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  • 1
    facet.materialart.
    Unknown
    Status of ERA Airframe Technology Demonstrators (2015)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: NASA has created the Environmentally Responsible Aviation (ERA) Project to explore and document the feasibility, benefits and technical risk of advanced vehicle configurations and enabling technologies that will reduce the impact of aviation on the environment. A critical aspect of this pursuit is the development of a lighter, more robust airframe that will enable the introduction of unconventional aircraft configurations that have higher lift-to-drag ratios, reduced drag, and lower community noise. The Airframe Technology subproject contains two elements. Under the Damage Arresting Composite Demonstration an advanced material system is being explored which will lead to lighter airframes that are more structural efficient than the composites used in aircraft today. Under the Adaptive Compliant Trailing Edge Flight Experiment a new concept of a flexible wing trailing edge is being evaluated which will reduce weight and improve aerodynamic performance. This presentation will describe the development these two airframe technologies.
    Keywords: Aircraft Design, Testing and Performance; Structural Mechanics
    Type: NF1676L-20359 , AIAA Science and Technology Forum and Exposition 2015; Jan 05, 2015 - Jan 09, 2015; Kissimmee, FL; United States
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 2
    facet.materialart.
    Unknown
    Liquid hydrogen foil-bearing turbopump (1993)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: The testing and performance evaluation of a liquid hydrogen turbopump with the rotor supported by foil bearings is discussed. The objectives of the program were to demonstrate the long-life feature of a foil-bearing turbopump and to evaluate its operational characteristics. The demonstration has successfully shown the reliability, long life, and robust nature of foil-bearing turbopumps by operating for long periods of time, with many start and stop cycles and a wide speed range. It has also proven that foil-bearing turbopumps can start without total chilldown of the foil bearing, offering operational simplicity.
    Keywords: MECHANICAL ENGINEERING
    Type: AIAA PAPER 93-2537 , AIAA, SAE, ASME, and ASEE, Joint Propulsion Conference and Exhibit; Jun 28, 1993 - Jun 30, 1993; Monterey, CA; United States|; 10 p.
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
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