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  • 1
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    In:  Bull. Seism. Soc. Am., Heidelberg, 1, vol. 90, no. 5, pp. 1251-1262, pp. 8010, (ISBN: 0534351875, 2nd edition)
    Publication Date: 2000
    Keywords: Three dimensional ; Strong motions ; USA ; Fault zone ; Site amplification ; BSSA
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  • 2
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    In:  Geophysics, Stockholm, Wissenschaftliche Buchgesellschaft, vol. 63, no. 2, pp. 479-489, pp. L15318, (ISSN: 1340-4202)
    Publication Date: 1998
    Keywords: Fault zone ; Earthquake hazard ; Seismics (controlled source seismology) ; Deep seismic sounding (espec. cont. crust)
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  • 3
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    In:  J. Geophys. Res., Würzburg, Pergamon, vol. 98, no. 44, pp. 8211-8223, pp. B05S01, (ISSN: 1340-4202)
    Publication Date: 1993
    Keywords: Crustal deformation (cf. Earthquake precursor: deformation or strain) ; Tectonics ; Fault zone ; Reflection seismics ; JGR
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  • 4
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    In:  Bulletin of the Seismological Society of America, Würzburg, Pergamon, vol. 92, no. 6, pp. 2504-2520, pp. B05S01, (ISSN: 1340-4202)
    Publication Date: 2002
    Keywords: Deep seismic sounding (espec. cont. crust) ; Reflection seismics ; Fault zone ; SAF ; USA ; Seismics (controlled source seismology) ; BSSA
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  • 5
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    In:  Other Sources
    Publication Date: 2019-01-25
    Description: NASA has a broad technology program in the field of space power. This paper describes that program, including the roles and responsibilities of the various NASA field centers and major contractors. In the power source area, the paper discusses the SP-100 Space Nuclear Power Project, which has been under way for about seven years and is making substantial progress toward development of components for a 100-kilowatt power system that can be scaled to other sizes. This system is a candidate power source for nuclear electric propulsion, as well as for a power plant for a lunar base. In the energy storage area, the paper describes NASA's battery- and fuel-cell development programs. NASA is actively working on NiCd, NiH2, and lithium batteries. A status update is also given on a U.S. Air Force-sponsored program to develop a large (150 ampere-hour) lithium-thionyl chloride battery for the Centaur upper-stage launch vehicle. Finally, the area of power management and distribution (PMAD) is addressed, including power system components such as solid-state switches and power integrated circuits. Automated load management and other computer-controlled functions offer considerable payoffs. The state of the art in space power is described, along with NASA's medium- and long-term goals in the area.
    Keywords: SPACECRAFT PROPULSION AND POWER
    Type: ; : Spaceflight mechan
    Format: text
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  • 6
    Publication Date: 2019-08-28
    Description: The paper discusses the primary objective of the NASA-OAST earth-to-orbit (ETO) propulsion technology program, namely, to completely overhaul the nation's liquid rocket design and analysis capabilities which were found to be severely limited when used for the design and development of the Space Shuttle Main Engine (SSME). Meeting this objective is to provide a much sounder, very comprehensive technology base that will enable the cost-effective low-risk development, acquisition, and operation of high-performance, expendable, or reusable ETO propulsion systems. This in turn will enable the future development of space transportation system launch vehicles with greatly reduced life-cycle costs. Work is carried out in three major areas: combustion devices, turbomachinery, and controls and health management.
    Keywords: SPACECRAFT PROPULSION AND POWER
    Type: AIAA PAPER 92-1478
    Format: text
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  • 7
    Publication Date: 2019-08-14
    Description: Earth-to-Orbit Propulsion Technology program is considered. The program's three major technical areas include combustion devices, turbomachinery, and controls and monitoring. Directed toward reducing acquisition and operations risk and cost the ETO program is conducted in two serially-performed categories: technology acquisition and technology validation. The former is constituted of studies, tool building, and bench-scale experimentation. The latter involves next-step verification of the acquisition results and findings, usually leading to a test-bed validated technology 'product'.
    Keywords: SPACECRAFT PROPULSION AND POWER
    Type: IAF PAPER 91-258
    Format: text
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  • 8
    Publication Date: 2019-08-27
    Description: The NASA Earth-to-Orbit (ETO) Propulsion Technology Program is dedicated to advancing rocket engine technologies for the development of fully reusable engine systems that will enable space transportation systems to achieve low cost, routine access to space. The program addresses technology advancements in the areas of engine life extension/prediction, performance enhancements, reduced ground operations costs, and in-flight fault tolerant engine operations. The primary objective is to acquire increased knowledge and understanding of rocket engine chemical and physical processes in order to evolve more realistic analytical simulations of engine internal environments, to derive more accurate predictions of steady and unsteady loads, and using improved structural analyses, to more accurately predict component life and performance, and finally to identify and verify more durable advanced design concepts. In addition, efforts were focused on engine diagnostic needs and advances that would allow integrated health monitoring systems to be developed for enhanced maintainability, automated servicing, inspection, and checkout, and ultimately, in-flight fault tolerant engine operations.
    Keywords: SPACECRAFT PROPULSION AND POWER
    Type: NASA, Marshall Space Flight Center, Advanced Earth-to-Orbit Propulsion Technology 1988, Volume 1; p 5-19
    Format: application/pdf
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  • 9
    Publication Date: 2019-08-28
    Description: NASA's Civil Space Technology Initiative encompasses among its major elements the Earth-to-Orbit Propulsion Program (ETOPP) for future launch vehicles, which is budgeted to the extent of $20-30 million/year for the development of essential technologies. ETOPP technologies include, in addition to advanced materials and processes and design/analysis computational tools, the advanced systems-synthesis technologies required for definition of highly reliable LH2 and hydrocarbon fueled rocket engines to be operated at significantly reduced levels of risk and cost relative to the SSME. Attention is given to the technology-transfer services of ETOPP.
    Keywords: SPACECRAFT PROPULSION AND POWER
    Type: SAE PAPER 901044
    Format: text
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