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  • 1
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    Prediction of off-design performance of multistage compressors (1965)
    In:  CASI
    Details
    Publication Date: 2006-10-26
    Description: Compressor off-design performance prediction techniques
    Keywords: AERODYNAMICS
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Blade-element flow in annular cascades (1965)
    In:  CASI
    Details
    Publication Date: 2006-10-26
    Description: Compressor data on blade-element basis for comparison with two-dimensional cascade flow data
    Keywords: AERODYNAMICS
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Large wind-turbine projects in the United States wind energy program (1980)
    In:  Other Sources
    Details
    Publication Date: 2011-08-18
    Description: The technological development of large, horizontal-axis wind turbines (100 kW-2500 kW) is surveyed with attention to prototype projects managed by NASA. Technical feasibility has been demonstrated in utility service for systems with a rated power of up to 200 kW and a rotor diameter of 125 ft (Mod-OA). Current designs of large wind turbines such as the 2500 kW Mod-2 are projected to be cost competitive for utility applications when produced in quantity, with capital costs of 600 to 700 dollars per kW (in 1977 dollars).
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: Journal of Industrial Aerodynamics; 5; May 1980
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    An historical perspective of the NERVA nuclear rocket engine technology program (1991)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Nuclear rocket research and development was initiated in the United States in 1955 and is still being pursued to a limited extent. The major technology emphasis occurred in the decade of the 1960s and was primarily associated with the Rover/NERVA Program where the technology for a nuclear rocket engine system for space application was developed and demonstrated. The NERVA (Nuclear Engine for Rocket Vehicle Application) technology developed twenty years ago provides a comprehensive and viable propulsion technology base that can be applied and will prove to be valuable for application to the NASA Space Exploration Initiative (SEI). This paper, which is historical in scope, provides an overview of the conduct of the NERVA Engine Program, its organization and management, development philosophy, the engine configuration, and significant accomplishments.
    Keywords: SPACECRAFT PROPULSION AND POWER
    Type: AIAA PAPER 91-3451
    Format: text
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    NASA TECHNICAL REPORTS
  • 5
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    Utility operational experience on the NASA/DOE MOD-0A 200-kW wind turbine (1979)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: The Mod-0A 200 wind turbine was designed and fabricated as part of the Federal Wind Energy Program. Early wind turbine operation and performance data were obtained while gaining initial experience in the operation of large, horizontal axis wind turbines in typical utility environments. The Mod-0A wind turbine was turned over to the Town of Clayton Light and Water Plant, Clayton, NM, for utility operation and on December 31, 1978, the machine had completed ten months of utility operation. The machine is described and the recent operational experience at Clayton, NMis documented.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: NASA-TM-79084 , E-9907 , DOE/NASA/1004-79/1 , Energy Technol. Conf.; Feb 26, 1979 - Feb 28, 1979; Washington, DC; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 6
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    CTS United States experiments - A progress report (1976)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: The Communications Technology Satellite (CTS) is a high-power broadcast satellite launched by NASA on January 17, 1976. CTS is the first satellite to operate at a frequency of 12 gigahertz and incorporates technology making possible new satellite telecommunications services. CTS is a cooperative program of the United States and Canada. This paper presents the results of the United States experimental activity to date. Wide segments of the population are involved in the Experiments Program, including the scientific community, other government agencies, industry, and the education and health entities. The experiments are associated with both technological objectives and the demonstration of new community and social services via satellite.
    Keywords: COMMUNICATIONS AND RADAR
    Type: IAF PAPER 76-228 , International Astronautical Congress; Oct 10, 1976 - Oct 16, 1976; Anaheim, CA
    Format: text
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    NASA TECHNICAL REPORTS
  • 7
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    Trends in NASA communication satellites. (1972)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Discussion of the potential applications of satellite communications technology in meeting the national needs in education, health care, culture, and data transfer techniques. Experiments with the NASA ATS 1, 3 and 5 spacecraft, which are conducted in an attempt to satisfy such needs, are reviewed. The future needs are also considered, covering the requirements of multiple region coverage, communications between regions, large numbers of ground terminals, multichannel capability and high quality TV pictures. The ATS F and CTS spacecraft are expected to be available in the near future to expand experiments in this field.
    Keywords: COMMUNICATIONS
    Type: Annual Institute on World Affairs; Aug 07, 1972 - Aug 25, 1972; San Diego, CA
    Format: text
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    NASA TECHNICAL REPORTS
  • 8
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    Large horizontal axis wind turbine development (1979)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: An overview of the NASA activities concerning ongoing wind systems oriented toward utility application is presented. First-generation-technology large wind turbines were designed and are in operation at selected utility sites. In order to make a significant energy impact, costs of 2 to 3 cents per kilowatt hour must be achieved. The federal program continues to fund the development by industry of wind turbines which can meet the cost goals of 2 to 3 cents per kilowatt hour. Lower costs are achieved through the incorporation of new technology and innovative system design to reduce weight and increase energy capture.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: NASA-TM-79174 , DOE/NASA/1059-79/2 , E-039 , Wild Energy Innovative Systems Conf.; May 23, 1979 - May 25, 1979; Colorado Springs, CO; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 9
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    Utility operational experience on the NASA/DOE Mod-OA 200 kW Wind Turbine (1979)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: The Mod-OA 200 kW Wind Turbine was designed and fabricated by the Lewis Research Center of the NASA under the direction of the U.S. Department of Energy. The project is a part of the Federal Wind Energy Program and is designed to obtain early wind turbine operation and performance data while gaining initial experience in the operation of large, horizontal axis wind turbines in typical utility environments. On March 6, 1978, the Mod-OA wind turbine was turned over to the Town of Clayton Light and Water Plant, Clayton, NM, for utility operation and on December 31, 1978 the machine had completed ten months of utility operation. This paper describes the machine and documents the recent operational experience at Clayton, NM.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: Workshop on Economic and Operational Requirements and Status of Large Scale Wind Systems; Mar 28, 1979 - Mar 30, 1979; Monterey, CA
    Format: text
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    NASA TECHNICAL REPORTS
  • 10
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    Large horizontal axis wind turbine development (1979)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: The paper presents an overview of the NASA activities in large horizontal axis wind turbine development. First generation technology large wind turbines (Mod-0A, Mod-1) have been designed and are in operation at selected utility sites. Second generation machines (Mod-2) are scheduled to begin operations on a utility site in 1980. These machines are estimated to generate electricity at less than 4 cents/kWh when manufactured in modest production rates. Meanwhile, plans are being made to continue developing wind turbines which can meet the cost goals of 2 to 3 cents/kWh.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: Workshop on Economic and Operational Requirements and Status of Large Scale Wind Systems; Mar 28, 1979 - Mar 30, 1979; Monterey, CA
    Format: text
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    NASA TECHNICAL REPORTS
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