; Huntsville, AL; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 9
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    Development, Integration and Utilization of Surface Nuclear Energy Sources for Exploration Missions (2005)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: Throughout the past five decades numerous studies have identified nuclear energy as an enhancing or enabling technology for human surface exploration missions. Nuclear energy sources were used to provide electricity on Apollo missions 12, 14, 15, 16, and 17, and on the Mars Viking landers. Nuclear energy sources were used to provide heat on the Pathfinder; Spirit, and Discovery rovers. Scenarios have been proposed that utilize -1 kWe radioisotope systems for early missions, followed by fission systems in the 10 - 30 kWe range when energy requirements increase. A fission energy source unit size of approximately 150 kWt has been proposed based on previous lunar and Mars base architecture studies. Such a unit could support both early and advanced bases through a building block approach.
    Keywords: Lunar and Planetary Science and Exploration
    Type: Paper-1096 , Space Nuclear Conference 2005; Jun 05, 2005 - Jun 09, 2005; San Diego, CA; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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