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  • 1
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    In:  CASI
    Publication Date: 2019-06-27
    Description: The steps in the nozzle design process are examined. The nozzle designer's role in defining design requirements and constraints is included along with discussions of each of the three basic phases of the nozzle design process itself: (1) aerodynamic design, in which the gas-contacting surfaces are configured to produce the required performance within the envelope limits; (2) thermal design, in which termal liners and thermal insulators are selected and configured to maintain the surfaces as closely as practical against effects of erosion and to limit the structure temperature to acceptable levels; and (3) structural design, in which materials are selected and configured to support the thermal components and to sustain the predicted loads. Analytical techniques that are used to establish thermal and structural design integrity and to predict nozzle performance are discussed along with methods for nozzle quality assurance. Emphasis is placed on nozzle design and materials for modern high-temperature aluminized propellants. Recurring nozzle design problems of graphite cracking and ejection, differential erosion at material interfaces, lack of sufficient proven nondestructive testing (NDT) techniques, the uncertainty of adhesive bonding, and inadequate definition of material properties, particularly at high temperatures are considered.
    Keywords: SPACECRAFT PROPULSION AND POWER
    Type: NASA-SP-8115
    Format: application/pdf
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  • 2
    Publication Date: 2019-06-27
    Description: The axial pump is considered in terms of the total turbopump assembly. Stage hydrodynamic design, pump rotor assembly, pump materials for liquid hydrogen applications, and safety factors as utilized in state of the art pumps are among the topics discussed. Axial pump applications are included.
    Keywords: SPACECRAFT PROPULSION AND POWER
    Type: NASA-SP-8125
    Format: application/pdf
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  • 3
    Publication Date: 2019-06-27
    Description: Internal insulation in a solid rocket motor is defined as a layer of heat barrier material placed between the internal surface of the case propellant. The primary purpose is to prevent the case from reaching temperatures that endanger its structural integrity. Secondary functions of the insulation are listed and guidelines for avoiding critical problems in the development of internal insulation for rocket motors are presented.
    Keywords: SPACECRAFT PROPULSION AND POWER
    Type: NASA-SP-8093
    Format: application/pdf
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  • 4
    Publication Date: 2019-06-27
    Description: Captive-fired testing of solid rocket motors for design criteria
    Keywords: PROPULSION SYSTEMS
    Type: NASA-SP-8041
    Format: application/pdf
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  • 5
    Publication Date: 2019-06-27
    Description: Design criteria for liquid rocket engine turbopump inducers
    Keywords: PROPULSION SYSTEMS
    Type: NASA-SP-8052
    Format: application/pdf
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  • 6
    Publication Date: 2019-06-27
    Description: Bearing requirements for liquid rocket engine turbopumps
    Keywords: MACHINE ELEMENTS AND PROCESSES
    Type: NASA-SP-8048
    Format: application/pdf
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  • 7
    Publication Date: 2019-07-20
    Description: A monograph is organized and presents, for effective use in design, the significant experience and knowledge accumulated in development and operational programs to date. It reviews and assesses current practices, and from them establishes firm guidance for achieving greater consistency in design, increased reliability in the end product, and greater efficiency in the design effort. The monograph is divided into two major sections: state of the art and design criteria.
    Keywords: MECHANICAL ENGINEERING
    Type: NASA-SP-8121
    Format: application/pdf
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  • 8
    Publication Date: 2019-08-28
    Description: The glossary presented is based entirely on terms used in the monographs on Chemical Propulsion. Significant terms relating to material properties and to material fabrication are presented. The terms are arranged in alphabetical order, with multiple word terms appearing in the normal sequence of usage; for example, ablative cooling appears as such, not as cooling, ablative, and lip seal appears as such, not as seal, lip. Conversion Factors for converting U.S. customary units to the International System of Units are presented in alphabetical order of the physical quantity (e.g., density, heat flux, specific impulse) involved.
    Keywords: SPACECRAFT PROPULSION AND POWER
    Type: NASA-SP-8126
    Format: application/pdf
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